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