(From the
German wismut) A hard, brittle,
metallic chemical element that is grayish-white with a tinge of red, used chiefly in making
alloys of low
melting point and in
medicine.
Symbol: Bi
Atomic number: 83
Atomic weight: 208.98038
Density (at room temperature and pressure): 9.747 g/cc
Melting point: 271.3°C
Boiling point: 1,560°C
Valence: +3, +5
Ground state electron configuration: [Xe]4f145d106s26p3