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NDQ_015601 | An ionic bond forms when atoms of a nonmetal give up electrons to atoms of a metal. | a. true, b. false | b | Lesson: ionic bonds
Formation of Ionic Bonds:
An ionic bond is the force of attraction that holds together positive and negative ions. It forms when atoms of a metallic element give up electrons to atoms of a nonmetallic element. Figure 7.3 shows how this happens. In row 1 of Figure 7.3, an atom of sodium donates an e... |
NDQ_015603 | Sodium and chloride ions have equal but opposite charges. | a. true, b. false | a | Lesson: ionic bonds
Formation of Ionic Bonds:
An ionic bond is the force of attraction that holds together positive and negative ions. It forms when atoms of a metallic element give up electrons to atoms of a nonmetallic element. Figure 7.3 shows how this happens. In row 1 of Figure 7.3, an atom of sodium donates an e... |
NDQ_015606 | Metals need energy in order to become ions. | a. true, b. false | a | Lesson: ionic bonds
Formation of Ionic Bonds:
An ionic bond is the force of attraction that holds together positive and negative ions. It forms when atoms of a metallic element give up electrons to atoms of a nonmetallic element. Figure 7.3 shows how this happens. In row 1 of Figure 7.3, an atom of sodium donates an e... |
NDQ_015608 | The bonds of crystals are very weak. | a. true, b. false | b | Lesson: ionic bonds
Formation of Ionic Bonds:
An ionic bond is the force of attraction that holds together positive and negative ions. It forms when atoms of a metallic element give up electrons to atoms of a nonmetallic element. Figure 7.3 shows how this happens. In row 1 of Figure 7.3, an atom of sodium donates an e... |
NDQ_015609 | Solid ionic compounds are good conductors of electricity. | a. true, b. false | b | Lesson: ionic bonds
Formation of Ionic Bonds:
An ionic bond is the force of attraction that holds together positive and negative ions. It forms when atoms of a metallic element give up electrons to atoms of a nonmetallic element. Figure 7.3 shows how this happens. In row 1 of Figure 7.3, an atom of sodium donates an e... |
NDQ_015613 | dissolved ionic compound | a. ion, b. ionic bond, c. ionic compound, d. crystal, e. electrolyte, f. sodium, g. chloride | e | Lesson: ionic bonds
Formation of Ionic Bonds:
An ionic bond is the force of attraction that holds together positive and negative ions. It forms when atoms of a metallic element give up electrons to atoms of a nonmetallic element. Figure 7.3 shows how this happens. In row 1 of Figure 7.3, an atom of sodium donates an e... |
NDQ_015614 | unique substance that forms when a metal and a nonmetal combine chemically | a. ion, b. ionic bond, c. ionic compound, d. crystal, e. electrolyte, f. sodium, g. chloride | c | Lesson: ionic bonds
Formation of Ionic Bonds:
An ionic bond is the force of attraction that holds together positive and negative ions. It forms when atoms of a metallic element give up electrons to atoms of a nonmetallic element. Figure 7.3 shows how this happens. In row 1 of Figure 7.3, an atom of sodium donates an e... |
NDQ_015615 | example of an alkali metal | a. ion, b. ionic bond, c. ionic compound, d. crystal, e. electrolyte, f. sodium, g. chloride | f | Lesson: ionic bonds
Formation of Ionic Bonds:
An ionic bond is the force of attraction that holds together positive and negative ions. It forms when atoms of a metallic element give up electrons to atoms of a nonmetallic element. Figure 7.3 shows how this happens. In row 1 of Figure 7.3, an atom of sodium donates an e... |
NDQ_015616 | force of attraction that holds together positive and negative ions | a. ion, b. ionic bond, c. ionic compound, d. crystal, e. electrolyte, f. sodium, g. chloride | b | Lesson: ionic bonds
Formation of Ionic Bonds:
An ionic bond is the force of attraction that holds together positive and negative ions. It forms when atoms of a metallic element give up electrons to atoms of a nonmetallic element. Figure 7.3 shows how this happens. In row 1 of Figure 7.3, an atom of sodium donates an e... |
NDQ_015617 | example of a negative ion | a. ion, b. ionic bond, c. ionic compound, d. crystal, e. electrolyte, f. sodium, g. chloride | g | Lesson: ionic bonds
Formation of Ionic Bonds:
An ionic bond is the force of attraction that holds together positive and negative ions. It forms when atoms of a metallic element give up electrons to atoms of a nonmetallic element. Figure 7.3 shows how this happens. In row 1 of Figure 7.3, an atom of sodium donates an e... |
NDQ_015618 | charged particle that forms when an atom gains or loses electrons | a. ion, b. ionic bond, c. ionic compound, d. crystal, e. electrolyte, f. sodium, g. chloride | a | Lesson: ionic bonds
Formation of Ionic Bonds:
An ionic bond is the force of attraction that holds together positive and negative ions. It forms when atoms of a metallic element give up electrons to atoms of a nonmetallic element. Figure 7.3 shows how this happens. In row 1 of Figure 7.3, an atom of sodium donates an e... |
NDQ_015619 | structure that forms when many positive and negative ions bond together | a. ion, b. ionic bond, c. ionic compound, d. crystal, e. electrolyte, f. sodium, g. chloride | d | Lesson: ionic bonds
Formation of Ionic Bonds:
An ionic bond is the force of attraction that holds together positive and negative ions. It forms when atoms of a metallic element give up electrons to atoms of a nonmetallic element. Figure 7.3 shows how this happens. In row 1 of Figure 7.3, an atom of sodium donates an e... |
NDQ_015620 | When metallic elements become ions they | a. gain electrons, b. become positively charged, c. become negatively charged, d. two of the above | b | Lesson: ionic bonds
Formation of Ionic Bonds:
An ionic bond is the force of attraction that holds together positive and negative ions. It forms when atoms of a metallic element give up electrons to atoms of a nonmetallic element. Figure 7.3 shows how this happens. In row 1 of Figure 7.3, an atom of sodium donates an e... |
NDQ_015621 | Which two elements could form an ionic compound? | a. carbon and oxygen, b. hydrogen and nitrogen, c. lithium and fluorine, d. boron and neon | c | Lesson: ionic bonds
Formation of Ionic Bonds:
An ionic bond is the force of attraction that holds together positive and negative ions. It forms when atoms of a metallic element give up electrons to atoms of a nonmetallic element. Figure 7.3 shows how this happens. In row 1 of Figure 7.3, an atom of sodium donates an e... |
NDQ_015622 | Which statement about energy and ionic bonds is true? | a. It takes energy to form a negative ion, b. Halogens need the most energy to become ions, c. It takes energy to remove valence electrons from an atom, d. It takes more energy to gain two electrons than one electron | c | Lesson: ionic bonds
Formation of Ionic Bonds:
An ionic bond is the force of attraction that holds together positive and negative ions. It forms when atoms of a metallic element give up electrons to atoms of a nonmetallic element. Figure 7.3 shows how this happens. In row 1 of Figure 7.3, an atom of sodium donates an e... |
NDQ_015623 | Which of the following compounds is not an ionic compound? | a. barium oxide, b. lithium oxide, c. carbon dioxide, d. calcium chloride | c | Lesson: ionic bonds
Formation of Ionic Bonds:
An ionic bond is the force of attraction that holds together positive and negative ions. It forms when atoms of a metallic element give up electrons to atoms of a nonmetallic element. Figure 7.3 shows how this happens. In row 1 of Figure 7.3, an atom of sodium donates an e... |
NDQ_015624 | Properties of ionic compounds include | a. high melting points, b. high boiling points, c. brittleness, d. all of the above | d | Lesson: ionic bonds
Formation of Ionic Bonds:
An ionic bond is the force of attraction that holds together positive and negative ions. It forms when atoms of a metallic element give up electrons to atoms of a nonmetallic element. Figure 7.3 shows how this happens. In row 1 of Figure 7.3, an atom of sodium donates an e... |
NDQ_015625 | Ionic compounds are good conductors of electricity when they are | a. shaped into wires, b. dissolved in water, c. formed into crystals, d. made of two metals | b | Lesson: ionic bonds
Formation of Ionic Bonds:
An ionic bond is the force of attraction that holds together positive and negative ions. It forms when atoms of a metallic element give up electrons to atoms of a nonmetallic element. Figure 7.3 shows how this happens. In row 1 of Figure 7.3, an atom of sodium donates an e... |
NDQ_015626 | In which of the following elements is the valence electron farthest from the nucleus? | a. lithium (Li), b. sodium (Na), c. potassium (K), d. rubidium (Rb) | d | Lesson: ionic bonds
Formation of Ionic Bonds:
An ionic bond is the force of attraction that holds together positive and negative ions. It forms when atoms of a metallic element give up electrons to atoms of a nonmetallic element. Figure 7.3 shows how this happens. In row 1 of Figure 7.3, an atom of sodium donates an e... |
NDQ_015627 | any compound consisting of two or more nonmetals | a. covalent bond, b. hydrogen bond, c. polar bond, d. nonpolar bond, e. diatomic bond, f. polar compound, g. covalent compound | g | Lesson: covalent bonds
Formation of Covalent Bonds:
A covalent bond is the force of attraction that holds together two atoms that share a pair of electrons. The shared electrons are attracted to the nuclei of both atoms. Covalent bonds form only between atoms of nonmetals. The two atoms may be the same or different el... |
NDQ_015628 | Two hydrogen atoms may bond together to form a hydrogen | a. ion, b. molecule, c. compound, d. two of the above | b | Lesson: covalent bonds
Formation of Covalent Bonds:
A covalent bond is the force of attraction that holds together two atoms that share a pair of electrons. The shared electrons are attracted to the nuclei of both atoms. Covalent bonds form only between atoms of nonmetals. The two atoms may be the same or different el... |
NDQ_015629 | covalent bond in which neither atom has an electric charge | a. covalent bond, b. hydrogen bond, c. polar bond, d. nonpolar bond, e. diatomic bond, f. polar compound, g. covalent compound | d | Lesson: covalent bonds
Formation of Covalent Bonds:
A covalent bond is the force of attraction that holds together two atoms that share a pair of electrons. The shared electrons are attracted to the nuclei of both atoms. Covalent bonds form only between atoms of nonmetals. The two atoms may be the same or different el... |
NDQ_015630 | An example of a covalent compound is | a. sodium fluoride, b. calcium chloride, c. carbon dioxide, d. all of the above | c | Lesson: covalent bonds
Formation of Covalent Bonds:
A covalent bond is the force of attraction that holds together two atoms that share a pair of electrons. The shared electrons are attracted to the nuclei of both atoms. Covalent bonds form only between atoms of nonmetals. The two atoms may be the same or different el... |
NDQ_015631 | covalent bond between two atoms of the same element | a. covalent bond, b. hydrogen bond, c. polar bond, d. nonpolar bond, e. diatomic bond, f. polar compound, g. covalent compound | e | Lesson: covalent bonds
Formation of Covalent Bonds:
A covalent bond is the force of attraction that holds together two atoms that share a pair of electrons. The shared electrons are attracted to the nuclei of both atoms. Covalent bonds form only between atoms of nonmetals. The two atoms may be the same or different el... |
NDQ_015632 | In all covalent bonds, valence electrons are | a. lost, b. gained, c. shared equally, d. share | d | Lesson: covalent bonds
Formation of Covalent Bonds:
A covalent bond is the force of attraction that holds together two atoms that share a pair of electrons. The shared electrons are attracted to the nuclei of both atoms. Covalent bonds form only between atoms of nonmetals. The two atoms may be the same or different el... |
NDQ_015633 | The compound that contains two oxygen atoms and one nitrogen atom is named | a. oxygen nitride, b. dioxygen nitride, c. nitrogen dioxide, d. nitrogen monoxide | c | Lesson: covalent bonds
Formation of Covalent Bonds:
A covalent bond is the force of attraction that holds together two atoms that share a pair of electrons. The shared electrons are attracted to the nuclei of both atoms. Covalent bonds form only between atoms of nonmetals. The two atoms may be the same or different el... |
NDQ_015634 | force of attraction holding together two atoms that share a pair of electrons | a. covalent bond, b. hydrogen bond, c. polar bond, d. nonpolar bond, e. diatomic bond, f. polar compound, g. covalent compound | a | Lesson: covalent bonds
Formation of Covalent Bonds:
A covalent bond is the force of attraction that holds together two atoms that share a pair of electrons. The shared electrons are attracted to the nuclei of both atoms. Covalent bonds form only between atoms of nonmetals. The two atoms may be the same or different el... |
NDQ_015635 | weak bond that forms between oppositely charged ends of two molecules | a. covalent bond, b. hydrogen bond, c. polar bond, d. nonpolar bond, e. diatomic bond, f. polar compound, g. covalent compound | b | Lesson: covalent bonds
Formation of Covalent Bonds:
A covalent bond is the force of attraction that holds together two atoms that share a pair of electrons. The shared electrons are attracted to the nuclei of both atoms. Covalent bonds form only between atoms of nonmetals. The two atoms may be the same or different el... |
NDQ_015636 | What is the chemical formula for the compound in question 4? | a. O2 N, b. N2 O, c. NO, d. NO2 | d | Lesson: covalent bonds
Formation of Covalent Bonds:
A covalent bond is the force of attraction that holds together two atoms that share a pair of electrons. The shared electrons are attracted to the nuclei of both atoms. Covalent bonds form only between atoms of nonmetals. The two atoms may be the same or different el... |
NDQ_015638 | covalent bond in which the two atoms are oppositely charged | a. covalent bond, b. hydrogen bond, c. polar bond, d. nonpolar bond, e. diatomic bond, f. polar compound, g. covalent compound | c | Lesson: covalent bonds
Formation of Covalent Bonds:
A covalent bond is the force of attraction that holds together two atoms that share a pair of electrons. The shared electrons are attracted to the nuclei of both atoms. Covalent bonds form only between atoms of nonmetals. The two atoms may be the same or different el... |
NDQ_015639 | compound in which molecules have oppositely charged ends | a. covalent bond, b. hydrogen bond, c. polar bond, d. nonpolar bond, e. diatomic bond, f. polar compound, g. covalent compound | f | Lesson: covalent bonds
Formation of Covalent Bonds:
A covalent bond is the force of attraction that holds together two atoms that share a pair of electrons. The shared electrons are attracted to the nuclei of both atoms. Covalent bonds form only between atoms of nonmetals. The two atoms may be the same or different el... |
NDQ_015647 | Covalent bonds form only between atoms of different elements. | a. true, b. false | b | Lesson: covalent bonds
Formation of Covalent Bonds:
A covalent bond is the force of attraction that holds together two atoms that share a pair of electrons. The shared electrons are attracted to the nuclei of both atoms. Covalent bonds form only between atoms of nonmetals. The two atoms may be the same or different el... |
NDQ_015649 | A single covalent bond involves just one valence electron. | a. true, b. false | b | Lesson: covalent bonds
Formation of Covalent Bonds:
A covalent bond is the force of attraction that holds together two atoms that share a pair of electrons. The shared electrons are attracted to the nuclei of both atoms. Covalent bonds form only between atoms of nonmetals. The two atoms may be the same or different el... |
NDQ_015652 | Sharing electrons allows atoms to have a full outer energy level. | a. true, b. false | a | Lesson: covalent bonds
Formation of Covalent Bonds:
A covalent bond is the force of attraction that holds together two atoms that share a pair of electrons. The shared electrons are attracted to the nuclei of both atoms. Covalent bonds form only between atoms of nonmetals. The two atoms may be the same or different el... |
NDQ_015654 | Each hydrogen atom can form two covalent bonds. | a. true, b. false | b | Lesson: covalent bonds
Formation of Covalent Bonds:
A covalent bond is the force of attraction that holds together two atoms that share a pair of electrons. The shared electrons are attracted to the nuclei of both atoms. Covalent bonds form only between atoms of nonmetals. The two atoms may be the same or different el... |
NDQ_015655 | The hydrogen end of a water molecule is slightly negative in charge. | a. true, b. false | b | Lesson: covalent bonds
Formation of Covalent Bonds:
A covalent bond is the force of attraction that holds together two atoms that share a pair of electrons. The shared electrons are attracted to the nuclei of both atoms. Covalent bonds form only between atoms of nonmetals. The two atoms may be the same or different el... |
NDQ_015656 | Covalent bonds are found only in covalent compounds. | a. true, b. false | b | Lesson: covalent bonds
Formation of Covalent Bonds:
A covalent bond is the force of attraction that holds together two atoms that share a pair of electrons. The shared electrons are attracted to the nuclei of both atoms. Covalent bonds form only between atoms of nonmetals. The two atoms may be the same or different el... |
NDQ_015657 | Some covalent compounds contain atoms of just one element. | a. true, b. false | b | Lesson: covalent bonds
Formation of Covalent Bonds:
A covalent bond is the force of attraction that holds together two atoms that share a pair of electrons. The shared electrons are attracted to the nuclei of both atoms. Covalent bonds form only between atoms of nonmetals. The two atoms may be the same or different el... |
NDQ_015658 | Formaldehyde is an example of a covalent compound. | a. true, b. false | a | Lesson: covalent bonds
Formation of Covalent Bonds:
A covalent bond is the force of attraction that holds together two atoms that share a pair of electrons. The shared electrons are attracted to the nuclei of both atoms. Covalent bonds form only between atoms of nonmetals. The two atoms may be the same or different el... |
NDQ_015659 | Oxygen gas consists of individual oxygen atoms. | a. true, b. false | b | Lesson: covalent bonds
Formation of Covalent Bonds:
A covalent bond is the force of attraction that holds together two atoms that share a pair of electrons. The shared electrons are attracted to the nuclei of both atoms. Covalent bonds form only between atoms of nonmetals. The two atoms may be the same or different el... |
NDQ_015660 | An oxygen atom forms two covalent bonds. | a. true, b. false | a | Lesson: covalent bonds
Formation of Covalent Bonds:
A covalent bond is the force of attraction that holds together two atoms that share a pair of electrons. The shared electrons are attracted to the nuclei of both atoms. Covalent bonds form only between atoms of nonmetals. The two atoms may be the same or different el... |
NDQ_015661 | Oxygen always becomes negatively charged when it forms covalent bonds. | a. true, b. false | b | Lesson: covalent bonds
Formation of Covalent Bonds:
A covalent bond is the force of attraction that holds together two atoms that share a pair of electrons. The shared electrons are attracted to the nuclei of both atoms. Covalent bonds form only between atoms of nonmetals. The two atoms may be the same or different el... |
NDQ_015662 | In naming a covalent compound, the element closest to the right of the periodic table is named first. | a. true, b. false | b | Lesson: covalent bonds
Formation of Covalent Bonds:
A covalent bond is the force of attraction that holds together two atoms that share a pair of electrons. The shared electrons are attracted to the nuclei of both atoms. Covalent bonds form only between atoms of nonmetals. The two atoms may be the same or different el... |
NDQ_015663 | The second element named in a covalent compound gets the suffix ide. | a. true, b. false | a | Lesson: covalent bonds
Formation of Covalent Bonds:
A covalent bond is the force of attraction that holds together two atoms that share a pair of electrons. The shared electrons are attracted to the nuclei of both atoms. Covalent bonds form only between atoms of nonmetals. The two atoms may be the same or different el... |
NDQ_015664 | Polar compounds tend to have higher boiling points than nonpolar compounds. | a. true, b. false | a | Lesson: covalent bonds
Formation of Covalent Bonds:
A covalent bond is the force of attraction that holds together two atoms that share a pair of electrons. The shared electrons are attracted to the nuclei of both atoms. Covalent bonds form only between atoms of nonmetals. The two atoms may be the same or different el... |
NDQ_015665 | If a bond forms between calcium and chlorine, the bond is covalent. | a. true, b. false | b | Lesson: covalent bonds
Formation of Covalent Bonds:
A covalent bond is the force of attraction that holds together two atoms that share a pair of electrons. The shared electrons are attracted to the nuclei of both atoms. Covalent bonds form only between atoms of nonmetals. The two atoms may be the same or different el... |
NDQ_015666 | Covalent bonds may form between | a. atoms of different elements, b. atoms of the same element, c. ions of different elements, d. two of the above | d | Lesson: covalent bonds
Formation of Covalent Bonds:
A covalent bond is the force of attraction that holds together two atoms that share a pair of electrons. The shared electrons are attracted to the nuclei of both atoms. Covalent bonds form only between atoms of nonmetals. The two atoms may be the same or different el... |
NDQ_015667 | Elements that normally occur as diatomic molecules include | a. hydrogen, b. iodine, c. oxygen, d. all of the above | d | Lesson: covalent bonds
Formation of Covalent Bonds:
A covalent bond is the force of attraction that holds together two atoms that share a pair of electrons. The shared electrons are attracted to the nuclei of both atoms. Covalent bonds form only between atoms of nonmetals. The two atoms may be the same or different el... |
NDQ_015668 | Shared electrons in covalent bonds are always attracted to | a. both nuclei, b. both nuclei equally, c. one nucleus more than the other, d. one nucleus only | a | Lesson: covalent bonds
Formation of Covalent Bonds:
A covalent bond is the force of attraction that holds together two atoms that share a pair of electrons. The shared electrons are attracted to the nuclei of both atoms. Covalent bonds form only between atoms of nonmetals. The two atoms may be the same or different el... |
NDQ_015669 | How many covalent bonds must a hydrogen atom form to have a full outer energy level? | a. 0, b. 1, c. 2, d. 3 | b | Lesson: covalent bonds
Formation of Covalent Bonds:
A covalent bond is the force of attraction that holds together two atoms that share a pair of electrons. The shared electrons are attracted to the nuclei of both atoms. Covalent bonds form only between atoms of nonmetals. The two atoms may be the same or different el... |
NDQ_015670 | An example of a polar molecule is | a. H2 O, b. CO2 , c. O2 , d. H2 | a | Lesson: covalent bonds
Formation of Covalent Bonds:
A covalent bond is the force of attraction that holds together two atoms that share a pair of electrons. The shared electrons are attracted to the nuclei of both atoms. Covalent bonds form only between atoms of nonmetals. The two atoms may be the same or different el... |
NDQ_015671 | Which statement about hydrogen bonds is true? | a. They are very strong, b. They form between molecules, c. They form within molecules, d. two of the above | b | Lesson: covalent bonds
Formation of Covalent Bonds:
A covalent bond is the force of attraction that holds together two atoms that share a pair of electrons. The shared electrons are attracted to the nuclei of both atoms. Covalent bonds form only between atoms of nonmetals. The two atoms may be the same or different el... |
NDQ_015672 | Compared with ionic compounds, covalent compounds | a. have lower melting points, b. have higher boiling points, c. are better conductors of electricity, d. are more likely to dissolve in water | a | Lesson: covalent bonds
Formation of Covalent Bonds:
A covalent bond is the force of attraction that holds together two atoms that share a pair of electrons. The shared electrons are attracted to the nuclei of both atoms. Covalent bonds form only between atoms of nonmetals. The two atoms may be the same or different el... |
NDQ_015673 | Metallic bonds form because metals | a. want to give up valence electrons, b. always share valence electrons, c. have many valence electrons, d. always gain valence electrons | a | Lesson: metallic bonds
Formation of Metallic Bonds:
A metallic bond is the force of attraction between a positive metal ion and the valence electrons it shares with other ions of the metal. The positive ions form a lattice-like structure. You can see an example in Figure 7.13. (For an animated version, go to the URL b... |
NDQ_015674 | Which statement about metallic bonds is true? | a. They form between metals and nonmetals, b. They form between negative and positive ions, c. They form a lattice-like structure, d. two of the above | c | Lesson: metallic bonds
Formation of Metallic Bonds:
A metallic bond is the force of attraction between a positive metal ion and the valence electrons it shares with other ions of the metal. The positive ions form a lattice-like structure. You can see an example in Figure 7.13. (For an animated version, go to the URL b... |
NDQ_015675 | Which statement is true about all metals? | a. They have one valence electron, b. They have freely moving electrons, c. They have more electrons than protons, d. They always gain electrons | b | Lesson: metallic bonds
Formation of Metallic Bonds:
A metallic bond is the force of attraction between a positive metal ion and the valence electrons it shares with other ions of the metal. The positive ions form a lattice-like structure. You can see an example in Figure 7.13. (For an animated version, go to the URL b... |
NDQ_015676 | In metallic bonds, the force of attraction is between | a. positive and negative ions, b. ions and electrons, c. two different metals, d. neutrons and electrons | b | Lesson: metallic bonds
Formation of Metallic Bonds:
A metallic bond is the force of attraction between a positive metal ion and the valence electrons it shares with other ions of the metal. The positive ions form a lattice-like structure. You can see an example in Figure 7.13. (For an animated version, go to the URL b... |
NDQ_015677 | Because of metallic bonds, metals | a. are good conductors of electricity, b. can change shape without breaking, c. are ductile and malleable, d. all of the above | d | Lesson: metallic bonds
Formation of Metallic Bonds:
A metallic bond is the force of attraction between a positive metal ion and the valence electrons it shares with other ions of the metal. The positive ions form a lattice-like structure. You can see an example in Figure 7.13. (For an animated version, go to the URL b... |
NDQ_015678 | Metals are used to make electric wires because metals | a. are ductile, b. are malleable, c. have freely moving electrons, d. two of the above | d | Lesson: metallic bonds
Formation of Metallic Bonds:
A metallic bond is the force of attraction between a positive metal ion and the valence electrons it shares with other ions of the metal. The positive ions form a lattice-like structure. You can see an example in Figure 7.13. (For an animated version, go to the URL b... |
NDQ_015679 | How does a metallic lattice differ from an ionic crystal? | a. A metallic lattice is less flexible, b. A metallic lattice can change shape without breaking, c. A metallic lattice shatters when struck, d. all of the above | b | Lesson: metallic bonds
Formation of Metallic Bonds:
A metallic bond is the force of attraction between a positive metal ion and the valence electrons it shares with other ions of the metal. The positive ions form a lattice-like structure. You can see an example in Figure 7.13. (For an animated version, go to the URL b... |
NDQ_015680 | An alloy is a | a. pure metal, b. compound of two or more metals, c. solid solution, d. mixture of nonmetals | c | Lesson: metallic bonds
Formation of Metallic Bonds:
A metallic bond is the force of attraction between a positive metal ion and the valence electrons it shares with other ions of the metal. The positive ions form a lattice-like structure. You can see an example in Figure 7.13. (For an animated version, go to the URL b... |
NDQ_015681 | Metal ions are surrounded by a sea of | a. electrons, b. positive ions, c. negative ions, d. positive charges | a | Lesson: metallic bonds
Formation of Metallic Bonds:
A metallic bond is the force of attraction between a positive metal ion and the valence electrons it shares with other ions of the metal. The positive ions form a lattice-like structure. You can see an example in Figure 7.13. (For an animated version, go to the URL b... |
NDQ_015682 | An alloy of iron and carbon is | a. more likely to rust than pure iron, b. weaker than pure iron, c. a mixture of two metals, d. known as steel | d | Lesson: metallic bonds
Formation of Metallic Bonds:
A metallic bond is the force of attraction between a positive metal ion and the valence electrons it shares with other ions of the metal. The positive ions form a lattice-like structure. You can see an example in Figure 7.13. (For an animated version, go to the URL b... |
NDQ_015683 | The alloy that contains iron, carbon, nickel, and chromium is called | a. stainless steel, b. bronze, c. brass, d. gol | a | Lesson: metallic bonds
Formation of Metallic Bonds:
A metallic bond is the force of attraction between a positive metal ion and the valence electrons it shares with other ions of the metal. The positive ions form a lattice-like structure. You can see an example in Figure 7.13. (For an animated version, go to the URL b... |
NDQ_015686 | type of ion a metal forms | a. alloy, b. metallic bond, c. metal, d. cation, e. iron, f. steel, g. metallic lattice | d | Lesson: metallic bonds
Formation of Metallic Bonds:
A metallic bond is the force of attraction between a positive metal ion and the valence electrons it shares with other ions of the metal. The positive ions form a lattice-like structure. You can see an example in Figure 7.13. (For an animated version, go to the URL b... |
NDQ_015687 | structure formed by metallic bonding | a. alloy, b. metallic bond, c. metal, d. cation, e. iron, f. steel, g. metallic lattice | g | Lesson: metallic bonds
Formation of Metallic Bonds:
A metallic bond is the force of attraction between a positive metal ion and the valence electrons it shares with other ions of the metal. The positive ions form a lattice-like structure. You can see an example in Figure 7.13. (For an animated version, go to the URL b... |
NDQ_015690 | example of an alloy | a. alloy, b. metallic bond, c. metal, d. cation, e. iron, f. steel, g. metallic lattice | f | Lesson: metallic bonds
Formation of Metallic Bonds:
A metallic bond is the force of attraction between a positive metal ion and the valence electrons it shares with other ions of the metal. The positive ions form a lattice-like structure. You can see an example in Figure 7.13. (For an animated version, go to the URL b... |
NDQ_015692 | any element that is a good conductor of electricity | a. alloy, b. metallic bond, c. metal, d. cation, e. iron, f. steel, g. metallic lattice | c | Lesson: metallic bonds
Formation of Metallic Bonds:
A metallic bond is the force of attraction between a positive metal ion and the valence electrons it shares with other ions of the metal. The positive ions form a lattice-like structure. You can see an example in Figure 7.13. (For an animated version, go to the URL b... |
NDQ_015693 | A metallic bond may form between a metal and any other element. | a. true, b. false | b | Lesson: metallic bonds
Formation of Metallic Bonds:
A metallic bond is the force of attraction between a positive metal ion and the valence electrons it shares with other ions of the metal. The positive ions form a lattice-like structure. You can see an example in Figure 7.13. (For an animated version, go to the URL b... |
NDQ_015694 | example of a metal | a. alloy, b. metallic bond, c. metal, d. cation, e. iron, f. steel, g. metallic lattice | e | Lesson: metallic bonds
Formation of Metallic Bonds:
A metallic bond is the force of attraction between a positive metal ion and the valence electrons it shares with other ions of the metal. The positive ions form a lattice-like structure. You can see an example in Figure 7.13. (For an animated version, go to the URL b... |
NDQ_015695 | Metals can be shaped into thin sheets. | a. true, b. false | a | Lesson: metallic bonds
Formation of Metallic Bonds:
A metallic bond is the force of attraction between a positive metal ion and the valence electrons it shares with other ions of the metal. The positive ions form a lattice-like structure. You can see an example in Figure 7.13. (For an animated version, go to the URL b... |
NDQ_015696 | mixture of a metal with one or more other elements | a. alloy, b. metallic bond, c. metal, d. cation, e. iron, f. steel, g. metallic lattice | a | Lesson: metallic bonds
Formation of Metallic Bonds:
A metallic bond is the force of attraction between a positive metal ion and the valence electrons it shares with other ions of the metal. The positive ions form a lattice-like structure. You can see an example in Figure 7.13. (For an animated version, go to the URL b... |
NDQ_015697 | Metal ions are surrounded by a sea of positive charge. | a. true, b. false | b | Lesson: metallic bonds
Formation of Metallic Bonds:
A metallic bond is the force of attraction between a positive metal ion and the valence electrons it shares with other ions of the metal. The positive ions form a lattice-like structure. You can see an example in Figure 7.13. (For an animated version, go to the URL b... |
NDQ_015698 | force of attraction between a metal ion and valence electrons it shares with other ions of the metal | a. alloy, b. metallic bond, c. metal, d. cation, e. iron, f. steel, g. metallic lattice | b | Lesson: metallic bonds
Formation of Metallic Bonds:
A metallic bond is the force of attraction between a positive metal ion and the valence electrons it shares with other ions of the metal. The positive ions form a lattice-like structure. You can see an example in Figure 7.13. (For an animated version, go to the URL b... |
NDQ_015699 | Special bonds form in metals that do not form in other classes of elements. | a. true, b. false | a | Lesson: metallic bonds
Formation of Metallic Bonds:
A metallic bond is the force of attraction between a positive metal ion and the valence electrons it shares with other ions of the metal. The positive ions form a lattice-like structure. You can see an example in Figure 7.13. (For an animated version, go to the URL b... |
NDQ_015700 | Bronze has been used for thousands of years. | a. true, b. false | a | Lesson: metallic bonds
Formation of Metallic Bonds:
A metallic bond is the force of attraction between a positive metal ion and the valence electrons it shares with other ions of the metal. The positive ions form a lattice-like structure. You can see an example in Figure 7.13. (For an animated version, go to the URL b... |
NDQ_015701 | Brass is an alloy of iron and copper. | a. true, b. false | b | Lesson: metallic bonds
Formation of Metallic Bonds:
A metallic bond is the force of attraction between a positive metal ion and the valence electrons it shares with other ions of the metal. The positive ions form a lattice-like structure. You can see an example in Figure 7.13. (For an animated version, go to the URL b... |
NDQ_015702 | A metallic lattice is more rigid than an ionic crystal. | a. true, b. false | b | Lesson: metallic bonds
Formation of Metallic Bonds:
A metallic bond is the force of attraction between a positive metal ion and the valence electrons it shares with other ions of the metal. The positive ions form a lattice-like structure. You can see an example in Figure 7.13. (For an animated version, go to the URL b... |
NDQ_015703 | Metallic bonds explain some of the unique properties of metals. | a. true, b. false | a | Lesson: metallic bonds
Formation of Metallic Bonds:
A metallic bond is the force of attraction between a positive metal ion and the valence electrons it shares with other ions of the metal. The positive ions form a lattice-like structure. You can see an example in Figure 7.13. (For an animated version, go to the URL b... |
NDQ_015704 | Metal ions form bonds with the valence electrons around them. | a. true, b. false | a | Lesson: metallic bonds
Formation of Metallic Bonds:
A metallic bond is the force of attraction between a positive metal ion and the valence electrons it shares with other ions of the metal. The positive ions form a lattice-like structure. You can see an example in Figure 7.13. (For an animated version, go to the URL b... |
NDQ_015705 | Examples of metals include iron, zinc, and carbon. | a. true, b. false | b | Lesson: metallic bonds
Formation of Metallic Bonds:
A metallic bond is the force of attraction between a positive metal ion and the valence electrons it shares with other ions of the metal. The positive ions form a lattice-like structure. You can see an example in Figure 7.13. (For an animated version, go to the URL b... |
NDQ_015706 | A metallic lattice is held together by ionic bonds. | a. true, b. false | b | Lesson: metallic bonds
Formation of Metallic Bonds:
A metallic bond is the force of attraction between a positive metal ion and the valence electrons it shares with other ions of the metal. The positive ions form a lattice-like structure. You can see an example in Figure 7.13. (For an animated version, go to the URL b... |
NDQ_015707 | Iron is stronger than steel. | a. true, b. false | b | Lesson: metallic bonds
Formation of Metallic Bonds:
A metallic bond is the force of attraction between a positive metal ion and the valence electrons it shares with other ions of the metal. The positive ions form a lattice-like structure. You can see an example in Figure 7.13. (For an animated version, go to the URL b... |
NDQ_015708 | Most metal objects are made of alloys. | a. true, b. false | a | Lesson: metallic bonds
Formation of Metallic Bonds:
A metallic bond is the force of attraction between a positive metal ion and the valence electrons it shares with other ions of the metal. The positive ions form a lattice-like structure. You can see an example in Figure 7.13. (For an animated version, go to the URL b... |
NDQ_015709 | Bronze is a compound of copper and tin. | a. true, b. false | b | Lesson: metallic bonds
Formation of Metallic Bonds:
A metallic bond is the force of attraction between a positive metal ion and the valence electrons it shares with other ions of the metal. The positive ions form a lattice-like structure. You can see an example in Figure 7.13. (For an animated version, go to the URL b... |
NDQ_015710 | Gold jewelry is usually made of pure gold. | a. true, b. false | b | Lesson: metallic bonds
Formation of Metallic Bonds:
A metallic bond is the force of attraction between a positive metal ion and the valence electrons it shares with other ions of the metal. The positive ions form a lattice-like structure. You can see an example in Figure 7.13. (For an animated version, go to the URL b... |
NDQ_015718 | Which of the following changes is a chemical change? | a. ice melting, b. wax melting, c. water boiling, d. wax burning | d | Lesson: introduction to chemical reactions
What Is a Chemical Reaction:
A chemical reaction is a process in which some substances change into different substances. Substances that start a chemical reaction are called reactants. Substances that are produced in the reaction are called products. Reactants and products ca... |
NDQ_015719 | Most chemical reactions take place in labs. | a. true, b. false | b | Lesson: introduction to chemical reactions
What Is a Chemical Reaction:
A chemical reaction is a process in which some substances change into different substances. Substances that start a chemical reaction are called reactants. Substances that are produced in the reaction are called products. Reactants and products ca... |
NDQ_015720 | All changes in matter involve chemical reactions. | a. true, b. false | b | Lesson: introduction to chemical reactions
What Is a Chemical Reaction:
A chemical reaction is a process in which some substances change into different substances. Substances that start a chemical reaction are called reactants. Substances that are produced in the reaction are called products. Reactants and products ca... |
NDQ_015721 | Which statement is true of all chemical reactions? | a. They can go in just one direction, b. They occur only in science labs, c. They break and reform bonds, d. They create new elements | c | Lesson: introduction to chemical reactions
What Is a Chemical Reaction:
A chemical reaction is a process in which some substances change into different substances. Substances that start a chemical reaction are called reactants. Substances that are produced in the reaction are called products. Reactants and products ca... |
NDQ_015722 | Evaporation is an example of a chemical change. | a. true, b. false | b | Lesson: introduction to chemical reactions
What Is a Chemical Reaction:
A chemical reaction is a process in which some substances change into different substances. Substances that start a chemical reaction are called reactants. Substances that are produced in the reaction are called products. Reactants and products ca... |
NDQ_015723 | Reactants and products in chemical reactions may be | a. elements, b. compounds, c. exactly the same compounds, d. two of the above | d | Lesson: introduction to chemical reactions
What Is a Chemical Reaction:
A chemical reaction is a process in which some substances change into different substances. Substances that start a chemical reaction are called reactants. Substances that are produced in the reaction are called products. Reactants and products ca... |
NDQ_015724 | All chemical changes in matter involve | a. changes of state, b. chemical reactions, c. changes in color, d. two of the above | b | Lesson: introduction to chemical reactions
What Is a Chemical Reaction:
A chemical reaction is a process in which some substances change into different substances. Substances that start a chemical reaction are called reactants. Substances that are produced in the reaction are called products. Reactants and products ca... |
NDQ_015725 | Reactants and products can be elements or compounds. | a. true, b. false | a | Lesson: introduction to chemical reactions
What Is a Chemical Reaction:
A chemical reaction is a process in which some substances change into different substances. Substances that start a chemical reaction are called reactants. Substances that are produced in the reaction are called products. Reactants and products ca... |
NDQ_015726 | Chemical reactions may occur quickly or slowly. | a. true, b. false | a | Lesson: introduction to chemical reactions
What Is a Chemical Reaction:
A chemical reaction is a process in which some substances change into different substances. Substances that start a chemical reaction are called reactants. Substances that are produced in the reaction are called products. Reactants and products ca... |
NDQ_015727 | Which statement is true about a precipitate? | a. It is a solid, b. It settles out of a liquid solution, c. It is evidence of a chemical reaction, d. all of the above | d | Lesson: introduction to chemical reactions
What Is a Chemical Reaction:
A chemical reaction is a process in which some substances change into different substances. Substances that start a chemical reaction are called reactants. Substances that are produced in the reaction are called products. Reactants and products ca... |
NDQ_015728 | Some chemical reactions can proceed in just one direction. | a. true, b. false | a | Lesson: introduction to chemical reactions
What Is a Chemical Reaction:
A chemical reaction is a process in which some substances change into different substances. Substances that start a chemical reaction are called reactants. Substances that are produced in the reaction are called products. Reactants and products ca... |
NDQ_015731 | An example of a chemical change is water boiling. | a. true, b. false | b | Lesson: introduction to chemical reactions
What Is a Chemical Reaction:
A chemical reaction is a process in which some substances change into different substances. Substances that start a chemical reaction are called reactants. Substances that are produced in the reaction are called products. Reactants and products ca... |
NDQ_015732 | Freezing involves a chemical reaction. | a. true, b. false | b | Lesson: introduction to chemical reactions
What Is a Chemical Reaction:
A chemical reaction is a process in which some substances change into different substances. Substances that start a chemical reaction are called reactants. Substances that are produced in the reaction are called products. Reactants and products ca... |
NDQ_015735 | A banana turning brown is a chemical change. | a. true, b. false | a | Lesson: introduction to chemical reactions
What Is a Chemical Reaction:
A chemical reaction is a process in which some substances change into different substances. Substances that start a chemical reaction are called reactants. Substances that are produced in the reaction are called products. Reactants and products ca... |
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