### Atomic Data for Chromium (Cr)

### Atomic Number = 24

### Atomic Weight = 51.9961

### Reference = E95

    Isotope   Mass       Abundance Spin Mag Moment

    50Cr      49.946046  4.35%     0
    52Cr      51.940509  83.79%    0
    53Cr      52.940651  9.50%     3/2  -0.47454
    54Cr      53.938882  2.36%     0

    Cr I  Ground State 1s22s22p63s23p63d54s  7S3
          Ionization energy  54575.6 cm-1 (6.76651 eV)   Ref. SC85

    Cr II Ground State 1s22s22p63s23p63d5  6S5/2
          Ionization energy  132966 cm-1 (16.4857 eV)   Ref. SC85