NIST Physical Measurement Laboratory Handbook of Basic Atomic Spectroscopic Data

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Atomic Data for Magnesium (Mg)

Atomic Number = 12

Atomic Weight = 24.3050

Reference E95

  Isotope   Mass   Abundance   Spin   Mag Moment 

Mg I  Ground State 1s22s22p63s2 1S0
       Ionization energy  61671.05 cm-1 (7.646235 eV)   Ref. KM91a

Mg II Ground State 1s22s22p63s 2S1/2
       Ionization energy  121267.64 cm-1 (15.03527 eV)   Ref. KM91a