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 …

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 of that …

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 between a molecules, …

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 properties of the …

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.

Jan 10, 2026 · 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 you …

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.

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 …

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 properties.

In the kinetic theory of gases, the term molecule is often used for any gaseous particle regardless of its composition. According to this definition, noble gas atoms are considered molecules as they are in …