Berkelium Bk IV

Odd levels Even levels
5f76d 9D2 52 000 ± 5 000
5f77s 9S4 65 000 ± 6 000
5f8 7F6 0
5f76p 9P3 107 000 ± 6 000
5f66d2 9I2 140 000 ± 8 000