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Jun 17, 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 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).
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.
Apr 28, 2017 · Learn what a molecule is, how atoms bond to form molecules, and the different types of biological molecules. Explore the structure and functions of proteins, lipids, carbohydrates, and ATP with examples and diagrams.
A molecule is a collection of two or more atoms that are securely bound together by attractive forces or by chemical bonds. The term “atom” refers to the tiniest unit of matter that can be separated.
Jun 5, 2012 · Molecules is the leading international, peer-reviewed, open access journal of chemistry. Molecules is published semimonthly online by MDPI. The International Society of Nucleosides, Nucleotides & Nucleic Acids (IS3NA), the Spanish Society of Medicinal Chemistry (SEQT) and the International Society of Heterocyclic Chemistry (ISHC) are ...
