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| A mixture composed of two or more elements; one of which is a metal |
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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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Definition
| The number of ions of opposite charge that surround each ion in a crystal |
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| A solid in which the atoms, ions, or molecules are arranged in an orderly, repeating, 3D pattern-called a crystal lattice |
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Definition
| A notation that depicts valence electrons as dots around the atomic symbol of hte element |
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| The lowest whole-number ratio of ions in an ionic compound |
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Definition
| A negative ion formed when a halogen atom gains an electron |
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Definition
| The electrostatic attration that binds oppositely charged ions together |
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Definition
| A compound composed of positive and negative ions |
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Definition
| The force of attraction that holds metals together |
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| Atoms react by gaining or losing electrons so as to acquire that stable electron structure of a noble gas, usually 8 valence electrons |
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Definition
| An electron in the highest occupied energy level of an atom |
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