| Proton | Neutron | Nuclear Spin | Energy State | |
|---|---|---|---|---|
| 37Sc | 21 | 16 | -7/2 | |
| 38Sc | 21 | 17 | -2 | |
| 39Sc | 21 | 18 | -7/2 | |
| 40Sc | 21 | 19 | -4 | |
| 41Sc | 21 | 20 | -7/2 | |
| 42Sc | 21 | 21 | 0 | |
| 43m2Sc | 21 | 22 | -19/2 | |
| 43Sc | 21 | 22 | -7/2 | |
| 43m1Sc | 21 | 22 | 3/2 | |
| 44m3Sc | 21 | 23 | 0 | |
| 44m1Sc | 21 | 23 | -1 | |
| 44Sc | 21 | 23 | 2 | |
| 44m2Sc | 21 | 23 | 6 | |
| 45mSc | 21 | 24 | 3/2 | |
| 45Sc | 21 | 24 | -7/2 | Stable |
| 46m1Sc | 21 | 25 | 6 | |
| 46Sc | 21 | 25 | 4 | |
| 46m2Sc | 21 | 25 | -1 | |
| 47Sc | 21 | 26 | -7/2 | |
| 47mSc | 21 | 26 | 3/2 | |
| 48Sc | 21 | 27 | 6 | |
| 49Sc | 21 | 28 | -7/2 | |
| 50Sc | 21 | 29 | 5 | |
| 51Sc | 21 | 30 | -7/2 | |
| 52Sc | 21 | 31 | 3 | |
| 53Sc | 21 | 32 | -7/2 | |
| 54mSc | 21 | 33 | 5 | |
| 54Sc | 21 | 33 | 3 | |
| 55Sc | 21 | 34 | -7/2 | |
| 56Sc | 21 | 35 | 1 | |
| 57Sc | 21 | 36 | -7/2 | |
| 58Sc | 21 | 37 | 3 | |
| 59Sc | 21 | 38 | -7/2 | |
| 60Sc | 21 | 39 | 3 |