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  1. Dictionary
    molecule
    /ˈmɒlɪkjuːl/

    noun

    • 1. a group of atoms bonded together, representing the smallest fundamental unit of a chemical compound that can take part in a chemical reaction.

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    More definitions, origin and scrabble points

  2. byjus.com › chemistry › atoms-and-moleculesAtoms & Molecules - Atom Definition, History, Structure of Atom...

    A molecule is defined as the smallest unit of a compound that contains the chemical properties of the compound. Molecules are made up of groups of atoms. Describing the structure of an atom, an atom is also sub-divided into smaller units. Protons, electrons, and neutrons are sub-particles of an atom.

  3. sciencenotes.org › what-is-a-molecule-definition-and-examplesWhat 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, compounds, and ions. Atom vs Molecule. An atom is the smallest unit of an element. All atoms of a single element contain the same number of protons.

  4. www.britannica.com › science › moleculeMolecule | Definition, Examples, Structures, & Facts | Britannica

    Oct 21, 2024 · 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 substance. Learn more about the properties and structures of molecules in this article.

  5. biologynotesonline.com › moleculeMolecule – Definition, Types, Characteristics, Examples

    Apr 1, 2024 · A molecule is a fundamental unit in the realm of chemistry, representing a group of two or more atoms bound together by chemical bonds. These bonds arise due to interactions between the electrons of the participating atoms. Delving deeper into the nature and significance of molecules: Basic Composition:

  6. en.wikipedia.org › wiki › MoleculeMolecule - 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 than one element, e.g. water (two hydrogen atoms and one oxygen atom; H 2 O).

  7. www.thoughtco.com › what-is-a-molecule-definition-examples-608506Definition and Examples of a Molecule - ThoughtCo

    Sep 3, 2024 · 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 properties of the compound. It doesn't matter if the atoms are the same or are different from each other.

  8. dictionary.cambridge.org › dictionary › englishMOLECULE | 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. www.biologyonline.com › dictionary › moleculeMolecule - Definition and Examples - Biology Online Dictionary

    Sep 8, 2023 · A molecule is the smallest unit of an element or compound, made up of two or more atoms held together by a strong chemical bond, which can be covalent, where electrons are shared, or ionic, where electrons are transferred..

  10. www.merriam-webster.com › dictionary › moleculeMolecule Definition & Meaning - Merriam-Webster

    1. : the smallest particle of a substance that retains all the properties (see property sense 1a) of the substance and is composed of one or more atoms (see atom sense 1a) a molecule of water. a molecule of oxygen. 2. : a tiny bit : particle. a molecule of political honesty Time.

  11. dictionary.cambridge.org › us › dictionaryMOLECULE | definition in the Cambridge English Dictionary

    MOLECULE meaning: 1. the simplest unit of a chemical substance, usually a group of two or more atoms 2. the simplest…. Learn more.