Name :  Terbium
Symbol :  Tb
Atomic Number :  65
Atomic Weight :  158.92534
Specific Heat :  0.18 J/gK
Melting Point :  1356°C
Vaporization :  330.90 kJ/mol
Boiling Point :  3230°C
Electronegativity :  1.2
Density@293 K :  8.27 g/cm³
Discovered :  Carl Mosander, Sweden, 1843
Description :  Soft, ductile, silvery-gray, rare earth metal.
Uses :  It is used in modest amounts in special lasers and solid-state devices.