| Proton | Neutron | Nuclear Spin | Energy State | |
|---|---|---|---|---|
| 220Po | 84 | 136 | 0 | |
| 221At | 85 | 136 | -3/2 | |
| 222Rn | 86 | 136 | 0 | |
| 223Fr | 87 | 136 | -3/2 | |
| 224Ra | 88 | 136 | 0 | |
| 225Ac | 89 | 136 | -3/2 | |
| 226Th | 90 | 136 | 0 | |
| 227Pa | 91 | 136 | -5/2 | |
| 228U | 92 | 136 | 0 | |
| 229Np | 93 | 136 | 5/2 | |
| 230Pu | 94 | 136 | 0 | |
| 231Am | 95 | 136 | 3/2 | |
| 232Cm | 96 | 136 | 0 |