| Proton | Neutron | Nuclear Spin | Energy State | |
|---|---|---|---|---|
| 234Ra | 88 | 146 | 0 | |
| 235Ac | 89 | 146 | 1/2 | |
| 236Th | 90 | 146 | 0 | |
| 237Pa | 91 | 146 | 1/2 | |
| 238U | 92 | 146 | 0 | |
| 239Np | 93 | 146 | 5/2 | |
| 240Pu | 94 | 146 | 0 | |
| 241Am | 95 | 146 | -5/2 | |
| 242Cm | 96 | 146 | 0 | |
| 243Bk | 97 | 146 | -3/2 | |
| 244Cf | 98 | 146 | 0 | |
| 245Es | 99 | 146 | -3/2 | |
| 246Fm | 100 | 146 | 0 | |
| 247Md | 101 | 146 | -1/2 |