| Proton | Neutron | Nuclear Spin | Energy State | |
|---|---|---|---|---|
| 56Ga | 31 | 25 | 3 | |
| 57Ga | 31 | 26 | -1/2 | |
| 58Ga | 31 | 27 | 2 | |
| 59Ga | 31 | 28 | -3/2 | |
| 60Ga | 31 | 29 | 2 | |
| 61Ga | 31 | 30 | -3/2 | |
| 62Ga | 31 | 31 | 0 | |
| 63Ga | 31 | 32 | -3/2 | |
| 64mGa | 31 | 33 | 2 | |
| 64Ga | 31 | 33 | 0 | |
| 65Ga | 31 | 34 | -3/2 | |
| 66Ga | 31 | 35 | 0 | |
| 67Ga | 31 | 36 | -3/2 | |
| 68Ga | 31 | 37 | 1 | |
| 69Ga | 31 | 38 | -3/2 | Stable |
| 70Ga | 31 | 39 | 1 | |
| 71Ga | 31 | 40 | -3/2 | Stable |
| 72Ga | 31 | 41 | -3 | |
| 72mGa | 31 | 41 | 0 | |
| 73Ga | 31 | 42 | -3/2 | |
| 74Ga | 31 | 43 | -3 | |
| 74mGa | 31 | 43 | 0 | |
| 75Ga | 31 | 44 | -3/2 | |
| 76Ga | 31 | 45 | 2 | |
| 77Ga | 31 | 46 | -3/2 | |
| 78Ga | 31 | 47 | 3 | |
| 79Ga | 31 | 48 | -3/2 | |
| 80Ga | 31 | 49 | -3 | |
| 81Ga | 31 | 50 | -5/2 | |
| 82Ga | 31 | 51 | 2 | |
| 83Ga | 31 | 52 | -3/2 | |
| 84Ga | 31 | 53 | 1 | |
| 85Ga | 31 | 54 | -3/2 | |
| 86Ga | 31 | 55 | 0 |