A substance that cannot be broken down into any other substances by chemical or physical means.

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

A change in matter that produces a new substance

The process in which substances undergo chemical changes that results in the formation of new substances

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term	questions
elements	A substance that cannot be broken down into any other substances by chemical or physical means.
physical change	A change that alters the form or appearance of a material but does not make the material into another substance.
chemical change	A change in matter that produces a new substance
chemical reaction	The process in which substances undergo chemical changes that results in the formation of new substances