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 …

Nov 15, 2025 · 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 · 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 …

Jul 9, 2025 · A molecule is best described as a stable aggregation of atoms bonded together, often electrically neutral, representing the smallest unit of a substance that retains its chemical …

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: 1. the simplest unit of a chemical substance, usually a group of two or more atoms 2. the simplest…. Learn more.

While all compounds are molecules, not all molecules are compounds. A molecule is formed when two or more atoms of an element chemically join together. If the types of atoms are …

Nov 28, 2025 · When atoms share electrons, they form covalent bonds; the resulting collection of bonded atoms is what we call a molecule. Just like an atom is the smallest unit of an element, …

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..

Feb 2, 2023 · What is a molecule in chemistry. Learn how it is formed. Also, learn about molecular compounds and formulas with examples, facts, and diagrams.