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Sep 13, 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.
- The Editors of Encyclopaedia Britannica
A molecule is a group of two or more atoms held together by chemical bonds. Learn about the origin and evolution of the concept of molecules, from ancient philosophers to modern scientists, and see images of different types of molecules.
Sep 12, 2020 · A molecule is an electrically neutral group of atoms held together by chemical bonds. Learn the difference between a molecule and a compound, an ion, and an alloy, and see examples of molecules of different types.
MOLECULE definition: 1. the simplest unit of a chemical substance, usually a group of two or more atoms 2. the simplest…. Learn more.
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.
- Anne Marie Helmenstine, Ph.D.
Learn the meaning of molecule as the smallest particle of a substance with all its properties and composed of atoms. See synonyms, examples, word history, and related articles.
Apr 28, 2017 · A molecule is two or more atoms bonded together to form a single chemical entity. Each atom carries a certain number of electrons that orbit around the nucleus. The nucleus consists of protons and neutrons, of different numbers in different elements.
