Name :  Krypton
Symbol :  Kr
Atomic Number :  36
Atomic Weight :  83.8
Specific Heat :  0.248 J/gK
Melting Point :  -156.6°C
Vaporization :  9.029 kJ/mol
Boiling Point :  -152.3°C
Electronegativity :  0
Density@293 K :  0.003708 g/cm³
Discovered :  Sir William Ramsey, M.W. Travers, Great Britain, 1898
Description :  Colorless, odorless, tasteless rare noble gas.
Uses :  Used in lighting products. Some is used as inert filler-gas in incandescent bulbs. Some is mixed with argon in fluorescent lamps. The most important use is in flashing stroboscopic lamps that outline airport runways.