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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

    Nov 15, 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. 3.2: The Building Blocks of Molecules - Biology LibreTexts

    When this happens, a weak interaction occurs between the δ+ charge of the hydrogen atom of one molecule and the δ– charge of the other molecule. This interaction is called a hydrogen …

  5. Molecule: Definition, Examples, Facts & Diagram

    Feb 2, 2023 · The difference is that a molecule is a group of two or more atoms held together by chemical bonds. In contrast, a compound is a substance formed by two or more different types …

  6. MOLECULE Definition & Meaning - Merriam-Webster

    The meaning of MOLECULE is the smallest particle of a substance that retains all the properties of the substance and is composed of one or more atoms. How to use molecule in a sentence.

  7. What is a Molecule? - Chemistry Overview (Video)

    Nov 28, 2025 · When atoms share electrons, they form covalent bonds; the resulting collection of bonded atoms is what we call a molecule. Just like an atom is the smallest unit of an element, …

  8. 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 …

  9. Molecules - Definition, Types, Characteristics, Shapes

    Jul 5, 2024 · What Is Molecule? A molecule is a group of two or more atoms bonded together, forming the smallest unit of a chemical compound that retains its chemical properties. Atoms in …

  10. Molecules in Chemistry: Types, Structure & Importance - Vedantu

    In chemistry, a molecule is defined as the smallest particle of a pure substance that can exist independently and retain its chemical properties. It consists of two or more atoms held …