The definition of the molecule has evolved as knowledge of the structure of molecules has increased. Earlier definitions were less precise, defining molecules as the smallest particles of …

Jan 5, 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 …

Sep 12, 2020 · Get the definition of a molecule. See examples of molecules and learn the different between a molecule and a compound.

Feb 2, 2023 · All objects that we see around us are made of molecules. From living objects such as a plant or an animal, including humans, inanimate objects like a chair, table, wall, door, …

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, …

Nov 28, 2025 · Molecules are formed during a chemical reaction when bonds are broken and reformed between atoms. This is in contrast to when a covalent compound undergoes a …

5 days ago · Molecules form the basis for every physical and chemical process observed in the world. Understanding how these units are constructed and interact is foundational to chemistry …

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 …

Nov 15, 2025 · The chemical bond that binds atoms in molecules together is formed when two atoms share one or more electrons, and achieve a more stable configuration. Molecules can …

Molecules is a leading international, peer-reviewed, open access journal of chemistry published semimonthly online by MDPI.