In physics and chemistry, "monatomic" is a combination of the words "mono" and "atomic", and means "single atom ". It is usually applied to gases: a monatomic gas is a gas in which atoms …

Jun 9, 2025 · Learn what monatomic elements are, get examples of them, and understand why an atom might exist in monoatomic form.

Monatomic gas, gas composed of particles (molecules) that consist of single atoms, such as helium or sodium vapour, and in this way different from diatomic, triatomic, or, in general, …

The meaning of MONATOMIC is consisting of one atom; especially : having but one atom in the molecule.

A monatomic element is one whose stable, natural form consists of a single, unbonded atom. The term “monatomic” derives from “mono,” meaning one, and “atomic,” referring to the atom. …

Jul 13, 2021 · A monatomic ion is an ion with only one atom. A monatomic ion is an ion made of exactly one atom. In other words, it is an atom that has an unequal number of protons and …

Add to word list chemistry having only one atom or group of atoms that can be replaced in a chemical reaction (Definition of monatomic from the Cambridge Academic Content Dictionary …

These multi-atom combinations are called molecules. A molecule is the smallest part of a substance that has the physical and chemical properties of that substance. In some respects, …

May 21, 2024 · In chemistry, the term "monatomic" often refers to a state when elements occur in the form of single atoms that are not bound to other atoms. This occurs mostly with gases, and …

Monatomic compounds are made of a single atom, whereas diatomic compounds are made of molecules with two atoms. This is the primary distinction between monatomic and diatomic …