Name :  Helium
Symbol :  He
Atomic Number :  2
Atomic Weight :  4.002602
Specific Heat :  5.193 J/gK
Melting Point :  -272.2°C @ 26 atmos.
Vaporization :  0.0845 kJ/mol
Boiling Point :  -268.934°C
Electronegativity :  0
Density@293 K :  0.0001787 g/cm³
Discovered :  Sir William Ramsey, Nils Langet, P.T.Cleve, Scotland/Sweden, 1895
Description :  Light, odorless, colorless, tasteless inert gas. Second most abundant element in the universe. Sixth most abundant in the earth\'s atmosphere.
Uses :  Used in balloons, deep sea diving & welding. Also used in very low temperature research.