释义 |
nitrogen group
ni·tro·gen group (nī'trō-jen grūp), Five trivalent or quinquivalent elements the hydrogen compounds of which are basic and the oxyacids of which vary from monobasic to tetrabasic: nitrogen, phosphorus, arsenic, antimony, and bismuth.ni·tro·gen group (nī'trŏ-jĕn grūp) Five trivalent or quinquivalent elements whose hydrogen compounds that are basic and with oxyacids that vary from monobasic to tetrabasic: nitrogen, phosphorus, arsenic, antimony, and bismuth. |