#83 BismuthBismuth is a chemical element with symbol Bi and atomic number 83. It is a pentavalent post-transition metal and one of the pnictogens with chemical properties resembling its lighter homologs arsenic and antimony. The free element is 86% as dense as lead. Atomic mass:208.98038 amu Melting point:271.3 C (544.45 K, 520.33997 F) Boiling point:1560.0 C (1833.15 K, 2840.0 F) Density:293 K:9.8 g/cm3 |