Valence

Valence or valency may refer to:

Science

• Valence (psychology), the emotional value associated with a stimulus
• Valence (pharmacology), efficacy (of certain vaccines and antitoxins)

In several fields the valence of an element refers to the number of elements to which it can connect:

• Valence (chemistry), the valence of an atom
• Valency (linguistics), the valence of a verb
• Degree (graph theory), also called the valency of a vertex in graph theory

Places

France

• Valence, Charente, a commune in the Charente department
• Valence, Drôme, a commune and prefecture of the Drôme department
  • University of Valence, a medieval university
• Valence, Tarn-et-Garonne, a commune in the Tarn-et-Garonne department
• Canton of Valence, Tarn-et-Garonne department
• Arrondissement of Valence, Drôme department
• Roman Catholic Diocese of Valence
• Valence-d'Albigeois, in the Tarn department
• Valence-en-Brie, in the Seine-et-Marne department
• Valence-sur-Baïse, in the Gers department

England

• River Valency, Cornwall

People

• Amasio Valence (born 1979), Fijian rugby union player
• Maurice Valency (1903-1996), American playwright, author, critic and professor
• Aymer de Valence (bishop) (c. 1222-1260), Bishop of Winchester
• William de Valence, 1st Earl of Pembroke (3rd Creation) (1225 to 1230-1296), French nobleman who played an important role in English politics
• Warnakulasurya Wadumestrige Devasritha Valence Mendis, (born 1958), 4th Bishop of Chilaw

Other uses

• Valence Technology, an American battery manufacturer

See also

• Valance (disambiguation)
• Valencia (disambiguation)
• Valença (disambiguation)
• Valentia (disambiguation)
• Valenza (disambiguation)
• Polyvalence (disambiguation)