| Proton | Neutron | Nuclear Spin | Energy State | |
|---|---|---|---|---|
| 252Lr | 103 | 149 | -2 | |
| 253Lr | 103 | 150 | -7/2 | |
| 253mLr | 103 | 150 | -1/2 | |
| 254Lr | 103 | 151 | -1 | |
| 255Lr | 103 | 152 | -7/2 | |
| 256Lr | 103 | 153 | 4 | |
| 257Lr | 103 | 154 | 9/2 | |
| 258Lr | 103 | 155 | 4 | |
| 259Lr | 103 | 156 | 9/2 | |
| 260Lr | 103 | 157 | -1 | |
| 261Lr | 103 | 158 | -1/2 | |
| 262Lr | 103 | 159 | 0 |