单词 | pnicogen |
释义 | pnicogenn. Chemistry. Any of the elements in group 15 of the periodic table, comprising nitrogen, phosphorus, arsenic, antimony, and bismuth. ΘΚΠ the world > matter > chemistry > elements and compounds > [noun] > elements > groups series1838 group1863 pnicogen1966 1966 Progress Sci. & Technol. Rare Earths 2 76 The term ‘pnicogen’ seems to be gaining favor as a group name for the Va group of elements. 1971 Nomencl. Inorg. Chem. (I.U.P.A.C.) (ed. 2) 11 The use of the collective names ‘pnicogen’ (N, P, As, Sb and Bi) and ‘pnictides’ is not approved. 1982 Organometallics 1 1556/2 Halogen compounds, nitrogen compounds, other pnictogen compounds. 1996 Science 31 May 1326/1 This structure consists of square planar rings of four pnicogen (group VA) atoms (X). This entry has been updated (OED Third Edition, September 2006; most recently modified version published online March 2022). < n.1966 |
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