The Ionic Model

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Chemical bonds

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The attraction between atoms that allows the formation of chemical substances containing two or more atoms.

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Ions

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Atoms or molecules that have gained or lost one or more of their valence electrons, giving them a net positive or negative charge.

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Ionic compounds

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Compounds composed of ions held together in a lattice structure by ionic bonds.

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Cation

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A positively charged ion.

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Anion

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A negatively charged ion.

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Isoelectronic

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Having the same number of electrons or the same electronic structure.

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Oxidation

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The process of losing electrons during a chemical reaction.

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Reduction

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The process of gaining electrons during a chemical reaction.

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Redox

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A type of chemical reaction that involves a transfer of electrons between two species.

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Oxidation states

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A number assigned to an element in chemical combination which represents the number of electrons lost or gained.