- 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 compared with that of the standard hydrogen atom. The chloride ion, Cl–, with a valence of one, has the capacity to unite with one atom of hydrogen or its equivalent, as in HCl or NaCl.
Origin of valence
Related Words for valencedemeanor, behavior, carriage, bearing, conduct, deportment, disposition, mien, poise, presence, power, attitude
Examples from the Web for valence
Historical Examples of valence
By the time we reach Valence, soon after mid-day, we have passed one barge only.The Roof of France
We leave them in the early morning and get down into the windy station at Valence.Another Sheaf
(p. 079) The agreeable and studious life at Valence was soon ended.
Arrived at Valence, he found that the old society had vanished.
He, Valence, knew Marie, and could not be mistaken in her identity.The Works of Edgar Allan Poe
Edgar Allan Poe
early 15c., "extract, preparation," from Latin valentia "strength, capacity," from valentem (nominative valens), present participle of valere "be strong" (see valiant). Meaning "combining power of an element" is recorded from 1884, from German Valenz (1868), from the Latin word.