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15 Cards in this Set
- Front
- Back
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electron dot diagram |
A model of an atom in which dots represent valence electrons. |
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ion |
An atom that has a net positive or negative electric charge. |
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anion |
An ion with a negative charge. |
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cation |
An ion with a positive charge. |
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chemical bond |
The force that holds atoms or ions together as a unit. |
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ionic bond |
The bond that forms when electrons are transferred from one atom to another. |
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chemical formula |
A notation that shows what elements a compound contains and the ratio of the atoms or ions in the compound. |
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crystals |
Solids whose particles are arranged in a lattice structure. |
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covalent bond |
A chemical bond in which two atoms share a pair of valence electrons. |
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molecule |
A neutral group of atoms that are joined together by one or more covalent bonds. |
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polar covalent bond |
A bond in which electrons are not shared equally. |
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polyatomic ion |
A covalently bonded group of atoms that has a positive or negative charge and acts as a single unit. |
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metallic bond |
The attraction between a metal cation and the shared electrons that surround it. |
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alloy |
A mixture of two or more elements, at least one of which is a metal. |
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ionization energy |
The amount of energy used to remove an electron from an atom. |
