Having a chemical valence of two
\div"a*lent\ (?), a. [pref. di- + l. valens, valentis, p. pr. see valence.] (chem.) having two units of combining power; bivalent. cf. valence.
In chemistry, a divalent (sometimes bivalent) element, ion, functional group or molecule has a valence of two. Valency is the number of chemical bonds formed, which may be covalent, polar covalent or ionic.
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1. having a valence of two or having two valences
(pertainym) valence, valency
(classification) chemistry, chemical science
Having two units of combining power; bivalent. Cf. Valence.
Having a valence of two, such as the ferrous ion, Fe2+.
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