54Xe
Xenon
Noble GasXenon (Xe) is element 54, a noble gas, in period 5 and group 18 of the periodic table. Its standard atomic weight is 131.293, it melts at -111.75 °C and boils at -108.1 °C. Discovered by William Ramsay, 1898.
Atomic Number54
SymbolXe
NameXenon
Atomic Weight131.293 u
CategoryNoble Gas
Period5
Group18
Melting Point-111.75 °C
Boiling Point-108.1 °C
Density0.005366 g/cm³
Electron Config[Kr] 4d10 5s2 5p6
Discovered ByWilliam Ramsay, 1898