What Does Valence Mean?


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Aun Jafery Profile
Aun Jafery answered
The term valence is used in biology to define the relative capacity to either unite or to react or to interact, as with antigens or with a biological substitute. In chemistry, the term valence refers to one of the properties of atoms or radicals. The word valence, when used in the context of chemistry, is defined as the combining power of atoms or radicals. It is expressed in terms of the number of atoms of hydrogen which are present in the element, or the equivalent thereof.

Valence is the name of a commune which is located in the southeastern part of France. It is the capital city of the departement of Drome. It is situated on the left bank of the River Rhone. It is located at a distance of about 65 miles to the south of the city of Lyon on the railway that leads to the city of Marseille. It was formerly known as the duchy of Valentinois and ruled by the Duke of Valentinois. It is a title which is still claimed by the Sovereign Prince of Monaco, despite the fact that he has no administrative control over the area.
Osborne Zuze Profile
Osborne Zuze answered
In chemistry it refers to the electrons in the outer most shell f an element.These electrons take part in bonding e.g(Hydrogen,it has one valence electron).The group number of an element on the periodic table,is also the valency number of the element in that group e.g(Group 7 elements have a valency of 7)
amber Jhon Profile
amber Jhon answered
In chemistry the term valence is also used as valency or valency number. It shows the number of chemical bonds formed by atoms. It shows the combining capacity of an atom with another atom. All atoms have to complete their outermost shells according to the law of duplet (two electrons) or octet (8 electrons). If an atom loses one electron to complete its shell then it gets the valence number of +1 and if an atom gains 1 electron then its valence number becomes -1. The number of electrons taken or given is known as valence number and the sign of valency depends upon the capacity to give or take. If an atom takes electron then its valency is negative and if it gives electron then its valency is positive.

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