CH. 19 Definitions and Reaction Types

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Chemical Equation

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A way to describe a chemical reaction using chemical formulas and other symbols.

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Oxidation

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The loss of electrons.

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Catalyst

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Substance that speeds up a reaction without being permanently changed itself.

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Precipitate

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An insoluble compound that comes out of solution during a double replacement reaction.

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Decomposition

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Occurs when one substance breaks down, or decomposes, into two or more substances.

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Chemical Formula

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A representation of a substance using symbols for its constituent elements.

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Reduction

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The gain of electrons.

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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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Synthesis Reaction

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A type of reaction where two or more substances combine to form a new compound.