Name :  Manganese
Symbol :  Mn
Atomic Number :  25
Atomic Weight :  54.93805
Specific Heat :  0.48 J/gK
Melting Point :  1244°C
Vaporization :  226.0 kJ/mol
Boiling Point :  2061°C
Electronegativity :  1.55
Density@293 K :  7.43 g/cm³
Discovered :  Johann Gahn, Sweden, 1774
Description :  Hard, brittle, gray-white metal with a pinkish tinge. Rusts like iron in moist air.
Uses :  Used in steel, batteries and ceramics. The steel in railroad tracks can contain as much as 1.2% manganese. It is crucial to the effectiveness of vitamin B1.