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  1. Molecule - Wikipedia

    A molecule may be homonuclear, that is, it consists of atoms of one chemical element, e.g. two atoms in the oxygen molecule (O 2); or it may be heteronuclear, a chemical compound …

  2. Molecule | Definition, Examples, Structures, & Facts | Britannica

    5 days ago · Molecule, a group of two or more atoms that form the smallest identifiable unit into which a pure substance can be divided and still retain the composition and chemical properties …

  3. What Is a Molecule? Definition and Examples

    Sep 12, 2020 · A molecule is defined as an electrically neutral group of two or more atoms connected by chemical bonds. Here are examples of molecules and a look at the difference …

  4. MOLECULE Definition & Meaning | Dictionary.com

    MOLECULE definition: the smallest physical unit of an element or compound, consisting of one or more like atoms in an element and two or more different atoms in a compound. See examples …

  5. Definition and Examples of a Molecule - ThoughtCo

    Sep 3, 2024 · Molecule Definition A molecule is two or more atoms that form chemical bonds with each other, representing the smallest unit of a chemical compound with all the physical and …

  6. Molecules - Chemistry Encyclopedia - structure, water, examples, …

    A molecule is the smallest entity of a pure compound that retains its characteristic chemical properties, and consequently has constant mass and atomic composition.

  7. What Are Molecules and How Are They Formed? - Biology Insights

    Jul 20, 2025 · A molecule is the smallest unit of a substance that can participate in a chemical reaction and a fundamental component of matter. You can think of molecules as words and …

  8. Molecule - New World Encyclopedia

    In chemistry, a molecule is an entity comprising two or more atoms held together by natural forces in a definite spatial arrangement. [1] The atoms are commonly joined together by shared pairs …

  9. What is Molecule: Types, Examples - Scienly

    Nov 15, 2025 · In this tutorial, we will understand what a molecule is, types of molecules, and the role it plays in our daily lives. What is a Molecule? In general, a molecule is a group of two or …

  10. Definition of molecule - Chemistry Dictionary

    Definition of molecule 1) The smallest particle of an element or compound capable of a stable, independent existence. 2) a complete chemical unit. While a molecule is often thought of as …