The substance(s) to the left of the arrow in a chemical equation are called reactants. A reactant is a substance that is present at the start of a chemical reaction. ... A product is a substance that is present at the end of a chemical reaction.

What is the difference between the reactants and the product?

The substance(s) to the left of the arrow in a chemical equation are called reactants. A reactant is a substance that is present at the start of a chemical reaction. The substance(s) to the right of the arrow are called products . A product is a substance that is present at the end of a chemical reaction.

What is the difference between a reactant and a product quizlet?

The reactants are the substances that start the chemical reaction. The products are the substances that are produced in the chemical reaction. Describe what happens to the atoms involved in a chemical reaction.