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Stoichiometry Word-Puzzle

Across
a process in which one or more substances are converted to one or more different substances
a substance that takes part in and undergoes change during a reaction.
The number of molecules of atoms present on reactant side are not equal to the number of molecules of atoms present on product side
a metric unit of mass equal to one thousandth of a kilogram
reactant in a chemical reaction that determines the amount of product that is formed
Down
reactant in a chemical reaction with a greater amount than necessary
substance that is formed as the result of a chemical reaction
the calculation of reactants and products in chemical reactions.
chemical reaction in which the mass and the charge are balanced on both sides of the reaction
corresponds to the mass of a substance that contains 6.023 x 1023 particles of the substance