Sentence Examples


  • Group V.: N, trivalent and pentavalent, but divalent in nitric oxide; P, As, Sb, Bi, trivalent and pentavalent, the last being possibly divalent in BiO and BiC1 2.
  • These involve pentavalent nitrogen.
  • In general it is pentavalent, but divalent compounds are known.
  • Dissolved in hydrochloric acid at - 20°, it yields with solutions of the alkaline chlorides compounds of the type MC1 CrOC1 3, pointing to pentavalent chromium.
  • For these reasons, one must assume the existence of pentavalent nitrogen in the diazonium salts, in order to account for their basic properties.