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Which statement is true about a polyatomic ion? |
c. It is made of atoms that are covalently bonded together. |
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Which statement is true about ionic compounds? |
c. They are made up of particles that are arranged in a repeating pattern. |
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Each model shows bonding between a pair of atoms. |
c. Model A shows the sharing of electrons, and model B shows the formation of ions. |
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Which property best indicates that a compound contains an ionic bond? |
d. It conducts electricity when molten. |
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Which statement indicates that a substance may be an ionic compound? |
d. It is made up of a crystal lattice. |
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Which statement best describes how an ionic bond forms? |
b. The transfer of electrons forms strong bonds between ions. |
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Which pair of elements will form an ionic bond? |
b. K and Br |
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Which property is best to use when determining the strength of an ionic bond in a solid? |
a. lattice energy |
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The table lists the lattice energies of some compounds. |
a. The lattice energy increases as cations get smaller, as shown by LiF and KF. |
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Which of these best describes an ionic bond? |
c. a force that holds two oppositely charged ions together |
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Which chemical species can easily form an ionic bond with a cation? |
d. PO43- |
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Which statement is true about crystal lattice energy? |
It is a measure of the strength of the bonds between ions |
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Which compound has the highest melting point? |
Al2(CO3) |
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Which describes a step in the process of forming an ionic bond? |
A metal atom loses electrons and becomes a positive ion. |
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