About 1,990,000 results
Open links in new tab
  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. 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.

  6. 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 …

  7. 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 …

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

    Aug 8, 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, …

  9. 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 …

  10. 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 …