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3
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an electron in the highest occupied energy level of an atom
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4
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the number of ions of opposite charge that surround each ion in a crystal
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5
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a compound composed of positive and negative ions
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6
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the lowest whole-number ratio of ions in an ionic compound
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7
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atoms react by gaining or losing electrons so as to acquire the stable electron structure of a noble gas, usually eight valence electrons
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8
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an expression that indicates the number and type of atoms present in the smallest representative unit of a substance
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10
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the force of attraction that holds metals together; it consists of the attraction of free-floating valence electrons for positively charged metal ions
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1
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a negative ion formed when a halogen atom gains an electron
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2
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a notation that depicts valence electrons as dots around the atomic symbol of the element
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9
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a mixture composed of two or more elements, at least one of which is a metal
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11
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the electrostatic attraction that binds oppositely charged ions together
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