Name :  Cobalt
Symbol :  Co
Atomic Number :  27
Atomic Weight :  58.9332
Specific Heat :  0.42 J/gK
Melting Point :  1495°C
Vaporization :  376.50 kJ/mol
Boiling Point :  2927°C
Electronegativity :  1.88
Density@293 K :  8.90 g/cm³
Discovered :  George Brandt, Sweden, 1739
Description :  Hard, ductile, lustrous bluish-gray metal. Exists in the earth\'s curst in cocentrations of about 25 ppm. It has remarkable magnetic properties.
Uses :  Used in many hard alloys for magnets, ceramics and special glasses. Remains hard up to 982°C. Radioactive cobalt-60 is used in cancer therapy.