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Writing Chemical Reactions. Chemical reactions, or chemical changes, happen when the atoms in one or more chemicals split up and join together in new.
DO NOW List at least 10 items that you came in contact with before school today that contained a mineral.
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© 2014 Pearson Education, Inc. Christian Madu, Ph.D. Collin College Lecture Presentation Chapter 3 Molecules, Compounds, and Chemical Equations.
