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 are not bound …

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

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 electrons. If there …

Oct 31, 2018 · The meaning of MONATOMIC is consisting of one atom; especially : having but one atom in the molecule.

Monatomic is a chemical term describing a substance whose molecules consist of only a single atom. The word combines the Greek prefix “mono-” (meaning one) and “atomic” (referring to an atom).

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, polyatomic gases.

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 © Cambridge …

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 compounds.

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, a molecule is similar …

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 all …