| Proton | Neutron | Nuclear Spin | Energy State | |
|---|---|---|---|---|
| 17Be | 4 | 13 | 1/2 | |
| 18B | 5 | 13 | -4 | |
| 19C | 6 | 13 | 1/2 | |
| 20N | 7 | 13 | 0 | |
| 21O | 8 | 13 | 1/2 | |
| 22F | 9 | 13 | 2 | |
| 23Ne | 10 | 13 | 5/2 | |
| 24Na | 11 | 13 | 4 | |
| 24mNa | 11 | 13 | 1 | |
| 25Mg | 12 | 13 | 5/2 | Stable |
| 26mAl | 13 | 13 | 0 | |
| 26Al | 13 | 13 | 5 | |
| 27Si | 14 | 13 | 5/2 | |
| 28P | 15 | 13 | 3 | |
| 29S | 16 | 13 | 5/2 | |
| 30Cl | 17 | 13 | 3 | |
| 31Ar | 18 | 13 | 5/2 |