conversations listlengths 2 2 |
|---|
[
{
"from": "human",
"value": "What do you call a molecule that has an uneven distribution of electrical charge?"
},
{
"from": "gpt",
"value": "Dipole dipole"
}
] |
[
{
"from": "human",
"value": "What do you call the attraction between the partially positive end of one molecule and the partially negative end of another molecule?"
},
{
"from": "gpt",
"value": "Dipole dipole"
}
] |
[
{
"from": "human",
"value": "What type of bonding is described as a collection of cations in a loose cloud of valence electrons?"
},
{
"from": "gpt",
"value": "Metallic Bond"
}
] |
[
{
"from": "human",
"value": "What type of bond forms between anions and cations?"
},
{
"from": "gpt",
"value": "Ionic Bond"
}
] |
[
{
"from": "human",
"value": "What type of bonding is found in network solids?"
},
{
"from": "gpt",
"value": "Covalent Bonds"
}
] |
[
{
"from": "human",
"value": "What is the bonding in Aluminum?"
},
{
"from": "gpt",
"value": "Metallic Bond"
}
] |
[
{
"from": "human",
"value": "What is the word that means a bond inside a molecule?"
},
{
"from": "gpt",
"value": "Intramolecular"
}
] |
[
{
"from": "human",
"value": "What is a word that means a bond between two molecules?"
},
{
"from": "gpt",
"value": "Intermolecular"
}
] |
[
{
"from": "human",
"value": "A substance is a brittle crystalline solid that conducts electricity when melted. What type of bonding does ot contain?"
},
{
"from": "gpt",
"value": "Ionic Bond"
}
] |
[
{
"from": "human",
"value": "What type of bonding would be in stainless steal?"
},
{
"from": "gpt",
"value": "Metallic Bond"
}
] |
[
{
"from": "human",
"value": "What type of bonding would be in methane?"
},
{
"from": "gpt",
"value": "Covalent Bond"
}
] |
[
{
"from": "human",
"value": "What type of bonding would be in calcium flouride?"
},
{
"from": "gpt",
"value": "Ionic Bond"
}
] |
[
{
"from": "human",
"value": "What type of bonding would be in Ammonia?"
},
{
"from": "gpt",
"value": "Polar Covalent"
}
] |
[
{
"from": "human",
"value": "What type of bonding would hold one nonpolar molecule to another nonpolar molecule?"
},
{
"from": "gpt",
"value": "London Dispersion"
}
] |
[
{
"from": "human",
"value": "What is the name given to the measure of the force of attraction that exosts between an atom and a shared pair of electrons?"
},
{
"from": "gpt",
"value": "Electronegativity"
}
] |
[
{
"from": "human",
"value": "What type of bond would exist between two atoms that have identical electronegativities?"
},
{
"from": "gpt",
"value": "Non polar covalent"
}
] |
[
{
"from": "human",
"value": "What type of bond would exist between two atoms that have an electronegativity difference of .60?"
},
{
"from": "gpt",
"value": "Polar Covalent"
}
] |
[
{
"from": "human",
"value": "What tyoe of bond would exist between to elements that have an electronegativity difference of 1.8?"
},
{
"from": "gpt",
"value": "Ionic Bond"
}
] |
[
{
"from": "human",
"value": "What do we call a covalent bond where one atom donated both of the shared electrons-- the other atom just mooched?"
},
{
"from": "gpt",
"value": "Coordinate Covalent"
}
] |
[
{
"from": "human",
"value": "Who developed the electronegativity scale that we are presently using?"
},
{
"from": "gpt",
"value": "Pauling"
}
] |
[
{
"from": "human",
"value": "How does an atom become an ion?"
},
{
"from": "gpt",
"value": "Adding electrons"
}
] |
[
{
"from": "human",
"value": "Do ionic bonds occur between non-metals? Yes or No"
},
{
"from": "gpt",
"value": "No"
}
] |
[
{
"from": "human",
"value": "Do covalent bonds occur between non-metals? Yes or no"
},
{
"from": "gpt",
"value": "Yes"
}
] |
[
{
"from": "human",
"value": "What does the term \"solid\" mean?"
},
{
"from": "gpt",
"value": "Ionic compounds are normally in which physical state at room temperature."
}
] |
[
{
"from": "human",
"value": "What are the performance characteristics of a grounding electrode or grounding electrode system?"
},
{
"from": "gpt",
"value": "Establishes a ground (earth) connection\nProvides a direct connection to ground (earth)\nMaintains a ground (earth) connection"
}
] |
[
{
"from": "human",
"value": "A system or circuit conductor that is intentionally grounded defines what?"
},
{
"from": "gpt",
"value": "Grounded Conductor"
}
] |
[
{
"from": "human",
"value": "Which NEC table provides grounding electrode conductor sizing requirements for copper grounding electrode conductors?"
},
{
"from": "gpt",
"value": "Table 250.66"
}
] |
[
{
"from": "human",
"value": "A conductor installed on the supply side of a service or separately derived system to ensure the required electrical conductivity between metal parts required to be electrically connected defines what?"
},
{
"from": "gpt",
"value": "Supply-Side Bonding Jumper"
}
] |
[
{
"from": "human",
"value": "The conductive path(s) installed that provides a ground-fault current path and connects normally non-current-carrying metal parts of equipment together and to the system grounded conductor or to the grounding electrode conductor, or both, defines which of the following?"
},
... |
[
{
"from": "human",
"value": "The grounding of what shall be installed an arranged in a manner that will prevent objectionable current?"
},
{
"from": "gpt",
"value": "Grounding of surge arrestors and surge-protective devices\nGrounding of electrical systems or circuit conductors\nGrounding of con... |
[
{
"from": "human",
"value": "If the use of multiple grounding connections results in objectionable current, which of the following alterations shall be permitted to be made, provided that the requirements of 250.4(A)(5) or (B)(4) are met?"
},
{
"from": "gpt",
"value": "One or more of the followi... |
[
{
"from": "human",
"value": "Where an isolated grounding circuit and receptacle is installed in accordance with 250.146(D), the insulated (isolated) equipment grounding conductor shall also be permitted to pass through which of the following without being connected to such enclosures?"
},
{
"from": ... |
[
{
"from": "human",
"value": "Where a feeder from an ungrounded system supplies a separate building or structure, the installation must meet which of the following requirements?"
},
{
"from": "gpt",
"value": "-It must include an equipment grounding conductor (EGC) as described in 250.118\n-The EG... |
[
{
"from": "human",
"value": "Which of the following bonding methods is not suitable for bonding metal equipment in any hazardous (classified) locations?"
},
{
"from": "gpt",
"value": "Bonding equipment to the Grounded Service Conductor"
}
] |
[
{
"from": "human",
"value": "Which element has atom with the greatest attraction for electrons in a chemical bond?\n1. beryllium\n2. fluorine\n3. lithium\n4. oxygen"
},
{
"from": "gpt",
"value": "2. fluorine"
}
] |
[
{
"from": "human",
"value": "Based on electronegativity values, which type of elements tends to have the greatest attraction for electrons in a bond?\n1. metals\n2.metalloids\n3.nonmetals\n4. noble gases"
},
{
"from": "gpt",
"value": "3. nonmetals"
}
] |
[
{
"from": "human",
"value": "The balanced equation below represents a molecule of bromine separating into two bromine atoms\nBr₂→Br+Br\nWhat occurs during this change?\n1. Energy is absorbed and a bond is formed\n2. Energy is absorbed and a bond is broken\n3. Energy is released and a bond is formed\n4. Ener... |
[
{
"from": "human",
"value": "Which substance contains metallic bonds?\n1. Hg (l)\n2.H₂O (l)\n3.NaCl (s)\n4.C₆H₁₂O₆ (s)"
},
{
"from": "gpt",
"value": "1. Hg (l)"
}
] |
[
{
"from": "human",
"value": "Which type of bonding is found in all molecular substances?\n1. covalent bonding\n2. hydrogen bonding\n3. ionic bonding\n4. metallic bonding"
},
{
"from": "gpt",
"value": "1. covalent bonding"
}
] |
[
{
"from": "human",
"value": "What is the total number of pairs of electrons shared in a molecule of N₂?\n1. one pair\n2. two pairs\n3. three pairs\n4.four pairs"
},
{
"from": "gpt",
"value": "3. three pairs"
}
] |
[
{
"from": "human",
"value": "Which formula represents an ionic compound?\n1. H₂\n2.CH₄\n3.CH₃OH\n4. NH₄Cl"
},
{
"from": "gpt",
"value": "4. NH₄Cl"
}
] |
[
{
"from": "human",
"value": "Which compound contains both ionic and covalent bonds?\n1. ammonia\n2. methane\n3. sodium nitrate\n4. potassium chloride"
},
{
"from": "gpt",
"value": "3. sodium nitrate"
}
] |
[
{
"from": "human",
"value": "Which structural formula represents a nonpolar molecular?\n1. H-Cl\n2. H-O\n3. H-H\n4. H-N-H"
},
{
"from": "gpt",
"value": "3. H-H"
}
] |
[
{
"from": "human",
"value": "Which structural formula represents a dipole?\n1. S\n ^ ^\n H H\n2. O=C+O\n\n3 H\n ' \n H-C-H\n '\n H\n\n4. =\n N- N\n₋"
},
{
"from": "gpt",
"value": "1. S\n ^ ^\n H H"
}
] |
[
{
"from": "human",
"value": "Which formula represents a non polar molecule containing polar covalent bonds?\n1.H2O\n2.CCI₄\n3. NH₃\n4.H₂"
},
{
"from": "gpt",
"value": "2.CCI₄"
}
] |
[
{
"from": "human",
"value": "Why is a molecule of CO₂ nonpolar even though the bonds between the carbon atom and the oxygen atoms are polar?\n1. The shape of the CO₂ molecule is symmetrical.\n2. The shape of the CO₂ molecule is asymmetrical.\n3.The CO₂ molecule has a deficiency of electrons.\n4.The CO₂ mole... |
[
{
"from": "human",
"value": "A monatomic ion is an ion that has how many atoms?"
},
{
"from": "gpt",
"value": "1"
}
] |
[
{
"from": "human",
"value": "Which of the following is an example of an ionic compound? \n H2O, CaO, SiO2 or N2O5"
},
{
"from": "gpt",
"value": "CaO because it is the only one that contains a metal/cation"
}
] |
[
{
"from": "human",
"value": "Which is not an example of a ternary compound? \n Mg(NO2)2, NH4OH, MgSO4 or SrO"
},
{
"from": "gpt",
"value": "SrO. Ternary compounds consist of three or more different elements."
}
] |
[
{
"from": "human",
"value": "which of the following pairs of atoms will form an ionic bond?\na) Ca, Cl\nb) Mg, N\nc) Sr, P\nd) Li, Cl"
},
{
"from": "gpt",
"value": "ALL \nwhy & how? \n1) take electroneg. differences\nall btwn 1.8-4.0"
}
] |
[
{
"from": "human",
"value": "which substance contains both ionic and covalent bonds?\na) NH4NO3\nb)CH3OCH3\nc)LiF\nd)CaCl2"
},
{
"from": "gpt",
"value": "C"
}
] |
[
{
"from": "human",
"value": "how do you find out how many e- an atom needs to complete its octet?"
},
{
"from": "gpt",
"value": "take # of valence e- and subtract from 8"
}
] |
[
{
"from": "human",
"value": "why is the bond H-Cl more polar than H-I?"
},
{
"from": "gpt",
"value": "b/c according to its position on the periodic table, Cl is located further down the electronegativity scale than Iodine"
}
] |
[
{
"from": "human",
"value": "what kind of elements usually form ionic?"
},
{
"from": "gpt",
"value": "metal+nonmetal"
}
] |
[
{
"from": "human",
"value": "what kind of elements usually form covalent?"
},
{
"from": "gpt",
"value": "nonmetal+nonmetal"
}
] |
[
{
"from": "human",
"value": "how to do you predict a bond type?"
},
{
"from": "gpt",
"value": "whether elements are metal or nonmetal"
}
] |
[
{
"from": "human",
"value": "What does the term \"coefficient\" mean?"
},
{
"from": "gpt",
"value": "A number in front of a chemical formula in an equation that indicates how many molecules or atoms of each reactant and product are involved in a reaction."
}
] |
[
{
"from": "human",
"value": "What happens to the energy and stability of an atom when it forms a chemical bond?"
},
{
"from": "gpt",
"value": "When a chemical bond happens the atoms become stable \nEx: \nCovalent - Shares electrons \nIonic - Gains or loses electrons \n\nMore energy is involed wi... |
[
{
"from": "human",
"value": "What are bond energies and how do they relate to the stability of the bond?"
},
{
"from": "gpt",
"value": "Bond energy is the measure of bond strength in a chemical bond. This tells you the amount of energy is required to break a bond and make it unstable."
}
] |
[
{
"from": "human",
"value": "How does a covalent bond differ from an ionic bond?"
},
{
"from": "gpt",
"value": "Covalent - Non-metal and non-mental \n\nIonic - Metal and Non-metal"
}
] |
[
{
"from": "human",
"value": "What are cations and why are they named that?"
},
{
"from": "gpt",
"value": "a positively charged ion, one that would be attracted to the cathode in electrolysis. The cation name comes from the cathode of a battery where the electrons leave, thus leaving a positive c... |
[
{
"from": "human",
"value": "What are anions and why are they named that?"
},
{
"from": "gpt",
"value": "A negatively charged ion, one that would be attracted to the anode in electrolysis.\nThe anion name comes from the anode of a battery where the electrons end up, thus causing a negative charg... |
[
{
"from": "human",
"value": "What role does lattice energy play in forming an ionic compound?"
},
{
"from": "gpt",
"value": "Lattice energy is what gives electrons energy to move across and bond with other electrons to form a compond. This helps since ionic compounds need more energy to bond."
... |
[
{
"from": "human",
"value": "Why does ionic compound ordinarily have such high melting and boiling points?"
},
{
"from": "gpt",
"value": "This is due to the ionic compound being physical properties when the compound has high heat it will break the bonds\n\nEx: Sodium Chloride is an ionic compund... |
[
{
"from": "human",
"value": "Using the formula of a compound, how might we determine whether of not it's ionic?"
},
{
"from": "gpt",
"value": "For ions they need to have full octet if there are two elements that can either be one positive and one negative. You will need one negative ion needs to... |
[
{
"from": "human",
"value": "Your lab partner believes that all ions are stable. How would you explain what is wrong with his belief?"
},
{
"from": "gpt",
"value": "The ions need to participate in a chemical reactoin to become stable."
}
] |
[
{
"from": "human",
"value": "Why are most metals found in nature as ores that need refining and not as pure metals?"
},
{
"from": "gpt",
"value": "Many metals are very reactive and form compounds easily to achieve a more stable configuration"
}
] |
[
{
"from": "human",
"value": "What is the main difference between monatomic and polyatomic ions?"
},
{
"from": "gpt",
"value": "Monatomic: One atom\n\nPolyatomic: many atoms"
}
] |
[
{
"from": "human",
"value": "What happens to the stability and energy of two atoms as they form a covenant bond?"
},
{
"from": "gpt",
"value": "Covalent bonds release energy when two atoms come together. This makes the electron more stable."
}
] |
[
{
"from": "human",
"value": "How might change the shape of a molecule affect its properties?"
},
{
"from": "gpt",
"value": "It can change it's melting and boiling point, plus it can change how it reacts with other molecules."
}
] |
[
{
"from": "human",
"value": "What is the relationship between the VSEPR theory and molecular shape?"
},
{
"from": "gpt",
"value": "Electron pairs in the central atom to repel one another and get as far away as possible giving the look 3 dimensional model gives rise to the various shapes of molec... |
[
{
"from": "human",
"value": "Why is a spring a better model than a stick for a covalent bond?"
},
{
"from": "gpt",
"value": "A spring is a better model than a stick for a covalent bond because the stick implies that the bond is strictly fixed at one position with no movement. The true nature of ... |
[
{
"from": "human",
"value": "Which is likely to have the higher bond energy: an O—C bond in HO—CH3 with a bond length of 141pm or an\nO—C bond in HO—C6H5 with a bond length of 136pm?"
},
{
"from": "gpt",
"value": "—C bond in HO—CH3 with a bond length of 141pm"
}
] |
[
{
"from": "human",
"value": "Why are the melting and boiling temperature of a molecular compound usually lower than those of an ionic compound?"
},
{
"from": "gpt",
"value": "The bond strengths of ionic compounds are stronger, making it harder to boil."
}
] |
[
{
"from": "human",
"value": "How does polarity affect boiling point?"
},
{
"from": "gpt",
"value": "the polarity of molecules brings them closer to each other due to attractions between opposite poles. The high amount of energy is required to convert the liquid into vapours so such liquids have ... |
[
{
"from": "human",
"value": "Why are intermolecular forces weaker than covalent or ionic bonds?"
},
{
"from": "gpt",
"value": "Intramolecular forces generally involve covalent bonds, wherein electrons are shared, and atoms are relatively close to each other. A proximity of the atoms and the elec... |
[
{
"from": "human",
"value": "How does a hydrogen bond develop between two molecules?"
},
{
"from": "gpt",
"value": "A hydrogen bond requires two molecules that both have dipole moments. The positive(H) end of one is attracted to the electronegative portion of another moleclue"
}
] |
[
{
"from": "human",
"value": "How do we draw the Lewis structure of molecules?"
},
{
"from": "gpt",
"value": "https://www.youtube.com/watch?v=1ZlnzyHahvo"
}
] |
[
{
"from": "human",
"value": "Why is it possible to bend metals but not ionic crystals?"
},
{
"from": "gpt",
"value": "metals have metallic bonds and nuclei are in a sea of electrons where ionic crystals are in a lattice form that is hard to move"
}
] |
[
{
"from": "human",
"value": "Which of the following is a true statement about atomic nuclei?\nA) They are made up of protons, neutrons, and electrons\nanswer b They have a net positive charge correct\nB) They have a net positive charge\nanswer c Every atomic nucleus has the same number of particles\nC) Ever... |
[
{
"from": "human",
"value": "How do the inner electron shells of an atom differ from the outer electron shells?\nanswer a The electrons in the outer shells orbit the nucleus at slower speeds\nA) The electrons in the outer shells orbit the nucleus at slower speeds\nanswer b The electrons in the outer shells ... |
[
{
"from": "human",
"value": "Fluorine is an element located on the right side of the periodic table of elements. What can you conclude about fluorine from this fact?\nanswer a Its valence shell is nearly full. correct\nA) Its valence shell is nearly full.\nanswer b It tends to donate electrons to other atom... |
[
{
"from": "human",
"value": "What can you infer about elements located in the middle of the periodic table?\nanswer a They tend to have very large atomic masses\nA) They tend to have very large atomic masses\nanswer b They tend to have completely full valence shells\nB) They tend to have completely full val... |
[
{
"from": "human",
"value": "Which of the following is a true statement about ions?\nanswer a Removing an electron from an atom requires energy correct\nA) Removing an electron from an atom requires energy\nanswer b When an atom gains an electron, it loses energy\nB) When an atom gains an electron, it loses... |
[
{
"from": "human",
"value": "Which statement best describes why sodium and chlorine form bonds so frequently?\nanswer a A closed system can neither gain nor lose energy.\nA) A closed system can neither gain nor lose energy.\nanswer b Opposites attract. correct\nB) Opposites attract.\nanswer c Objects in mot... |
[
{
"from": "human",
"value": "Water is sometimes described as the \"universal solvent.\" From the information presented in the movie, what can you infer about this nickname?\nanswer a It means that water can make dangerous substances harmless\nA) It means that water can make dangerous substances harmless\nan... |
[
{
"from": "human",
"value": "How is table salt (sodium chloride) different than the ions that make it up?\nanswer a It has a net negative charge.\nA) It has a net negative charge.\nanswer b It has a net positive charge.\nB) It has a net positive charge.\nanswer c It has a neutral charge. correct\nC) It has ... |
[
{
"from": "human",
"value": "What intermolecular force is the strongest?"
},
{
"from": "gpt",
"value": "ionic"
}
] |
[
{
"from": "human",
"value": "In HCl, is the bond between the atoms NOT a nonpolar covalent bond?"
},
{
"from": "gpt",
"value": "yes"
}
] |
[
{
"from": "human",
"value": "How many double bonds are in the Lewis structure for hydrogen fluoride, HF?"
},
{
"from": "gpt",
"value": "none"
}
] |
[
{
"from": "human",
"value": "1 What is an ion?"
},
{
"from": "gpt",
"value": "Charged Atoms"
}
] |
[
{
"from": "human",
"value": "2 What are 3 goals of an ionic bond?"
},
{
"from": "gpt",
"value": "To become whole, \nTo have 8 valance electrons \nTo balance charges"
}
] |
[
{
"from": "human",
"value": "4 What is the goal of a covalent bond?\nExample F:F, 0::0"
},
{
"from": "gpt",
"value": "To share electrons, \nTo share 2 or more atoms to get 8 each.\n• Weaker then ionic\n• Single, double, or triple bonds"
}
] |
[
{
"from": "human",
"value": "5 Are covalent bonds weaker or stronger than ionic bonds?"
},
{
"from": "gpt",
"value": "Weaker"
}
] |
[
{
"from": "human",
"value": "7 What happens in a metallic bond?"
},
{
"from": "gpt",
"value": "When metals unite they share electrons so everyone has enough valance electrons \n• Examples: Ni, Cr, V Zan, Co lr"
}
] |
[
{
"from": "human",
"value": "8 What is an alloy and its strength?"
},
{
"from": "gpt",
"value": "Alloys are metals that combine two or more elements. They could also be called metallic compounds. Often alloys are stronger and harder than pure metal."
}
] |
[
{
"from": "human",
"value": "9 Which atoms will form a metallic bond ?"
},
{
"from": "gpt",
"value": "Metallic bonds are only formed between metal atoms. Example: Example: bronze, which is made by mixing the metals tin and copper."
}
] |
[
{
"from": "human",
"value": "10. what is the relative strengths of the different types of bonds?"
},
{
"from": "gpt",
"value": "ionic\ncovalent\nmetallic"
}
] |
[
{
"from": "human",
"value": "11. What is the difference between a molecule and a compound?"
},
{
"from": "gpt",
"value": "Compounds only have 2 or more different element/atoms, while molecules could have 2 or more of the same element/atom."
}
] |
[
{
"from": "human",
"value": "13 Explain whether atoms in ionic bond are compounds, molecules or both?"
},
{
"from": "gpt",
"value": "Both, because there are different elements/atoms that bond which make a compound and a molecule but in column 14, they form with each other which is a molecule."
... |
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