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.

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

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, …

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, …

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 …

The term 'monatomic' comes from 'mono' (meaning one) and 'atomic' (meaning atom). These gases consist of single, independent particles, unlike diatomic or polyatomic gases where …

Monatomic is a combination of two words, “mono” and “atomic,” which means “a single atom.” There are many monatomic gases present in the atmosphere.

Monatomic refers to a substance that exists as individual, isolated atoms rather than molecules. This term is particularly relevant in the context of the noble gases, which are composed of …

Monatomic ions are formed by the addition or removal of electrons from an atom's valence shell. The two notations are therefore exchangeable for monatomic ions, but the Roman numerals …