Name :  Scandium
Symbol :  Sc
Atomic Number :  21
Atomic Weight :  44.95591
Specific Heat :  0.6 J/gK
Melting Point :  1541°C
Vaporization :  314.20 kJ/mol
Boiling Point :  2830°C
Electronegativity :  1.36
Density@293 K :  3.0 g/cm³
Discovered :  Lars Nilson, Sweden, 1879
Description :  Fairly soft, silvery-white metal. Eighth most abundant \'rare earth\' found in the earth\'s crust (5.0 ppm).
Uses :  Scandium metal is used in some aerospace applications. Scandum oxide (Sc2O3) is used in the manufacture of high-intensity electric lamps. Scandium iodide (ScI3) is used in lamps that produce light having a color closely matching natural sunlight.