The starting substances in a chemical reaction are called reactants - they are written on the left side of a chemical equation.
Animals, plants, Humans
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Answer:
To tell if something is an acid or a base, you can use a chemical called an indicator. An indicator changes color when it encounters an acid or base. There are many different types of indicators, some that are liquids and others that are concentrated on little strips of "litmus" paper.
Explanation:
Its going to be 2.81 x 1023 atoms
