Name :  Gallium
Symbol :  Ga
Atomic Number :  31
Atomic Weight :  69.723
Specific Heat :  0.37 J/gK
Melting Point :  29.78°C
Vaporization :  258.70 kJ/mol
Boiling Point :  2204°C
Electronegativity :  1.81
Density@293 K :  5.907 g/cm³
Discovered :  Paul Émile Lecoq de Boisbaudran, France, 1875
Description :  Soft, blue-white metal.
Uses :  Used in semiconductor production. It us used in making LEDs (light-emitting diodes) and GaAs laser diodes.