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A chemical change involves a change in ________. A chemical change involves a change in ________. phase the elements of a molecule how atoms are bonded all of the above

Respuesta :

Answer:

All of the above.

Explanation:

Chemical changes occur when a substance combines with another to form a new substance, called chemical synthesis or, alternatively, chemical decomposition into two or more different substances.

This process is not reversible and a change of energy that is sometimes heat is given off.