science

A change in _____ means that a chemical reaction has occurred.
A) the energy and mass
B) the kinds of atoms involved
C) the properties and identity of the reacting substances
D) the energy and kinds of atoms of the reacting substances

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  1. From Google:

    In a chemical change, the atoms in the reactants rearrange themselves and bond together differently to form one or more new products with different characteristics than the reactants. When a new substance is formed, the change is called a chemical change.

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  2. C) the properties and identity of the reacting substances

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