### Atomic Data for Berkelium (Bk)

### Atomic Number = 97

### Atomic Weight = (247)

### Reference = E95

    Isotope    Mass        Abundance Spin Mag Moment

    247Bk      247.070300  0         3/2
    249Bk      249.074980  0         7/2  2.0

    Bk I  Ground State 1s22s22p63s23p63d104s24p64d104f145s25p65d106s26p65f97s2  6H°15/2
          Ionization energy  49989 cm-1 (6.1979 eV)   Ref. KDEE97

    Bk II Ground State 1s22s22p63s23p63d104s24p64d104f145s25p65d106s26p65f97s  (15/2,1/2)°8