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Erica.olfsonChe

QuestionAnswer
Physical Change A change that alters the form or appearance of a substance without changing the identity
Chemical change A change that occurs when substances become new substances with different properties
Chemical bonds The forces that hold atoms together in compounds. They share electrons. Valence electrons are responsible for chemical bonds.
Chemical reactions A process in which elements and compounds combine in new ways to form new substances.
Created by: Erica.olfson
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