1. trivalent - Noun
2. trivalent - Adjective
Having a valence of three; capable of being combined with, substituted for, or compared with, three atoms of hydrogen; -- said of triad atoms or radicals; thus, nitrogen is trivalent in ammonia.
Source: Webster's dictionaryAnother possible way to separate the trivalent actinides is via solvent extraction chromatography using bis-(2-ethylhexyl) phosphoric acid (abbreviated as HDEHP) as the stationary organic phase and nitric acid as the mobile aqueous phase. Source: Internet
Cation-exchange and solvent extraction studies led to the conclusion that mendelevium was a trivalent actinide with an ionic radius somewhat smaller than that of the previous actinide, fermium. Source: Internet
In mathematical terms, the structure of a fullerene is a trivalent convex polyhedron with pentagonal and hexagonal faces. Source: Internet
Its crystal lattice is isotypic with the oxides of most trivalent rare-earth metals. Source: Internet
It has a spinel -like structure similar to magnetite but uses one quadravalent and two divalent cations M 2 +2 M +4 O 4 instead of two trivalent and one divalent cations. Source: Internet
Its trivalent oxidation state is most stable in solids and aqueous solution where it induced pale pink color. Source: Internet