NIST Physical Measurement Laboratory Handbook of Basic Atomic Spectroscopic Data

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Atomic Data for Radon (Rn)

Atomic Number = 86

Atomic Weight = (222)

Reference E95

Isotope    Mass        Abundance Spin Mag Moment
219Rn 219.009479 Trace 5/2 220Rn 220.011368 Trace 0 222Rn 222.017570 Trace 0
Rn I  Ground State 1s22s22p63s23p63d104s24p64d104f145s25p65d106s26p6  1S0
      Ionization energy  86692.5 cm-1 (10.7485 eV)   Ref. R33
Rn II Ground State 1s22s22p63s23p63d104s24p64d104f145s25p65d106s26p5  23/2