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atoms are the smallest units of matter that still retain the fundamental chemical properties of an element . much of the study of chemistry , however , involves looking at what happens when atoms combine with other atoms to form compounds . a compound is a distinct group of atoms held together by chemical bonds . just ... | as we will now see , there are a variety of different ways to represent and draw molecules . note : we have just defined a molecule to be any distinct group of atoms bound together with covalent bonds . however , a few teachers and textbooks define a molecule more narrowly . | in this article you say that a molecule can only refer to covalent bonded compounds , while all other sources , including other videos on khan academy , suggest that a molecule is simply `` a group of atoms bonded together '' ? |
atoms are the smallest units of matter that still retain the fundamental chemical properties of an element . much of the study of chemistry , however , involves looking at what happens when atoms combine with other atoms to form compounds . a compound is a distinct group of atoms held together by chemical bonds . just ... | to better illustrate this , we first need to examine the structure and formation of ions . recall that neutral atoms have an equal number of protons and electrons . the result of this is that the total positive charge of the protons exactly cancels the total negative charge of the electrons , so that the atom itself ha... | we say that atoms are the smallest things that can chemically react , but what if protons and neutrons do react individually ; but just on a scale or level that we can not observe with our current technology ? |
atoms are the smallest units of matter that still retain the fundamental chemical properties of an element . much of the study of chemistry , however , involves looking at what happens when atoms combine with other atoms to form compounds . a compound is a distinct group of atoms held together by chemical bonds . just ... | just as the structure of the atom is held together by the electrostatic attraction between the positively charged nucleus and the negatively charged electrons surrounding it , the stability within chemical bonds is also due to electrostatic attractions . to illustrate further , consider the two major types of chemical ... | are there more than two types of bonds , or are ionic and compound bonds the only two types ? |
atoms are the smallest units of matter that still retain the fundamental chemical properties of an element . much of the study of chemistry , however , involves looking at what happens when atoms combine with other atoms to form compounds . a compound is a distinct group of atoms held together by chemical bonds . just ... | to better illustrate this , we first need to examine the structure and formation of ions . recall that neutral atoms have an equal number of protons and electrons . the result of this is that the total positive charge of the protons exactly cancels the total negative charge of the electrons , so that the atom itself ha... | is there a way to figure out the number of protons , neutrons , and electrons of anything on the periodic table , or d you have to know element by compound to understand this ? |
atoms are the smallest units of matter that still retain the fundamental chemical properties of an element . much of the study of chemistry , however , involves looking at what happens when atoms combine with other atoms to form compounds . a compound is a distinct group of atoms held together by chemical bonds . just ... | the above diagram , however , is just a model . in nature , sodium chloride does not exist as a single sodium cation bonded with a single chloride anion . as we mentioned earlier , sodium chloride is table salt—and if we were able to use a super-powered microscope that could examine table salt at the atomic level , we ... | how to cation and anion react with cathode and anode ? |
atoms are the smallest units of matter that still retain the fundamental chemical properties of an element . much of the study of chemistry , however , involves looking at what happens when atoms combine with other atoms to form compounds . a compound is a distinct group of atoms held together by chemical bonds . just ... | to illustrate further , consider the two major types of chemical bonds : covalent bonds and ionic bonds . in covalent bonds , two atoms share electrons , while in ionic bonds , electrons are fully transferred between two atoms so that ions are formed . let ’ s consider both types of bonds in detail . | how do atoms just 'lose ' or 'grab ' electrons ? |
atoms are the smallest units of matter that still retain the fundamental chemical properties of an element . much of the study of chemistry , however , involves looking at what happens when atoms combine with other atoms to form compounds . a compound is a distinct group of atoms held together by chemical bonds . just ... | a chemical formula uses symbols from the periodic table to indicate the types of elements present in a particular compound while using subscripts to represent the number of each type of element present . compounds can be covalent or ionic . in covalent compounds , atoms form covalent bonds that consist of electrons sha... | are their anions and cations only in ionic compounds and not in covalent compounds ? |
atoms are the smallest units of matter that still retain the fundamental chemical properties of an element . much of the study of chemistry , however , involves looking at what happens when atoms combine with other atoms to form compounds . a compound is a distinct group of atoms held together by chemical bonds . just ... | however , in the more detailed structural formula on the right , we have a dashed line to indicate that the rightmost hydrogen atom is sitting behind the plane of the screen , while the bold wedge indicates that the center hydrogen is sitting out in front of the plane of the screen . the two dots above nitrogen indicat... | what are the dots on the sides of the letters for ? |
atoms are the smallest units of matter that still retain the fundamental chemical properties of an element . much of the study of chemistry , however , involves looking at what happens when atoms combine with other atoms to form compounds . a compound is a distinct group of atoms held together by chemical bonds . just ... | this is because in nature nacl does not exist in individual units , but in crystal lattice structures that are composed of multiple na $ ^+ $ and cl $ ^- $ ions alternating in space . the chemical formula nacl specifies one formula unit of this compound . | carbon 12 or carbon 13 as learned in previous lesson ) is being used in the formula c2h4o2 ( represented above ) ? |
atoms are the smallest units of matter that still retain the fundamental chemical properties of an element . much of the study of chemistry , however , involves looking at what happens when atoms combine with other atoms to form compounds . a compound is a distinct group of atoms held together by chemical bonds . just ... | to better illustrate this , we first need to examine the structure and formation of ions . recall that neutral atoms have an equal number of protons and electrons . the result of this is that the total positive charge of the protons exactly cancels the total negative charge of the electrons , so that the atom itself ha... | do the electrons/protons/neutrons themselves look different for every element ? |
atoms are the smallest units of matter that still retain the fundamental chemical properties of an element . much of the study of chemistry , however , involves looking at what happens when atoms combine with other atoms to form compounds . a compound is a distinct group of atoms held together by chemical bonds . just ... | however , if an atom gains or loses electrons , the balance between protons and electrons is upset , and the atom becomes an ion—a species with a net charge . let ’ s first look at what happens when a neutral atom loses an electron : in the diagram above , we see a neutral atom of sodium , na , losing an electron . the... | for instance , does a carbon electron look structurally different when compared to an oxygen electron ? |
atoms are the smallest units of matter that still retain the fundamental chemical properties of an element . much of the study of chemistry , however , involves looking at what happens when atoms combine with other atoms to form compounds . a compound is a distinct group of atoms held together by chemical bonds . just ... | the strong electrostatic attraction between adjacent cations and anions is known as an ionic bond . the most common example of an ionic compound is sodium chloride nacl , better known as table salt . unlike covalent compounds , there is no such thing as a molecule of an ionic compound . | salt may be a good example but what about a mineral tourmaline ? |
atoms are the smallest units of matter that still retain the fundamental chemical properties of an element . much of the study of chemistry , however , involves looking at what happens when atoms combine with other atoms to form compounds . a compound is a distinct group of atoms held together by chemical bonds . just ... | in the rest of this article , we will stick to the broader definition of molecule because it is more common . therefore , we will be using the terms molecule and covalent compound interchangeably . representing molecules : chemical formulas chemical formulas , sometimes also called molecular formulas , are the simplest... | therefore , it can be covalent and ionic but why are chemical formulas also called molecular formulas when a molecule is a unit of covalently bonded elements ? |
atoms are the smallest units of matter that still retain the fundamental chemical properties of an element . much of the study of chemistry , however , involves looking at what happens when atoms combine with other atoms to form compounds . a compound is a distinct group of atoms held together by chemical bonds . just ... | conclusion all chemical bonding is due to electrostatic attraction . when atoms combine through chemical bonding , they form compounds—unique structures composed of two or more atoms . the basic composition of a compound can be indicated using a chemical formula . | does this mean that technically the smallest unit of nacl would be two atoms of each arranged in the lattice structure , or is the smallest possible structure bigger than that ? |
atoms are the smallest units of matter that still retain the fundamental chemical properties of an element . much of the study of chemistry , however , involves looking at what happens when atoms combine with other atoms to form compounds . a compound is a distinct group of atoms held together by chemical bonds . just ... | once these ions are formed , there is a strong electrostatic attraction between them , which leads to the formation of an ionic bond . we can see that one of the major distinguishing factors between ionic bonds and covalent bonds is that in ionic bonds , electrons are completely transferred , whereas in covalent bonds ... | since hydrogen can lose all its electrons , this means that hydrogen can engage in both covalent and ionic bonds right ? |
atoms are the smallest units of matter that still retain the fundamental chemical properties of an element . much of the study of chemistry , however , involves looking at what happens when atoms combine with other atoms to form compounds . a compound is a distinct group of atoms held together by chemical bonds . just ... | this is because in nature nacl does not exist in individual units , but in crystal lattice structures that are composed of multiple na $ ^+ $ and cl $ ^- $ ions alternating in space . the chemical formula nacl specifies one formula unit of this compound . | in the conclusion , why is the chemical formula of ammonia nh3 ? |
atoms are the smallest units of matter that still retain the fundamental chemical properties of an element . much of the study of chemistry , however , involves looking at what happens when atoms combine with other atoms to form compounds . a compound is a distinct group of atoms held together by chemical bonds . just ... | for example , a single molecule of nh $ \purplec { 3 } $ , ammonia , contains one nitrogen atom and three hydrogen atoms . by contrast , a single molecule of n $ \blued { 2 } $ h $ _\redd { 4 } $ , hydrazine , contains two nitrogen atoms and four hydrogen atoms . concept check : the chemical formula for acetic acid , a... | is n't the valency of nitrogen 5 ? |
atoms are the smallest units of matter that still retain the fundamental chemical properties of an element . much of the study of chemistry , however , involves looking at what happens when atoms combine with other atoms to form compounds . a compound is a distinct group of atoms held together by chemical bonds . just ... | the result of this is that the total positive charge of the protons exactly cancels the total negative charge of the electrons , so that the atom itself has an overall charge , or net charge , of zero . however , if an atom gains or loses electrons , the balance between protons and electrons is upset , and the atom bec... | how do you remove an electron from an atom to create an ion ? |
atoms are the smallest units of matter that still retain the fundamental chemical properties of an element . much of the study of chemistry , however , involves looking at what happens when atoms combine with other atoms to form compounds . a compound is a distinct group of atoms held together by chemical bonds . just ... | let ’ s consider both types of bonds in detail . covalent bonds and molecules a covalent bond is formed when two atoms share electrons . in a covalent bond , the stability of the bond comes from the shared electrostatic attraction between the two positively charged atomic nuclei and the shared , negatively charged elec... | why should we distinguish between covalent molecules and comounds ? |
atoms are the smallest units of matter that still retain the fundamental chemical properties of an element . much of the study of chemistry , however , involves looking at what happens when atoms combine with other atoms to form compounds . a compound is a distinct group of atoms held together by chemical bonds . just ... | however , if an atom gains or loses electrons , the balance between protons and electrons is upset , and the atom becomes an ion—a species with a net charge . let ’ s first look at what happens when a neutral atom loses an electron : in the diagram above , we see a neutral atom of sodium , na , losing an electron . the... | so if an atom 's electron changes its a electron its turn in to an ion , if it changes its neutrons it turn in to isotope , and if it loses a proton it changes element , right ? |
atoms are the smallest units of matter that still retain the fundamental chemical properties of an element . much of the study of chemistry , however , involves looking at what happens when atoms combine with other atoms to form compounds . a compound is a distinct group of atoms held together by chemical bonds . just ... | a chemical formula uses symbols from the periodic table to indicate the types of elements present in a particular compound while using subscripts to represent the number of each type of element present . compounds can be covalent or ionic . in covalent compounds , atoms form covalent bonds that consist of electrons sha... | what 's the difference between mixtures and compounds ? |
atoms are the smallest units of matter that still retain the fundamental chemical properties of an element . much of the study of chemistry , however , involves looking at what happens when atoms combine with other atoms to form compounds . a compound is a distinct group of atoms held together by chemical bonds . just ... | in reality , however , most chemical bonds lie somewhere in between these two cases . drawing ionic bonds we will now consider the different ways we can draw or depict ionic bonds . we will continue looking at the most commonly known ionic compound—sodium chloride , which is best known as table salt . | how can i classify things as molecular , ionic fixed charge , and ionic variable charge ? |
atoms are the smallest units of matter that still retain the fundamental chemical properties of an element . much of the study of chemistry , however , involves looking at what happens when atoms combine with other atoms to form compounds . a compound is a distinct group of atoms held together by chemical bonds . just ... | in the rest of this article , we will stick to the broader definition of molecule because it is more common . therefore , we will be using the terms molecule and covalent compound interchangeably . representing molecules : chemical formulas chemical formulas , sometimes also called molecular formulas , are the simplest... | can you be a molecule and a compound ? |
atoms are the smallest units of matter that still retain the fundamental chemical properties of an element . much of the study of chemistry , however , involves looking at what happens when atoms combine with other atoms to form compounds . a compound is a distinct group of atoms held together by chemical bonds . just ... | as we will now see , there are a variety of different ways to represent and draw molecules . note : we have just defined a molecule to be any distinct group of atoms bound together with covalent bonds . however , a few teachers and textbooks define a molecule more narrowly . according to this less common definition , a... | can there be only a half of a molecule ? |
atoms are the smallest units of matter that still retain the fundamental chemical properties of an element . much of the study of chemistry , however , involves looking at what happens when atoms combine with other atoms to form compounds . a compound is a distinct group of atoms held together by chemical bonds . just ... | let ’ s consider both types of bonds in detail . covalent bonds and molecules a covalent bond is formed when two atoms share electrons . in a covalent bond , the stability of the bond comes from the shared electrostatic attraction between the two positively charged atomic nuclei and the shared , negatively charged elec... | then what about diamond , which is a group of carbon atoms exist in crystal lattice structure , but bonded with covalent bonds ? |
atoms are the smallest units of matter that still retain the fundamental chemical properties of an element . much of the study of chemistry , however , involves looking at what happens when atoms combine with other atoms to form compounds . a compound is a distinct group of atoms held together by chemical bonds . just ... | a chemical formula uses symbols from the periodic table to indicate the types of elements present in a particular compound while using subscripts to represent the number of each type of element present . compounds can be covalent or ionic . in covalent compounds , atoms form covalent bonds that consist of electrons sha... | in addition to that , why ca n't ionic compounds exist as individuals ? |
atoms are the smallest units of matter that still retain the fundamental chemical properties of an element . much of the study of chemistry , however , involves looking at what happens when atoms combine with other atoms to form compounds . a compound is a distinct group of atoms held together by chemical bonds . just ... | in a covalent bond , the stability of the bond comes from the shared electrostatic attraction between the two positively charged atomic nuclei and the shared , negatively charged electrons between them . when atoms combine to share covalent bonds , the resulting collection of atoms is called a molecule . we can therefo... | how do we know that atoms are the smallest unit ? |
atoms are the smallest units of matter that still retain the fundamental chemical properties of an element . much of the study of chemistry , however , involves looking at what happens when atoms combine with other atoms to form compounds . a compound is a distinct group of atoms held together by chemical bonds . just ... | let ’ s first look at what happens when a neutral atom loses an electron : in the diagram above , we see a neutral atom of sodium , na , losing an electron . the result is that the sodium ion , na $ ^+ $ , has 11 protons , but only 10 electrons . thus , the sodium ion has a net charge of 1+ , and it has become a cation... | like is it possible that we somehow allowed the reaction of ammonium , sulphur and oxygen and we managed to obtain the sulphate ion ? |
atoms are the smallest units of matter that still retain the fundamental chemical properties of an element . much of the study of chemistry , however , involves looking at what happens when atoms combine with other atoms to form compounds . a compound is a distinct group of atoms held together by chemical bonds . just ... | the ions are then held in place by their very strong ionic bonds . the above structure is known as a crystal lattice , and sodium chloride—like most ionic compounds—is a crystalline solid . you will learn more about this in future lessons on the different types of solids . | do all ionic compounds form in a crystal lattice ? |
atoms are the smallest units of matter that still retain the fundamental chemical properties of an element . much of the study of chemistry , however , involves looking at what happens when atoms combine with other atoms to form compounds . a compound is a distinct group of atoms held together by chemical bonds . just ... | a chemical formula uses symbols from the periodic table to indicate the types of elements present in a particular compound while using subscripts to represent the number of each type of element present . compounds can be covalent or ionic . in covalent compounds , atoms form covalent bonds that consist of electrons sha... | is hydrogen an ionic or a covalent compound ? |
atoms are the smallest units of matter that still retain the fundamental chemical properties of an element . much of the study of chemistry , however , involves looking at what happens when atoms combine with other atoms to form compounds . a compound is a distinct group of atoms held together by chemical bonds . just ... | in the rest of this article , we will stick to the broader definition of molecule because it is more common . therefore , we will be using the terms molecule and covalent compound interchangeably . representing molecules : chemical formulas chemical formulas , sometimes also called molecular formulas , are the simplest... | is c2h4o2 a molecule or a compound and why so ? |
atoms are the smallest units of matter that still retain the fundamental chemical properties of an element . much of the study of chemistry , however , involves looking at what happens when atoms combine with other atoms to form compounds . a compound is a distinct group of atoms held together by chemical bonds . just ... | the ions are then held in place by their very strong ionic bonds . the above structure is known as a crystal lattice , and sodium chloride—like most ionic compounds—is a crystalline solid . you will learn more about this in future lessons on the different types of solids . | but what would happen if that crystal was dissolved in water ? |
atoms are the smallest units of matter that still retain the fundamental chemical properties of an element . much of the study of chemistry , however , involves looking at what happens when atoms combine with other atoms to form compounds . a compound is a distinct group of atoms held together by chemical bonds . just ... | ionic bonds in the last section , we looked separately at how sodium can lose an electron to form the cation na $ ^+ $ and at how chlorine can gain an electron to form the anion cl $ ^- $ . in reality , however , this process can occur all in one step when sodium gives its electron away to chlorine ! we can illustrate ... | why sodium gives one electron to chlorine ? |
atoms are the smallest units of matter that still retain the fundamental chemical properties of an element . much of the study of chemistry , however , involves looking at what happens when atoms combine with other atoms to form compounds . a compound is a distinct group of atoms held together by chemical bonds . just ... | ionic bonds in the last section , we looked separately at how sodium can lose an electron to form the cation na $ ^+ $ and at how chlorine can gain an electron to form the anion cl $ ^- $ . in reality , however , this process can occur all in one step when sodium gives its electron away to chlorine ! we can illustrate ... | and why ca n't chlorine give one electron to sodium ? |
atoms are the smallest units of matter that still retain the fundamental chemical properties of an element . much of the study of chemistry , however , involves looking at what happens when atoms combine with other atoms to form compounds . a compound is a distinct group of atoms held together by chemical bonds . just ... | the strong electrostatic attraction between adjacent cations and anions is known as an ionic bond . the most common example of an ionic compound is sodium chloride nacl , better known as table salt . unlike covalent compounds , there is no such thing as a molecule of an ionic compound . | if sodium mixes to water it starts burning , then why salt ( nacl ) does not burn when it mixes to water ? |
atoms are the smallest units of matter that still retain the fundamental chemical properties of an element . much of the study of chemistry , however , involves looking at what happens when atoms combine with other atoms to form compounds . a compound is a distinct group of atoms held together by chemical bonds . just ... | the structure of a covalent compound can be depicted through space-filling models as well as ball-and-stick models . in ionic compounds , electrons are completely transferred from one atom to another so that a cation—positively charged ion—and an anion—negatively charged ion—form . the strong electrostatic attraction b... | why protons are positively charged and why electrons are negatively charged ? |
atoms are the smallest units of matter that still retain the fundamental chemical properties of an element . much of the study of chemistry , however , involves looking at what happens when atoms combine with other atoms to form compounds . a compound is a distinct group of atoms held together by chemical bonds . just ... | just as the structure of the atom is held together by the electrostatic attraction between the positively charged nucleus and the negatively charged electrons surrounding it , the stability within chemical bonds is also due to electrostatic attractions . to illustrate further , consider the two major types of chemical ... | how does the anion work to break the bonds in the cation ? |
atoms are the smallest units of matter that still retain the fundamental chemical properties of an element . much of the study of chemistry , however , involves looking at what happens when atoms combine with other atoms to form compounds . a compound is a distinct group of atoms held together by chemical bonds . just ... | concept check : the chemical formula for acetic acid , a common acid found in vinegar , is c $ _2 $ h $ _4 $ o $ _2 $ . how many oxygen atoms are there in three molecules of acetic acid ? as your study of chemistry continues , you will find that sometimes chemists write molecular formulas in different ways . | aka how can you determine which atoms easily give or accept how many elektrons ? |
atoms are the smallest units of matter that still retain the fundamental chemical properties of an element . much of the study of chemistry , however , involves looking at what happens when atoms combine with other atoms to form compounds . a compound is a distinct group of atoms held together by chemical bonds . just ... | just as the structure of the atom is held together by the electrostatic attraction between the positively charged nucleus and the negatively charged electrons surrounding it , the stability within chemical bonds is also due to electrostatic attractions . to illustrate further , consider the two major types of chemical ... | can you tell from the formula of a substance whether the bonds are likely to be ionic or molecular in nature ? |
atoms are the smallest units of matter that still retain the fundamental chemical properties of an element . much of the study of chemistry , however , involves looking at what happens when atoms combine with other atoms to form compounds . a compound is a distinct group of atoms held together by chemical bonds . just ... | you will learn more about this in future lessons on the different types of solids . covalent vs. ionic compounds : molecules vs. formula units now that we ’ ve discussed the basics of both covalent and ionic bonding , we need to draw a few necessary distinctions . we know that a group of atoms joined by only covalent b... | is there a way to distinguish which molecules or formula units have covalent or ionic bonding ? |
atoms are the smallest units of matter that still retain the fundamental chemical properties of an element . much of the study of chemistry , however , involves looking at what happens when atoms combine with other atoms to form compounds . a compound is a distinct group of atoms held together by chemical bonds . just ... | unlike covalent compounds , there is no such thing as a molecule of an ionic compound . this is because in nature nacl does not exist in individual units , but in crystal lattice structures that are composed of multiple na $ ^+ $ and cl $ ^- $ ions alternating in space . the chemical formula nacl specifies one formula ... | why do some elements have multiple valencies ? |
atoms are the smallest units of matter that still retain the fundamental chemical properties of an element . much of the study of chemistry , however , involves looking at what happens when atoms combine with other atoms to form compounds . a compound is a distinct group of atoms held together by chemical bonds . just ... | to better illustrate this , we first need to examine the structure and formation of ions . recall that neutral atoms have an equal number of protons and electrons . the result of this is that the total positive charge of the protons exactly cancels the total negative charge of the electrons , so that the atom itself ha... | is n't the valency of an element the number of electrons that it requires to complete its octet ? |
atoms are the smallest units of matter that still retain the fundamental chemical properties of an element . much of the study of chemistry , however , involves looking at what happens when atoms combine with other atoms to form compounds . a compound is a distinct group of atoms held together by chemical bonds . just ... | unlike covalent compounds , there is no such thing as a molecule of an ionic compound . this is because in nature nacl does not exist in individual units , but in crystal lattice structures that are composed of multiple na $ ^+ $ and cl $ ^- $ ions alternating in space . the chemical formula nacl specifies one formula ... | why do some elements have multiple valencies ? |
atoms are the smallest units of matter that still retain the fundamental chemical properties of an element . much of the study of chemistry , however , involves looking at what happens when atoms combine with other atoms to form compounds . a compound is a distinct group of atoms held together by chemical bonds . just ... | to better illustrate this , we first need to examine the structure and formation of ions . recall that neutral atoms have an equal number of protons and electrons . the result of this is that the total positive charge of the protons exactly cancels the total negative charge of the electrons , so that the atom itself ha... | is n't the valency of an element the number of electrons that it requires to complete its octet ? |
atoms are the smallest units of matter that still retain the fundamental chemical properties of an element . much of the study of chemistry , however , involves looking at what happens when atoms combine with other atoms to form compounds . a compound is a distinct group of atoms held together by chemical bonds . just ... | however , if an atom gains or loses electrons , the balance between protons and electrons is upset , and the atom becomes an ion—a species with a net charge . let ’ s first look at what happens when a neutral atom loses an electron : in the diagram above , we see a neutral atom of sodium , na , losing an electron . the... | in the paragraph about the molecular geometry of nh3 and electron-electron repulsion , would not the hydrogen atoms ' proton and electron fight each other to stay either closer to or farther away from the nitrogen atom , instead of just the electrons repelling each other ? |
atoms are the smallest units of matter that still retain the fundamental chemical properties of an element . much of the study of chemistry , however , involves looking at what happens when atoms combine with other atoms to form compounds . a compound is a distinct group of atoms held together by chemical bonds . just ... | you will learn more about this in future lessons on the different types of solids . covalent vs. ionic compounds : molecules vs. formula units now that we ’ ve discussed the basics of both covalent and ionic bonding , we need to draw a few necessary distinctions . we know that a group of atoms joined by only covalent b... | since `` molecule '' is product of covalent bonding and `` formula unit '' is a product of ionic bonding , what do you call a group of atoms bonded via both covalent and ionic methods ? |
atoms are the smallest units of matter that still retain the fundamental chemical properties of an element . much of the study of chemistry , however , involves looking at what happens when atoms combine with other atoms to form compounds . a compound is a distinct group of atoms held together by chemical bonds . just ... | just as the structure of the atom is held together by the electrostatic attraction between the positively charged nucleus and the negatively charged electrons surrounding it , the stability within chemical bonds is also due to electrostatic attractions . to illustrate further , consider the two major types of chemical ... | what other types of chemical bonds are there in addition to covalent and ionic ? |
atoms are the smallest units of matter that still retain the fundamental chemical properties of an element . much of the study of chemistry , however , involves looking at what happens when atoms combine with other atoms to form compounds . a compound is a distinct group of atoms held together by chemical bonds . just ... | concept check : which type of compounds are composed of molecules—ionic or covalent ? conclusion all chemical bonding is due to electrostatic attraction . when atoms combine through chemical bonding , they form compounds—unique structures composed of two or more atoms . | does water effect the electrostatic attraction in a molecule ? |
atoms are the smallest units of matter that still retain the fundamental chemical properties of an element . much of the study of chemistry , however , involves looking at what happens when atoms combine with other atoms to form compounds . a compound is a distinct group of atoms held together by chemical bonds . just ... | in covalent bonds , two atoms share electrons , while in ionic bonds , electrons are fully transferred between two atoms so that ions are formed . let ’ s consider both types of bonds in detail . covalent bonds and molecules a covalent bond is formed when two atoms share electrons . | when are these types of bonding used ? |
atoms are the smallest units of matter that still retain the fundamental chemical properties of an element . much of the study of chemistry , however , involves looking at what happens when atoms combine with other atoms to form compounds . a compound is a distinct group of atoms held together by chemical bonds . just ... | this is because in nature nacl does not exist in individual units , but in crystal lattice structures that are composed of multiple na $ ^+ $ and cl $ ^- $ ions alternating in space . the chemical formula nacl specifies one formula unit of this compound . | what would happen if the one chemical formula structure of table salt ( crystal lattice ) was broken apart into pieces ? |
atoms are the smallest units of matter that still retain the fundamental chemical properties of an element . much of the study of chemistry , however , involves looking at what happens when atoms combine with other atoms to form compounds . a compound is a distinct group of atoms held together by chemical bonds . just ... | the result is that the newly formed chloride ion , cl $ ^- $ , has 17 protons and 18 electrons . because electrons carry a 1- charge , the net charge on the chloride ion from the extra electron is 1- . it has become an anion , or a negatively charged ion . | when formula units form , the charges of the atoms are determined by the movement of the electron , however in a molecule such as h20 the electrons spend more time closer to the oxygen creating a net negative charge on it right ? |
atoms are the smallest units of matter that still retain the fundamental chemical properties of an element . much of the study of chemistry , however , involves looking at what happens when atoms combine with other atoms to form compounds . a compound is a distinct group of atoms held together by chemical bonds . just ... | in a covalent bond , the stability of the bond comes from the shared electrostatic attraction between the two positively charged atomic nuclei and the shared , negatively charged electrons between them . when atoms combine to share covalent bonds , the resulting collection of atoms is called a molecule . we can therefo... | why are atoms represented in a sphere , instead of any other shape ? |
atoms are the smallest units of matter that still retain the fundamental chemical properties of an element . much of the study of chemistry , however , involves looking at what happens when atoms combine with other atoms to form compounds . a compound is a distinct group of atoms held together by chemical bonds . just ... | the advantage of this type of model is that we get to see the covalent bonds , which also allows us to more easily see the geometry of the molecule . ions and ion formation now that we have an understanding of covalent bonds , we can begin to discuss the other major type of chemical bond—an ionic bond . unlike covalent... | can an atom have an ionic bond at one point , and then covalent bond if placed in a different environment ? |
atoms are the smallest units of matter that still retain the fundamental chemical properties of an element . much of the study of chemistry , however , involves looking at what happens when atoms combine with other atoms to form compounds . a compound is a distinct group of atoms held together by chemical bonds . just ... | however , if an atom gains or loses electrons , the balance between protons and electrons is upset , and the atom becomes an ion—a species with a net charge . let ’ s first look at what happens when a neutral atom loses an electron : in the diagram above , we see a neutral atom of sodium , na , losing an electron . the... | if a hydrogen atom is neutral , why does n't it stay as h , instead of combining covalently into h2 ? |
atoms are the smallest units of matter that still retain the fundamental chemical properties of an element . much of the study of chemistry , however , involves looking at what happens when atoms combine with other atoms to form compounds . a compound is a distinct group of atoms held together by chemical bonds . just ... | in a chemical formula , we use the elemental symbols from the periodic table to indicate which elements are present , and we use subscripts to indicate how many atoms of each element exist within the molecule . for example , a single molecule of nh $ \purplec { 3 } $ , ammonia , contains one nitrogen atom and three hyd... | the reason for the the ammonia molecule being shaped that way is that the lone pair on the nitrogen repels the two electron hydrogen bonds away - should n't the electrons be in motion ( some sort of orbit ) around the nitrogen atom ? |
atoms are the smallest units of matter that still retain the fundamental chemical properties of an element . much of the study of chemistry , however , involves looking at what happens when atoms combine with other atoms to form compounds . a compound is a distinct group of atoms held together by chemical bonds . just ... | let ’ s consider both types of bonds in detail . covalent bonds and molecules a covalent bond is formed when two atoms share electrons . in a covalent bond , the stability of the bond comes from the shared electrostatic attraction between the two positively charged atomic nuclei and the shared , negatively charged elec... | is it right to claim that in covalent bond the attraction is between the nucleus to the shered electrons , while , in ionic bond the attraction is between two nucleuses ? |
atoms are the smallest units of matter that still retain the fundamental chemical properties of an element . much of the study of chemistry , however , involves looking at what happens when atoms combine with other atoms to form compounds . a compound is a distinct group of atoms held together by chemical bonds . just ... | in covalent compounds , atoms form covalent bonds that consist of electrons shared between two adjacent atomic nuclei . an example of a covalent compound is ammonia . the chemical formula of ammonia is nh $ _3 $ , which tells us that in a single molecule of ammonia , there is one nitrogen atom , and three hydrogen atom... | would something like h2 or ozone be a compound ? |
atoms are the smallest units of matter that still retain the fundamental chemical properties of an element . much of the study of chemistry , however , involves looking at what happens when atoms combine with other atoms to form compounds . a compound is a distinct group of atoms held together by chemical bonds . just ... | the structure of a covalent compound can be depicted through space-filling models as well as ball-and-stick models . in ionic compounds , electrons are completely transferred from one atom to another so that a cation—positively charged ion—and an anion—negatively charged ion—form . the strong electrostatic attraction b... | when na looses one of its electrons to become a cation , does that change the size of the atom because it lost one of its shells ? |
atoms are the smallest units of matter that still retain the fundamental chemical properties of an element . much of the study of chemistry , however , involves looking at what happens when atoms combine with other atoms to form compounds . a compound is a distinct group of atoms held together by chemical bonds . just ... | to better illustrate this , we first need to examine the structure and formation of ions . recall that neutral atoms have an equal number of protons and electrons . the result of this is that the total positive charge of the protons exactly cancels the total negative charge of the electrons , so that the atom itself ha... | i know that within the atom it is mostly empty space , so is the number of electrons or the protons and neutrons more important in defining the size of atoms to outside bodies ? |
atoms are the smallest units of matter that still retain the fundamental chemical properties of an element . much of the study of chemistry , however , involves looking at what happens when atoms combine with other atoms to form compounds . a compound is a distinct group of atoms held together by chemical bonds . just ... | to illustrate further , consider the two major types of chemical bonds : covalent bonds and ionic bonds . in covalent bonds , two atoms share electrons , while in ionic bonds , electrons are fully transferred between two atoms so that ions are formed . let ’ s consider both types of bonds in detail . | why do we need to share electrons and what does the bracket in bonding indicates ? |
atoms are the smallest units of matter that still retain the fundamental chemical properties of an element . much of the study of chemistry , however , involves looking at what happens when atoms combine with other atoms to form compounds . a compound is a distinct group of atoms held together by chemical bonds . just ... | just as the structure of the atom is held together by the electrostatic attraction between the positively charged nucleus and the negatively charged electrons surrounding it , the stability within chemical bonds is also due to electrostatic attractions . to illustrate further , consider the two major types of chemical ... | are ionic bonds easier to break compared to covalent bonds ? |
atoms are the smallest units of matter that still retain the fundamental chemical properties of an element . much of the study of chemistry , however , involves looking at what happens when atoms combine with other atoms to form compounds . a compound is a distinct group of atoms held together by chemical bonds . just ... | conclusion all chemical bonding is due to electrostatic attraction . when atoms combine through chemical bonding , they form compounds—unique structures composed of two or more atoms . the basic composition of a compound can be indicated using a chemical formula . | how do i find the ionic compounds that would form from each combination of atoms or polyatomic ions ? |
atoms are the smallest units of matter that still retain the fundamental chemical properties of an element . much of the study of chemistry , however , involves looking at what happens when atoms combine with other atoms to form compounds . a compound is a distinct group of atoms held together by chemical bonds . just ... | this is because in nature nacl does not exist in individual units , but in crystal lattice structures that are composed of multiple na $ ^+ $ and cl $ ^- $ ions alternating in space . the chemical formula nacl specifies one formula unit of this compound . | how do you know what symbols are needed to write the formula ? |
atoms are the smallest units of matter that still retain the fundamental chemical properties of an element . much of the study of chemistry , however , involves looking at what happens when atoms combine with other atoms to form compounds . a compound is a distinct group of atoms held together by chemical bonds . just ... | in reality , however , most chemical bonds lie somewhere in between these two cases . drawing ionic bonds we will now consider the different ways we can draw or depict ionic bonds . we will continue looking at the most commonly known ionic compound—sodium chloride , which is best known as table salt . | can different molecules have ionic bonds ? |
atoms are the smallest units of matter that still retain the fundamental chemical properties of an element . much of the study of chemistry , however , involves looking at what happens when atoms combine with other atoms to form compounds . a compound is a distinct group of atoms held together by chemical bonds . just ... | just as the structure of the atom is held together by the electrostatic attraction between the positively charged nucleus and the negatively charged electrons surrounding it , the stability within chemical bonds is also due to electrostatic attractions . to illustrate further , consider the two major types of chemical ... | is there a place i can find the properties of the bonds , like melting points ? |
atoms are the smallest units of matter that still retain the fundamental chemical properties of an element . much of the study of chemistry , however , involves looking at what happens when atoms combine with other atoms to form compounds . a compound is a distinct group of atoms held together by chemical bonds . just ... | to better illustrate this , we first need to examine the structure and formation of ions . recall that neutral atoms have an equal number of protons and electrons . the result of this is that the total positive charge of the protons exactly cancels the total negative charge of the electrons , so that the atom itself ha... | how is the weight of electrons , protons and neutrons measured ? |
atoms are the smallest units of matter that still retain the fundamental chemical properties of an element . much of the study of chemistry , however , involves looking at what happens when atoms combine with other atoms to form compounds . a compound is a distinct group of atoms held together by chemical bonds . just ... | conclusion all chemical bonding is due to electrostatic attraction . when atoms combine through chemical bonding , they form compounds—unique structures composed of two or more atoms . the basic composition of a compound can be indicated using a chemical formula . | why two atoms which each has overall positive charge can attract each other ? |
atoms are the smallest units of matter that still retain the fundamental chemical properties of an element . much of the study of chemistry , however , involves looking at what happens when atoms combine with other atoms to form compounds . a compound is a distinct group of atoms held together by chemical bonds . just ... | recall that neutral atoms have an equal number of protons and electrons . the result of this is that the total positive charge of the protons exactly cancels the total negative charge of the electrons , so that the atom itself has an overall charge , or net charge , of zero . however , if an atom gains or loses electro... | could energy eliminate the limitation caused by the same electric charge ? |
atoms are the smallest units of matter that still retain the fundamental chemical properties of an element . much of the study of chemistry , however , involves looking at what happens when atoms combine with other atoms to form compounds . a compound is a distinct group of atoms held together by chemical bonds . just ... | concept check : which type of compounds are composed of molecules—ionic or covalent ? conclusion all chemical bonding is due to electrostatic attraction . when atoms combine through chemical bonding , they form compounds—unique structures composed of two or more atoms . the basic composition of a compound can be indica... | what determine atoms to be ionic or covalent after chemical bonding ? |
atoms are the smallest units of matter that still retain the fundamental chemical properties of an element . much of the study of chemistry , however , involves looking at what happens when atoms combine with other atoms to form compounds . a compound is a distinct group of atoms held together by chemical bonds . just ... | to illustrate further , consider the two major types of chemical bonds : covalent bonds and ionic bonds . in covalent bonds , two atoms share electrons , while in ionic bonds , electrons are fully transferred between two atoms so that ions are formed . let ’ s consider both types of bonds in detail . | why is that electrons go to outer shell when there is more energy , like glass ? |
atoms are the smallest units of matter that still retain the fundamental chemical properties of an element . much of the study of chemistry , however , involves looking at what happens when atoms combine with other atoms to form compounds . a compound is a distinct group of atoms held together by chemical bonds . just ... | concept check : the chemical formula for acetic acid , a common acid found in vinegar , is c $ _2 $ h $ _4 $ o $ _2 $ . how many oxygen atoms are there in three molecules of acetic acid ? as your study of chemistry continues , you will find that sometimes chemists write molecular formulas in different ways . | i think this is related : why is ozone harmful to the body , if it is three oxygen atoms , and you need oxygen to survive ? |
atoms are the smallest units of matter that still retain the fundamental chemical properties of an element . much of the study of chemistry , however , involves looking at what happens when atoms combine with other atoms to form compounds . a compound is a distinct group of atoms held together by chemical bonds . just ... | ions and ion formation now that we have an understanding of covalent bonds , we can begin to discuss the other major type of chemical bond—an ionic bond . unlike covalent bonds , in which electrons are shared between atoms , an ionic bond is formed when two oppositely charged ions attract one another . to better illust... | why does two opposite charge attract ? |
atoms are the smallest units of matter that still retain the fundamental chemical properties of an element . much of the study of chemistry , however , involves looking at what happens when atoms combine with other atoms to form compounds . a compound is a distinct group of atoms held together by chemical bonds . just ... | however , a few teachers and textbooks define a molecule more narrowly . according to this less common definition , a molecule is a group of covalently bound atoms of the same element only . in the rest of this article , we will stick to the broader definition of molecule because it is more common . | what does covalently bound mean ? |
atoms are the smallest units of matter that still retain the fundamental chemical properties of an element . much of the study of chemistry , however , involves looking at what happens when atoms combine with other atoms to form compounds . a compound is a distinct group of atoms held together by chemical bonds . just ... | this is because in nature nacl does not exist in individual units , but in crystal lattice structures that are composed of multiple na $ ^+ $ and cl $ ^- $ ions alternating in space . the chemical formula nacl specifies one formula unit of this compound . | example : how do you find the chemical formula of nitrogen tri-iodide ? |
atoms are the smallest units of matter that still retain the fundamental chemical properties of an element . much of the study of chemistry , however , involves looking at what happens when atoms combine with other atoms to form compounds . a compound is a distinct group of atoms held together by chemical bonds . just ... | this is because in nature nacl does not exist in individual units , but in crystal lattice structures that are composed of multiple na $ ^+ $ and cl $ ^- $ ions alternating in space . the chemical formula nacl specifies one formula unit of this compound . | how is ni 3 the chemical formula ? |
atoms are the smallest units of matter that still retain the fundamental chemical properties of an element . much of the study of chemistry , however , involves looking at what happens when atoms combine with other atoms to form compounds . a compound is a distinct group of atoms held together by chemical bonds . just ... | we simply recognize that the attraction is there due to the opposite charge signs on the ions . the above diagram , however , is just a model . in nature , sodium chloride does not exist as a single sodium cation bonded with a single chloride anion . | in the 4th & 5th diagram , does n't changing the amount of electrons change the element ? |
atoms are the smallest units of matter that still retain the fundamental chemical properties of an element . much of the study of chemistry , however , involves looking at what happens when atoms combine with other atoms to form compounds . a compound is a distinct group of atoms held together by chemical bonds . just ... | in the last section , we looked at the chemical formula for ammonia , which is nh $ _3 $ . now , let ’ s consider its structural formula : from both of these structural formulas , we can see that the central nitrogen atom shares a single covalent bond with each hydrogen atom . keep in mind , however , that atoms and mo... | exactly when does the atom become unstable ? |
atoms are the smallest units of matter that still retain the fundamental chemical properties of an element . much of the study of chemistry , however , involves looking at what happens when atoms combine with other atoms to form compounds . a compound is a distinct group of atoms held together by chemical bonds . just ... | let ’ s consider both types of bonds in detail . covalent bonds and molecules a covalent bond is formed when two atoms share electrons . in a covalent bond , the stability of the bond comes from the shared electrostatic attraction between the two positively charged atomic nuclei and the shared , negatively charged elec... | is it possible that two different covalent molecules again form a chemical bond ? |
atoms are the smallest units of matter that still retain the fundamental chemical properties of an element . much of the study of chemistry , however , involves looking at what happens when atoms combine with other atoms to form compounds . a compound is a distinct group of atoms held together by chemical bonds . just ... | however , if an atom gains or loses electrons , the balance between protons and electrons is upset , and the atom becomes an ion—a species with a net charge . let ’ s first look at what happens when a neutral atom loses an electron : in the diagram above , we see a neutral atom of sodium , na , losing an electron . the... | do the electron clouds coincide somewhat ? |
atoms are the smallest units of matter that still retain the fundamental chemical properties of an element . much of the study of chemistry , however , involves looking at what happens when atoms combine with other atoms to form compounds . a compound is a distinct group of atoms held together by chemical bonds . just ... | in this diagram , we see the opposite process of what we saw with the sodium atom . here , a neutral chlorine atom , cl , is gaining an electron . the result is that the newly formed chloride ion , cl $ ^- $ , has 17 protons and 18 electrons . | pardon me , why does chlorine want an electron so badly , to fill its 3n shell , hence , its 2n shell has fulfilled the octet rule , by having 8 electrons ? |
atoms are the smallest units of matter that still retain the fundamental chemical properties of an element . much of the study of chemistry , however , involves looking at what happens when atoms combine with other atoms to form compounds . a compound is a distinct group of atoms held together by chemical bonds . just ... | let ’ s consider both types of bonds in detail . covalent bonds and molecules a covalent bond is formed when two atoms share electrons . in a covalent bond , the stability of the bond comes from the shared electrostatic attraction between the two positively charged atomic nuclei and the shared , negatively charged elec... | what determines whether two elements will form a covalent or ionic bond ? |
atoms are the smallest units of matter that still retain the fundamental chemical properties of an element . much of the study of chemistry , however , involves looking at what happens when atoms combine with other atoms to form compounds . a compound is a distinct group of atoms held together by chemical bonds . just ... | in covalent compounds , atoms form covalent bonds that consist of electrons shared between two adjacent atomic nuclei . an example of a covalent compound is ammonia . the chemical formula of ammonia is nh $ _3 $ , which tells us that in a single molecule of ammonia , there is one nitrogen atom , and three hydrogen atom... | what 's the difference between a compound and a bond ? |
atoms are the smallest units of matter that still retain the fundamental chemical properties of an element . much of the study of chemistry , however , involves looking at what happens when atoms combine with other atoms to form compounds . a compound is a distinct group of atoms held together by chemical bonds . just ... | this is because in nature nacl does not exist in individual units , but in crystal lattice structures that are composed of multiple na $ ^+ $ and cl $ ^- $ ions alternating in space . the chemical formula nacl specifies one formula unit of this compound . | is a compund a molecule or formula unit that contains at least 2 different elements ? |
atoms are the smallest units of matter that still retain the fundamental chemical properties of an element . much of the study of chemistry , however , involves looking at what happens when atoms combine with other atoms to form compounds . a compound is a distinct group of atoms held together by chemical bonds . just ... | for example , a single molecule of nh $ \purplec { 3 } $ , ammonia , contains one nitrogen atom and three hydrogen atoms . by contrast , a single molecule of n $ \blued { 2 } $ h $ _\redd { 4 } $ , hydrazine , contains two nitrogen atoms and four hydrogen atoms . concept check : the chemical formula for acetic acid , a... | and a molecule is just 2 or more atoms joined together chemically ? |
atoms are the smallest units of matter that still retain the fundamental chemical properties of an element . much of the study of chemistry , however , involves looking at what happens when atoms combine with other atoms to form compounds . a compound is a distinct group of atoms held together by chemical bonds . just ... | it has become an anion , or a negatively charged ion . note : when neutral atoms gain electron ( s ) to form anions , they are typically named with an -ide suffix . for example , cl $ ^- $ is chloride , br $ ^- $ is bromide , o $ ^ { 2- } $ is oxide , n $ ^ { 3- } $ is nitride , etc . | if anions are typically named with an `` -ide '' suffix , are names of cations typically followed with a suffix as well ? |
atoms are the smallest units of matter that still retain the fundamental chemical properties of an element . much of the study of chemistry , however , involves looking at what happens when atoms combine with other atoms to form compounds . a compound is a distinct group of atoms held together by chemical bonds . just ... | it has become an anion , or a negatively charged ion . note : when neutral atoms gain electron ( s ) to form anions , they are typically named with an -ide suffix . for example , cl $ ^- $ is chloride , br $ ^- $ is bromide , o $ ^ { 2- } $ is oxide , n $ ^ { 3- } $ is nitride , etc . | what do we mean when we talk about two atoms `` sharing '' an electron versus `` transferring '' an electron ? |
atoms are the smallest units of matter that still retain the fundamental chemical properties of an element . much of the study of chemistry , however , involves looking at what happens when atoms combine with other atoms to form compounds . a compound is a distinct group of atoms held together by chemical bonds . just ... | in the rest of this article , we will stick to the broader definition of molecule because it is more common . therefore , we will be using the terms molecule and covalent compound interchangeably . representing molecules : chemical formulas chemical formulas , sometimes also called molecular formulas , are the simplest... | do the terms `` transfer '' and `` share '' reference different features of these probability distributions ? |
atoms are the smallest units of matter that still retain the fundamental chemical properties of an element . much of the study of chemistry , however , involves looking at what happens when atoms combine with other atoms to form compounds . a compound is a distinct group of atoms held together by chemical bonds . just ... | in a covalent bond , the stability of the bond comes from the shared electrostatic attraction between the two positively charged atomic nuclei and the shared , negatively charged electrons between them . when atoms combine to share covalent bonds , the resulting collection of atoms is called a molecule . we can therefo... | what is a group of atoms only joined by a ionic bonds called ? |
atoms are the smallest units of matter that still retain the fundamental chemical properties of an element . much of the study of chemistry , however , involves looking at what happens when atoms combine with other atoms to form compounds . a compound is a distinct group of atoms held together by chemical bonds . just ... | let ’ s consider both types of bonds in detail . covalent bonds and molecules a covalent bond is formed when two atoms share electrons . in a covalent bond , the stability of the bond comes from the shared electrostatic attraction between the two positively charged atomic nuclei and the shared , negatively charged elec... | in a covalent bond , is there a minimum number of electrons that is shared ? |
atoms are the smallest units of matter that still retain the fundamental chemical properties of an element . much of the study of chemistry , however , involves looking at what happens when atoms combine with other atoms to form compounds . a compound is a distinct group of atoms held together by chemical bonds . just ... | this is because in nature nacl does not exist in individual units , but in crystal lattice structures that are composed of multiple na $ ^+ $ and cl $ ^- $ ions alternating in space . the chemical formula nacl specifies one formula unit of this compound . | how can you tell if something is either an ionic or covalent compound , given only a chemical formula ? |
atoms are the smallest units of matter that still retain the fundamental chemical properties of an element . much of the study of chemistry , however , involves looking at what happens when atoms combine with other atoms to form compounds . a compound is a distinct group of atoms held together by chemical bonds . just ... | you will learn more about this in future lessons on the different types of solids . covalent vs. ionic compounds : molecules vs. formula units now that we ’ ve discussed the basics of both covalent and ionic bonding , we need to draw a few necessary distinctions . we know that a group of atoms joined by only covalent b... | if `` all compounds are molecules , but not all molecules are compounds '' , then nacl is a compound , and why is it not a molecule as it stated in `` covalent vs. ionic compounds - molecules vs. formula units '' ? |
atoms are the smallest units of matter that still retain the fundamental chemical properties of an element . much of the study of chemistry , however , involves looking at what happens when atoms combine with other atoms to form compounds . a compound is a distinct group of atoms held together by chemical bonds . just ... | for example , cl $ ^- $ is chloride , br $ ^- $ is bromide , o $ ^ { 2- } $ is oxide , n $ ^ { 3- } $ is nitride , etc . ionic bonds in the last section , we looked separately at how sodium can lose an electron to form the cation na $ ^+ $ and at how chlorine can gain an electron to form the anion cl $ ^- $ . in realit... | in the section `` ionic bonds , '' after the chlorine accepts the electron from the sodium , why do they have an attraction to each other ? |
atoms are the smallest units of matter that still retain the fundamental chemical properties of an element . much of the study of chemistry , however , involves looking at what happens when atoms combine with other atoms to form compounds . a compound is a distinct group of atoms held together by chemical bonds . just ... | the structure of a covalent compound can be depicted through space-filling models as well as ball-and-stick models . in ionic compounds , electrons are completely transferred from one atom to another so that a cation—positively charged ion—and an anion—negatively charged ion—form . the strong electrostatic attraction b... | can an ion exist on itself , or does it need to be bond with another ion to exist in nature ? |
atoms are the smallest units of matter that still retain the fundamental chemical properties of an element . much of the study of chemistry , however , involves looking at what happens when atoms combine with other atoms to form compounds . a compound is a distinct group of atoms held together by chemical bonds . just ... | in the rest of this article , we will stick to the broader definition of molecule because it is more common . therefore , we will be using the terms molecule and covalent compound interchangeably . representing molecules : chemical formulas chemical formulas , sometimes also called molecular formulas , are the simplest... | how do we differentiate a molecule and a compound ? |
atoms are the smallest units of matter that still retain the fundamental chemical properties of an element . much of the study of chemistry , however , involves looking at what happens when atoms combine with other atoms to form compounds . a compound is a distinct group of atoms held together by chemical bonds . just ... | however , if an atom gains or loses electrons , the balance between protons and electrons is upset , and the atom becomes an ion—a species with a net charge . let ’ s first look at what happens when a neutral atom loses an electron : in the diagram above , we see a neutral atom of sodium , na , losing an electron . the... | since na has 11 protons and cl 17 i 'm confused if that 's to easy picture a transfer of electron ? |
atoms are the smallest units of matter that still retain the fundamental chemical properties of an element . much of the study of chemistry , however , involves looking at what happens when atoms combine with other atoms to form compounds . a compound is a distinct group of atoms held together by chemical bonds . just ... | this is because in nature nacl does not exist in individual units , but in crystal lattice structures that are composed of multiple na $ ^+ $ and cl $ ^- $ ions alternating in space . the chemical formula nacl specifies one formula unit of this compound . | what is the name and formula of the compound formed in the reaction between calcium and iodine ? |
atoms are the smallest units of matter that still retain the fundamental chemical properties of an element . much of the study of chemistry , however , involves looking at what happens when atoms combine with other atoms to form compounds . a compound is a distinct group of atoms held together by chemical bonds . just ... | the strong electrostatic attraction between adjacent cations and anions is known as an ionic bond . the most common example of an ionic compound is sodium chloride nacl , better known as table salt . unlike covalent compounds , there is no such thing as a molecule of an ionic compound . | in the example of nacl , is it appropriate to say that na goes through oxidation , and cl goes through reduction ? |
becoming : between myself and the material with which i create , no tool intervenes . i select it with my hands . i shape it with my hands . my hands transmit energy to it . in translating idea into form , they always pass on to it something that eludes conceptualization . they reveal the unconscious . – magdalena abak... | abakanowicz attended gatherings of artists , intellectuals , scientists , and politicians in the one-room apartment of the polish constructivist painter henryk stażewski . unconventional materials in 1967 abakanowicz began creating forms made with fabric and tapestry . she became well known for work she called abakans ... | do the materials used to make this sculpture have any symbolic meanings ? |
becoming : between myself and the material with which i create , no tool intervenes . i select it with my hands . i shape it with my hands . my hands transmit energy to it . in translating idea into form , they always pass on to it something that eludes conceptualization . they reveal the unconscious . – magdalena abak... | abakanowicz draws on her personal history , but her sculptures possess an ambiguity that encourages multiple interpretations that speak broadly to human experience . androgyne iii alludes to the brutality of war and the totalitarian state . the body is a husk without arms , legs or a head . | how are the nails specifically used in androgyne iii ? |
roman architecture was unlike anything that had come before . the persians , egyptians , greeks and etruscans all had monumental architecture . the grandeur of their buildings , though , was largely external . buildings were designed to be impressive when viewed from outside because their architects all had to rely on ... | from the bridge in alcántara , spain to the paved roads in petra , jordan , the romans moved messages , money and troops efficiently . republican period republican roman architecture was influenced by the etruscans who were the early kings of rome ; the etruscans were in turn influenced by greek architecture . the temp... | that said ... what are some of the architectural discoveries that may have been made in more recent times that influenced or dramatically changed the way we think about space and architecture ? |
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