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14 Cards in this Set
- Front
- Back
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define Ion
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an electrically charged atom or group of atoms
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define Cation
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a positively charged ion
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define Anion
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a negatively charged ion
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define Ionization energy
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the energy required to remove one electron from a single atom in the gaseous state
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define Electron affinity
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the energy released on adding an electron to a single atom in the gaseous state
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define Ionic bond
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the electrical attractions between ions of opposite charge in a crystal
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define Ionic solid
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a crystalline solid held together by ionic bonds
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define Ionic compound
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a compound that contains ionic bonds
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define Polyatomic ion
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an ion that is composed of more than one atom
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define Formula unit
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the formula that identifies the smallest neutral unit of an ionic compound
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define Diatomic
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two atoms
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define Chemical bonds
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ionic bonds and covalent bonds (forces that hold atoms together)
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define Acid
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substance that provides H+ ions when dissolved in water
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define Base
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- a substance that provides OH- ions when dissolved in water
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