Nov 24, 2020 · Learn what a reactant is in chemistry. Get the definition and examples and learn how reactants differ from reagents.

Reactants are consumed when a chemical reaction takes place, and a reagent does not have to be consumed. An example of a reagent is a catalyst, which is a material that helps to speed up …

Aug 10, 2019 · Reactants are the starting materials in a chemical reaction. Reactants undergo a chemical change in which chemical bonds are broken and new ones formed to make products. …

Dec 1, 2025 · 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 meaning of REACTANT is a substance that enters into and is altered in the course of a chemical reaction.

Nov 30, 2025 · A chemical reaction is a process in which one or more substances, also called reactants, are converted to one or more different substances, known as products. Substances …

Jul 2, 2025 · At the core of any chemical reaction lies the transformation of one or more substances, the reactants, into different substances, the products. Reactants are the initial …

Reactants are changed into products by the reaction, and are written on the left side of a chemical equation. The words "reactant" and "reagent" are often used to mean the same things, even …

REACTANT definition: 1. a substance that is part of a chemical reaction 2. a substance that is part of a chemical…. Learn more.

Reactants interact with each other during the reaction to form new substances, called products. The term "reactant" is universally applicable across all subfields of chemistry, including organic …