| Proton | Neutron | Nuclear Spin | Energy State | |
|---|---|---|---|---|
| 249Am | 95 | 154 | 3/2 | |
| 250Cm | 96 | 154 | 0 | |
| 251mBk | 97 | 154 | 7/2 | |
| 251Bk | 97 | 154 | -3/2 | |
| 252Cf | 98 | 154 | 0 | |
| 253Es | 99 | 154 | 7/2 | |
| 254Fm | 100 | 154 | 0 | |
| 255Md | 101 | 154 | -7/2 | |
| 256No | 102 | 154 | 0 | |
| 257Lr | 103 | 154 | 9/2 | |
| 258Rf | 104 | 154 | 0 | |
| 259Db | 105 | 154 | 5/2 | |
| 260Sg | 106 | 154 | 0 | |
| 261Bh | 107 | 154 | -5/2 |