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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

    Oct 18, 2025 · 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, Examples, Facts & Diagram

    Feb 2, 2023 · What is a molecule in chemistry. Learn how it is formed. Also, learn about molecular compounds and formulas with examples, facts, and diagrams.

  5. Definition and Examples of a Molecule - ThoughtCo

    Sep 3, 2024 · 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 chemical …

  6. MOLECULE | English meaning - Cambridge Dictionary

    MOLECULE definition: 1. the simplest unit of a chemical substance, usually a group of two or more atoms 2. the simplest…. Learn more.

  7. What is Molecule | Types of Molecules, Example - Scienly

    Mar 10, 2025 · In general, a molecule is a group of two or more atoms that are chemically bonded together. It is formed when two or more atoms of the same elements or of different elements …

  8. What Is a Molecule? | Office for Science and Society - McGill …

    May 21, 2025 · Molecules are the fundamental components of matter. They are made up of atoms, which in turn are composed of even smaller particles called protons, neutrons, and …

  9. What Is a Molecule? A Breakdown of Its Concept, Structure, and …

    Jul 9, 2025 · A molecule is best described as a stable aggregation of atoms bonded together, often electrically neutral, representing the smallest unit of a substance that retains its chemical …

  10. molecule - Wiktionary, the free dictionary

    1 day ago · molecule (plural molecules or moleculae or moleculæ) (chemistry) The smallest particle of a specific element or compound that retains the chemical properties of that element …