trivalent

/trahy-vey-luhnt, triv-uh-luhnt/US // traɪˈveɪ lənt, ˈtrɪv ə lənt //UK // (traɪˈveɪlənt, ˈtrɪvələnt) //

三价,三价的,三价股,三价物

Definitions

adj.形容词 adjective

1
- : Chemistry. having a valence of three.
- : Immunology. having three binding sites, as certain antigens.

The trivalent hydroxides are too weak bases390 to form stable salts with so weak an acid as carbonic acid.
Triatomic, trī-a-tom′ik, adj. consisting of three atoms: trivalent.
Thus the oxide of the trivalent metal aluminium has the formula Al2O3.
The trivalent metals, which in addition to aluminium include also iron and chromium, are sometimes called the earth metals.
Write the general formula of an alum, representing an atom of an alkali metal by X and an atom of a trivalent metal by Y.