| Proton | Neutron | Nuclear Spin | Energy State | |
|---|---|---|---|---|
| 208Hg | 80 | 128 | 0 | |
| 209Tl | 81 | 128 | 1/2 | |
| 210Pb | 82 | 128 | 0 | |
| 210mPb | 82 | 128 | 8 | |
| 211mBi | 83 | 128 | -25/2 | |
| 211Bi | 83 | 128 | -9/2 | |
| 212mPo | 84 | 128 | 18 | |
| 212Po | 84 | 128 | 0 | |
| 213At | 85 | 128 | -9/2 | |
| 214mRn | 86 | 128 | 22 | |
| 214Rn | 86 | 128 | 0 | |
| 215Fr | 87 | 128 | -9/2 | |
| 216Ra | 88 | 128 | 0 | |
| 217Ac | 89 | 128 | -9/2 | |
| 217mAc | 89 | 128 | 29/2 | |
| 218Th | 90 | 128 | 0 | |
| 219Pa | 91 | 128 | -9/2 | |
| 220U | 92 | 128 | 0 |