Name       : Xenon
Symbol     : Xe
Atomic #   : 54
Atom weight: 131.3
Melting P. : -111.9
Boiling P. : -107.1
Oxidation  : 0
Pronounced : ZEE-non
From       : Greek xenos, "strange"
Identified : Sir William Ramsay and M. W. Travers in 1898
Appearance : Heavy, colorless, and odorless noble gas
Note       : The rarest of the gassy elements in the earth's atmosphere
             
[Properties]

  Xenon is one of the Group-0, noble gasses. It is a heavy gas - about 4.5
times heavier than air - and is colorless, odorless, and tasteless.
  Xenon is recovered on a commercial scale by the fractional distillation
of liquid air.