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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 composed of more …

  2. 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 …

  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. 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 the atoms that …

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

    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 properties.

  7. 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.

  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 more atoms …

  9. 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 …

  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 …