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 2P°3/2