NIST Physical Measurement Laboratory Handbook of Basic Atomic Spectroscopic Data

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Atomic Data for Berkelium (Bk)

Atomic Number = 97

Atomic Weight = (247)

Reference E95


  Isotope   Mass   Abundance   Spin   Mag Moment 
              
247Bk247.07030003/2 
249Bk249.07498007/22.0

Bk I  Ground State 1s22s22p63s23p63d104s24p64d104f145s25p65d106s26p65f97s2 615/2
       Ionization energy  49989 cm-1 (6.1979 eV)   Ref. KDEE97

Bk II Ground State 1s22s22p63s23p63d104s24p64d104f145s25p65d106s26p65f97s (15/2,1/28