Name :  Strontium
Symbol :  Sr
Atomic Number :  38
Atomic Weight :  87.62
Specific Heat :  0.30 J/gK
Melting Point :  769°C
Vaporization :  144.0 kJ/mol
Boiling Point :  1384°C
Electronegativity :  0.95
Density@293 K :  2.6 g/cm³
Discovered :  A. Crawford, Scotland, 1790
Description :  Soft, malleable, silvery-yellow metal.
Uses :  Used in flares and fireworks for crimson color. Strontium-90 is a long lived highly radioactive fallout product of atomic-bomb explosions.