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  1. What Is a Reactant in Chemistry? Definition and Examples

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

  2. REACTANT Definition & Meaning - Merriam-Webster

    The meaning of REACTANT is a substance that enters into and is altered in the course of a chemical reaction.

  3. What is a Reactant? - ChemTalk

    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 …

  4. What Is a Reactant in Chemistry? - ThoughtCo

    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. …

  5. Chemical reaction | Definition, Equations, Examples, & Types

    Oct 10, 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 …

  6. What is a Reactant? - BYJU'S

    The substances which participate in a chemical reaction, are called reactants. A chemical reaction describes the process by which atoms, the fundamental building blocks of matter, rearrange …

  7. REACTANT | English meaning - Cambridge Dictionary

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

  8. What Are Reactants in Science? - California Learning Resource …

    Jan 4, 2025 · Reactants, often referred to interchangeably as reagents in specific contexts, are the starting materials in a chemical reaction. They undergo transformation at the atomic and …

  9. Definition of reactants - Chemistry Dictionary

    Reactants are substances initially present in a chemical reaction that are consumed during the reaction to make products. Some chemical reactions go to completion, resulting in all of the …

  10. Reactants - (Physical Science) - Vocab, Definition, Explanations

    Reactants are the starting substances in a chemical reaction that undergo transformation to form products. They are essential components of chemical equations and are typically found on the …