Tetravalence

Te·trav'a·lence noun (Chemistry) The quality or state of being tetravalent; quadrivalence.
Found on http://www.encyclo.co.uk/webster/T/35

tetravalence

<chemistry> The quality or state of being tetravalent; quadrivalence. ... Source: Websters Dictionary ... (01 Mar 1998) ...
Found on http://www.mondofacto.com/facts/dictionary?tetravalence

Tetravalence

• (n.) The quality or state of being tetravalent; quadrivalence.
Found on http://thinkexist.com/dictionary/meaning/tetravalence/

Tetravalence

In chemistry, a tetravalence is the state of an atom with four electrons available for covalent chemical bonding in its valence (outermost electron shell). An example is methane (CH4): the tetravalent carbon atom forms a covalent bond with four hydrogen atoms. The carbon atom is called tetravalent because it forms 4 covalent bonds. A carbon atom h...
Found on http://en.wikipedia.org/wiki/Tetravalence
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