Element: Radon (Rn)

Element (Atom) NameRadon
SymbolRn
Physical state at room temperatureGas
Element ClassificationNon-metal
Group NameNoble Gas
Period Number (Periodic table) 6
Group number (Periodic table)18
Atomic number86
Atomic weight222 (Ref: Jlab-ele086, Lanl-86, Nist-86)
Atomic Radius220 pm (Van der Waals) (Ref: Lanl-86)
Density0.00973 g/cm3 (Ref: Jlab-ele086)
Melting point-71°C (Ref: Jlab-ele086, Lanl-86)
Boiling point-61.7°C (Ref: Jlab-ele086, Lanl-86)
Electron shell configuration1s2 
2s2 2p6 
3s2 3p6 3d10 
4s2 4p6 4d10 4f14 
5s2 5p6 5d10
6s2 6p6
Oxidation States0 (Ref: Jlab-ele086)
6, 2, 0 (Ref: Lanl-86)
Ionization Energy10.745 eV (Ref: Jlab-ele086)
10.74850 eV (Ref: Nist-86)
Number of Stable Isotopes0
InChIInChI=1S/Rn (Ref: Pubchem-86)
InChI KeySYUHGPGVQRZVTB-UHFFFAOYSA-N (Ref: Pubchem-86)
RemarksRadioactive

REFERENCES

  • Jlab-ele086: https://education.jlab.org/itselemental/ele086.html
  • Lanl-86: https://periodic.lanl.gov/86.shtml
  • ciaaw-atomic-weights: https://www.ciaaw.org/atomic-weights.htm
  • Nist-86: https://physics.nist.gov/cgi-bin/Elements/elInfo.pl?element=86
  • Pubchem-86: https://pubchem.ncbi.nlm.nih.gov/element/86
  • science.co.il: https://www.science.co.il/elements/

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