a nonmetallic element belonging to group 15 (formerly VB) of the periodic table; a.n. 15; r.a.m. 30.9738; r.d. 1.82 (white), 2.34 (red); m.p. 44.1°C (α-white); b.p. 280°C (α-white), keemiliste elementide perioodilisussüsteemi V rühma element, mittemetall; järjenumber 15, aatommass 30,97