| Proton | Neutron | Nuclear Spin | Energy State | |
|---|---|---|---|---|
| 225Rn | 86 | 139 | -7/2 | |
| 226Fr | 87 | 139 | -1 | |
| 227Ra | 88 | 139 | 3/2 | |
| 228Ac | 89 | 139 | 3 | |
| 229Th | 90 | 139 | 5/2 | |
| 229mTh | 90 | 139 | 3/2 | |
| 230Pa | 91 | 139 | -2 | |
| 231U | 92 | 139 | 5/2 | |
| 232Np | 93 | 139 | 4 | |
| 233Pu | 94 | 139 | 5/2 | |
| 234Am | 95 | 139 | 0 | |
| 235Cm | 96 | 139 | 5/2 | |
| 236Bk | 97 | 139 | 2 | |
| 237Cf | 98 | 139 | 5/2 |