| Proton | Neutron | Nuclear Spin | Energy State | |
|---|---|---|---|---|
| 254mBk | 97 | 157 | 1 | |
| 255Cf | 98 | 157 | 7/2 | |
| 256Es | 99 | 157 | 1 | |
| 257Fm | 100 | 157 | 9/2 | |
| 258Md | 101 | 157 | -8 | |
| 258mMd | 101 | 157 | -1 | |
| 259No | 102 | 157 | 9/2 | |
| 260Lr | 103 | 157 | -1 | |
| 261mRf | 104 | 157 | 9/2 | |
| 261Rf | 104 | 157 | 3/2 | |
| 262Db | 105 | 157 | 0 | |
| 263mSg | 106 | 157 | 3/2 | |
| 263Sg | 106 | 157 | 9/2 | |
| 264Bh | 107 | 157 | 2 | |
| 265mHs | 108 | 157 | 3/2 | |
| 265Hs | 108 | 157 | 9/2 | |
| 266Mt | 109 | 157 | 0 | |
| 267Ds | 110 | 157 | 9/2 |