NIST Physical Measurement Laboratory Handbook of Basic Atomic Spectroscopic Data

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Atomic Data for Bromine (Br)

Atomic Number = 35

Atomic Weight = 79.904

Reference E95

  Isotope   Mass   Abundance   Spin   Mag Moment 

Br I  Ground State 1s22s22p63s23p63d104s24p5 23/2
       Ionization energy  95284.8 cm-1 (11.8138 eV)   Ref. T63

Br II Ground State 1s22s22p63s23p63d104s24p4 3P2
       Ionization energy  174140 cm-1 (21.591 eV)   Ref. M98