| Proton | Neutron | Nuclear Spin | Energy State | |
|---|---|---|---|---|
| 251Cm | 96 | 155 | 1/2 | |
| 252mBk | 97 | 155 | 1 | |
| 253Cf | 98 | 155 | 7/2 | |
| 254Es | 99 | 155 | 7 | |
| 254mEs | 99 | 155 | 2 | |
| 255Fm | 100 | 155 | 7/2 | |
| 256Md | 101 | 155 | -1 | |
| 257No | 102 | 155 | 7/2 | |
| 258Lr | 103 | 155 | 4 | |
| 259Rf | 104 | 155 | 7/2 | |
| 260Db | 105 | 155 | 2 | |
| 261Sg | 106 | 155 | 7/2 | |
| 262Bh | 107 | 155 | 2 | |
| 263Hs | 108 | 155 | 7/2 |