Name :  Lutetium
Symbol :  Lu
Atomic Number :  71
Atomic Weight :  174.967
Specific Heat :  0.15 J/gK
Melting Point :  1663°C
Vaporization :  355.90 kJ/mol
Boiling Point :  3402°C
Electronegativity :  1.27
Density@293 K :  9.85 g/cm³
Discovered :  Georges Urbain, France, 1907
Description :  Silvery-white, hard, dense, rare earth metal.
Uses :  It has no practical applications.