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

    Jan 5, 2026 · 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 of that …

  2. 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 composed of more …

  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 between a molecules, …

  4. 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.

  5. 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.

  6. 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 of molecule …

  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, a …

  8. 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.

  9. What is Molecule: Types, Examples - Scienly

    Feb 12, 2026 · 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 more atoms …

  10. 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 chemical …