The periodic Table
coloured by Discovery
coloured by States
Constants, Astronomy
Constants, Physics
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by Peder Axensten

Xe


in WebElements
in X-Ray info 		Xe, 54
xenon (English)
xénon, m. (French)
Xenon, n. (German)
ksenon (Russian)
xenon (Swedish)

Symbol, numberXe, 54 (noble gas), Group: 18; 8A
Weight131.29
In Nature
Discovered1898, by William Ramsay and Morris W. Travers (England)
Density  [kg/m3]3540 [161 K] (solid)   2939 [166 K] (liquid)   5.8971 [273 K] (gas)   
Molar volume37.09 [161 K] cm3
Melting Temperature161.3 K   (-111.7 °C)   Enthalpy: 12.65 kJ/mol
Boiling Temperature166.1 K   (-106.9 °C)   Enthalpy: 3.10 kJ/mol
ThermalConductivity: 5.69E-3 [300 K] W/Km     
Ionisation [kJ/mol]
  M-->  M+--> M2+--> M3+--> M4+--> M5+--> M6+--> M7+--> M8+--> M9+-->M10+
Thermodynamics
State DfH° DfG° S° CpH H°298.15-H°0
[kJ/mol] [J/Kmol] [kJ/mol]
Isotopes
Mass In nature Half-life Spin m/mN NMM Decay
Xe