| Proton | Neutron | Nuclear Spin | Energy State | |
|---|---|---|---|---|
| 199Ir | 77 | 122 | 3/2 | |
| 200Pt | 78 | 122 | 0 | |
| 201Au | 79 | 122 | 3/2 | |
| 202Hg | 80 | 122 | 0 | Stable |
| 203mTl | 81 | 122 | 25/2 | |
| 203Tl | 81 | 122 | 1/2 | Stable |
| 204m1Pb | 82 | 122 | 4 | |
| 204Pb | 82 | 122 | 0 | Stable |
| 204m3Pb | 82 | 122 | -7 | |
| 204m2Pb | 82 | 122 | -9 | |
| 205Bi | 83 | 122 | -9/2 | |
| 206Po | 84 | 122 | 0 | |
| 206m1Po | 84 | 122 | 8 | |
| 206m2Po | 84 | 122 | -9 | |
| 207At | 85 | 122 | -9/2 | |
| 208Rn | 86 | 122 | 0 | |
| 209Fr | 87 | 122 | -9/2 | |
| 210Ra | 88 | 122 | 0 | |
| 210mRa | 88 | 122 | 8 | |
| 211Ac | 89 | 122 | -9/2 | |
| 212Th | 90 | 122 | 0 | |
| 213Pa | 91 | 122 | -9/2 |