Bismuth Facts - Periodic Table of the Elements

Bismuth Facts - Periodic Table of the Elements Symbol Bi Atomic Number 83 Atomic Weight 208.98037 Electron Configuration [Xe] 4f14 5d10 6s2 6p3 Element Classification Metal Discovery Known to the ancients. Name Origin German: bisemutum, (white mass), presently spelled wismut. Density (g/cc) 9.747 Melting Point (K) 44.5 Boiling Point (K) 1883 Appearance hard, brittle, steel-gray metal with a pinkish tinge Atomic Radius (pm) 170 Atomic Volume (cc/mol) 21.3 Covalent Radius (pm) 146 Ionic Radius 74 (5e) 96 (3e) Specific Heat (@20C J/g mol) 0.124 Fusion Heat (kJ/mol) 11.00 Evaporation Heat (kJ/mol) 172.0 Debye Temperature (K) 120.00 Pauling Negativity Number 2.02 First Ionizing Energy (kJ/mol) 702.9 Oxidation States 5, 3 Lattice Structure rhombohedral Lattice Constant () 4.750 References: Los Alamos National Laboratory (2001), Crescent Chemical Company (2001), Langes Handbook of Chemistry (1952), CRC Handbook of Chemistry Physics (18th Ed.) Return to the Periodic Table