Symbol Bi Atomic radius: pm 155 Fusion: kJ/Mole 11.3
Name Bismuth Ionic radius: pm (+3)103 Boiling point: C 1564
Atomic number 83 Electron affinity 0.95 Melting point: C 271
Atomic weight 209.0 1st  ion potential 7.29 Specific Heat Cap: J/(g K) 0.12
Classification Other metal Natural form Solid Thermal Cond: W/(cm K) 0.08
Configuration [Xe]4f145d106s2p3 Crystal structure Rhom Electrical Cond 0.00867
Oxidation states 3,5 Density 9.79 Abundance: mg/kg-crust 0.009
Electronegativity 1.9 Vaporization: kJ/Mole 151.0    
Bismuth was described by a German monk, Basil Valentine, in 1450. Uses -  antacid, fusible alloy, pharmaceuticals, fuses, production of malleable irons, catalyst for making acrylic fibers, cosmetics