Element: Xenon (Xe)

Element (Atom) NameXenon
Physical state at room temperatureGas
Element ClassificationNon-metal
Group NameNoble Gas
Period Number (Periodic table) 5
Group number (Periodic table)18
Atomic number54
Atomic weight131.293 (Ref: Jlab-ele054, ciaaw-tellurium, Nist-54)
131.3 (Ref: Lanl-54)
Atomic Radius216 pm (Van der Waals) (Ref: Lanl-54)
Density0.005887 g/cm3 (Ref: Jlab-ele054)
Melting point-111.79°C (Ref: Jlab-ele054)
-111.75 °C (Ref: Lanl-54)
Boiling point-108.12°C (Ref: Jlab-ele054)
-108.099 °C (Ref: Lanl-54)
Electron shell configuration1s2 
2s2 2p6 
3s2 3p6 3d10 
4s2 4p6 4d10 
5s2 5p6
Oxidation States0 (Ref: Jlab-ele054)
0, +1, +2, +4, +6, +8 ​(rarely more than 0; a weakly acidic oxide) (Ref: Lanl-54)
Ionization Energy12.130 eV (Ref: Jlab-ele054)
12.1298437 eV (Ref: Nist-54)
Number of Stable Isotopes6
InChIInChI=1S/Xe (Ref: Pubchem-54)


  • Jlab-ele054: https://education.jlab.org/itselemental/ele054.html
  • Lanl-54: https://periodic.lanl.gov/54.shtml
  • ciaaw-tellurium: https://www.ciaaw.org/tellurium.htm
  • Nist-54: https://physics.nist.gov/cgi-bin/Elements/elInfo.pl?element=54
  • Pubchem-54: https://pubchem.ncbi.nlm.nih.gov/element/54
  • science.co.il: https://www.science.co.il/elements/

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