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Chemical reaction

Law of Conservation states that matter cannot be created or destroyed during a chemical reaction. The mass of the reactants is equal to the mass of the products.
Chemical reaction occurs when the original substance changes form into a new substance. May include bubbles, smoke, a strong smell, color change, temperature change, or a sizzling sound.
Chemical equation A written representation of a chemical reaction, in which the symbols and amounts of the reactants are separated from those of the products by an equal sign, arrow, or a set of opposing arrows.
coefficient The number in front of an element in a chemical equation.
subscript used in chemical formulas to indicate the number of atoms of each type in the compound.
Reactant a substance that participates in a chemical reaction. a substance that is present at the start of the reaction.
Product a substance that is formed as the result of a chemical reaction.
Created by: meekinsscience