Valence (chemistry) In chemistry, the valence (US spelling) or valency (British spelling) of an atom is a measure of its combining capacity with other atoms when it forms chemical compounds or …

: the combining power of an atom as shown by the number of electrons in its outermost energy level that are lost, gained, or shared in the formation of chemical bonds.

valence, in chemistry, the property of an element that determines the number of other atoms with which an atom of the element can combine. Introduced in 1868, the term is used to express …

VALENCE meaning: the ability of an atom to combine with other atoms, measured by the number of electrons it will…. Learn more.

the quality that determines the number of atoms or groups with which any single atom or group will unite chemically. b. the relative combining capacity of an atom or group compared with that …

The Valence Shell Electron Repulsion (VSEPR) model can predict the structure of most molecules and polyatomic ions in which the central atom is a nonmetal; it also works for some …

Dec 25, 2025 · A valence diagram of methane showing that one carbon atom can combine with a maximum of four hydrogen atoms, or that it makes four electrons available to form covalent …

• In molecules with unpaired valence electrons, spin-spin coupling between valence and core electrons leads to further small splittings. • Bonding may be ionic or covalent, depending on …

va•lence (vā′ ləns), n. the quality that determines the number of atoms or groups with which any single atom or group will unite chemically. the relative combining capacity of an atom or group …

In chemistry, valence, also known as valency or valency number, is a measure of the number of chemical bonds formed by the atoms of a given element.