NIST Physical Measurement Laboratory Handbook of Basic Atomic Spectroscopic Data

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Atomic Data for Fluorine (F)

Atomic Number = 9

Atomic Weight = 18.9984032

Reference E95

  Isotope   Mass   Abundance   Spin   Mag Moment 

F I  Ground State 1s22s22p5 23/2
       Ionization energy  140524.5 cm-1 (17.4228 eV)   Ref. L49

F II Ground State 1s22s22p4 3P2
       Ionization energy  282058.6 cm-1 (34.9708 eV)   Ref. P69