chemical reaction


chemical reaction
A process in which one or more substances, the reactantA substance consumed by a chemical reaction. or reactants, change into one or more different substances, the products; chemical changeA process in which one or more substances, the reactant or reactants, change into one or more different substances, the products; chemical change involves rearrangement, combination, or separation of atoms. Also referred to as chemical reaction. involves rearrangement, combination, or separation of atomsThe smallest particle of an element that can be involved in chemical combination with another element; an atom consists of protons and neutrons in a tiny, very dense nucleus, surrounded by electrons, which occupy most of its volume.. Also called chemical change.