Chpt. 6 Sec. 2

Term Definition
chemical reaction process where atoms or groups of atoms in substances regroup into different substances
chemical formulas describe the process of change substances in a chemical reaction using arrows
reactants starting substances on the left of the equation
products final substances on the right of the equation
arrow read as yields
balanced equations the number of atoms on the left of the equation equal number of atoms of the elements on the right of the equation
activation energy the minimum amount of energy required for reactants to form products

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