NIST Physical Measurement Laboratory Handbook of Basic Atomic Spectroscopic Data

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Atomic Data for Gallium (Ga)

Atomic Number = 31

Atomic Weight = 69.723

Reference E95

  Isotope   Mass   Abundance   Spin   Mag Moment 

Ga I  Ground State 1s22s22p63s23p63d104s24p 21/2
       Ionization energy  48387.634 cm-1 (5.999301 eV)   Ref. ND82

Ga II Ground State 1s22s22p63s23p63d104s2 1S0
       Ionization energy  165465.8 cm-1 (20.51514 eV)   Ref. IL85