
Molecule - 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 …
Molecule | Definition, Examples, Structures, & Facts | Britannica
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 …
What Is a Molecule? Definition and Examples
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 …
MOLECULE Definition & Meaning | Dictionary.com
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 …
Definition 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 …
What Are Molecules and How Do They Form? - Biology Insights
4 days ago · A molecule is the smallest particle of a substance that still retains its unique chemical properties. This microscopic unit is the fundamental building block of all matter, from the air …
MOLECULE | 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.
Definition of molecule - Chemistry Dictionary
What is a Molecule? A molecule is a particle made up of two or more atoms that are chemically bonded together; the number of atomic nuclei making up a molecule is a determinate number.
What is Molecule: Types, Examples - Scienly
Nov 15, 2025 · In general, a molecule is a group of two or more atoms that are chemically bonded together. It is formed when two or more atoms of the same elements or of different elements …
MOLECULE Definition & Meaning - Merriam-Webster
Jan 9, 2015 · The meaning of MOLECULE is the smallest particle of a substance that retains all the properties of the substance and is composed of one or more atoms. How to use molecule …