Chemical Reactions

Front

A substance produced during a chemical reaction

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Product

Front

The simplest unit of a chemical compound that can exist; formed when two or more atoms join together chemically

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Molecule

Front

A chemical reaction or process that releases heat.

Back

Exothermic

Front

A chemical reaction or process that absorbs heat from the surroundings

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Endothermic

Front

The process by which one or more substances change to produce one or more different substances

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Chemical Reaction

Front

The starting materials in a chemical reaction

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Reactants

Front

A change that alters the form or appearance of a substance but does not make the substance into another substance

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Physical Change

Front

The law stating that mass is neither created nor destroyed in a chemical reaction

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Law of Conservation of Mass

Front

A reaction in which two or more substances combine to form a single product

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Synthesis Reaction

Front

A reaction in which a single compound breaks down into two or more simpler products

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Decomposition Reaction