While the concepts and definitions of valence have been refined over the years, that described by Sidgwick remains the most useful and simple definition for covalent molecules: the valence of …

The meaning of VALENCE is the degree of combining power of an element as shown by the number of atomic weights of a monovalent element (such as hydrogen) with which the atomic …

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 …

Sep 30, 2018 · Valence, or Valency, describes how easily an atom or radical can combine with other chemical species.

Jul 23, 2025 · Valency of an element is a measure of an atom's ability to combine with other atoms to create molecules or chemical compounds. The characteristics of an element that …

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

It refers to the number of electrons in the outermost shell of an atom that are available for forming chemical bonds with other atoms. The valence of an atom is directly related to its position in …

valence in British English (ˈveɪləns ) noun chemistry 1. another name (esp US and Canadian) for valency

The valence is the combining capacity of an atom of a given element, determined by the number of hydrogen atoms that it combines with. In methane, carbon has a valence of 4; in ammonia, …

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 …