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  1. Chemical compound | Definition, Examples, & Types | Britannica

    Nov 11, 2025 · All the matter in the universe is composed of the atoms of more than 100 different chemical elements, which are found both in pure form and combined in chemical compounds.

  2. What Is a Compound in Chemistry? Definition and Examples

    Oct 24, 2020 · In chemistry, a compound is a substance made of two or more elements chemically bonded to each other in a fixed ratio. The chemical bonds between atoms of elements involve a …

  3. Chemical compound - Wikipedia

    A chemical compound is a chemical substance composed of many identical molecules (or molecular entities) containing atoms from more than one chemical element held together by chemical bonds. A …

  4. Compound: Definition, Properties, Types, and Examples

    A chemical compound is a pure substance made of two or more different elements that are chemically combined in a fixed ratio. The atoms in a compound are bonded together by strong chemical bonds, …

  5. Elements, compounds and mixtures - BBC Bitesize

    Learn about elements, compounds and mixtures in this KS3 Chemistry guide from BBC Bitesize.

  6. What Are Compounds and How Do They Form? - ScienceInsights

    Sep 20, 2025 · In a compound, atoms are chemically bonded in fixed ratios, forming a new substance with unique properties. For example, water (H₂O) is a compound because hydrogen and oxygen …

  7. What is Compound: Types, Properties, Example - Scienly

    Nov 15, 2025 · Definition of compound: In chemistry, a compound is a pure substance that is composed of two, or more different elements, chemically combined with one another in a definite ratio.