Entity: MOLECULE
A molecule is the smallest particle of a substance that retains all the properties of the substance and is composed of one or more atoms. It is the fundamental unit of chemical compounds.
MOLECULE
Etymology
The word 'molecule' is derived from French 'molécule' (1678), from Neo-Latin 'molecula', a diminutive of Latin 'moles' meaning 'mass, barrier'. It was popularized after being used in works of philosophy by Descartes.
Definition
A molecule is 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.
Historical Context
The definition of a molecule has evolved as knowledge of the structure of molecules has increased over time.
Cultural Significance
Molecules play a crucial role in chemistry and are the building blocks of all matter in the universe.
Related Concepts
- Atom
- Compound
- Chemical Bond
See Also
A fundamental unit of chemical compounds, a molecule is the smallest particle of a substance that retains all the properties of the substance and is composed of one or more atoms.