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

    Mar 13, 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. What Is a Molecule? Definition and Examples - Science Notes and …

    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, …

  3. Molecule - Wikipedia

    Refined over time by scientists such as Robert Boyle, Amedeo Avogadro, Jean Perrin, and Linus Pauling, the study of molecules is today known as molecular physics or molecular chemistry.

  4. Definition and Examples of a Molecule - ThoughtCo

    Sep 3, 2024 · Here's an explanation of what a molecule is (and is not) with examples of common molecules. A molecule is two or more atoms that form chemical bonds with each other, representing …

  5. Molecule - Definition and Examples - Biology Online Dictionary

    Sep 8, 2023 · Two or more atoms, same or different, held together by attractive forces form a molecule. The attractive force between the atoms is the chemical bond. Learn more and take the quiz!

  6. Molecule: Definition, Examples, Facts & Diagram - Science Facts

    Feb 2, 2023 · The geometry and arrangement of atoms in a molecule determine the chemical and physical properties of a molecule. Molecules have a wide range of shapes like long spiral, pyramidal, …

  7. 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.

  8. What Is a Molecule? Definition and Examples - Biology Insights

    Dec 23, 2025 · All matter in the universe is built from fundamental units called molecules. These microscopic structures are the smallest particles of a substance that still retain its distinct physical …

  9. Definition of molecule - Chemistry Dictionary - chemicool.com

    What is a Molecule? A molecule is a particle made up of two or more atoms that are chemically bonded together; the number of atomic nuclei making up a molecule is a determinate number.

  10. 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 …