Name :  Sodium
Symbol :  Na
Atomic Number :  11
Atomic Weight :  22.989768
Specific Heat :  1.23 J/gK
Melting Point :  97.81°C
Vaporization :  96.960 kJ/mol
Boiling Point :  882.9°C
Electronegativity :  0.93
Density@293 K :  0.971 g/cm³
Discovered :  Sir Humphrey Davy, England, 1807
Description :  Soft silvery-white metal. Sixth most abundant element in the earth\'s crust. Burns in air with a brilliant white flame.
Uses :  There are few uses for the pure metal, however its compounds are used in medicine, agriculture and photography. Sodium chloride (NaCl) is table salt. Liquid sodium is sometimes used to cool nuclear reactors.