| Proton | Neutron | Nuclear Spin | Energy State | |
|---|---|---|---|---|
| 145Tm | 69 | 76 | -11/2 | |
| 146Tm | 69 | 77 | -6 | |
| 146mTm | 69 | 77 | 10 | |
| 147Tm | 69 | 78 | -11/2 | |
| 147mTm | 69 | 78 | 3/2 | |
| 148Tm | 69 | 79 | 10 | |
| 149Tm | 69 | 80 | -11/2 | |
| 150m1Tm | 69 | 81 | -6 | |
| 150Tm | 69 | 81 | 1 | |
| 150m2Tm | 69 | 81 | 10 | |
| 151Tm | 69 | 82 | -11/2 | |
| 151m1Tm | 69 | 82 | 1/2 | |
| 151m2Tm | 69 | 82 | -27/2 | |
| 152m1Tm | 69 | 83 | 9 | |
| 152m2Tm | 69 | 83 | 17 | |
| 152Tm | 69 | 83 | -2 | |
| 153Tm | 69 | 84 | -11/2 | |
| 153mTm | 69 | 84 | 1/2 | |
| 154Tm | 69 | 85 | -2 | |
| 154mTm | 69 | 85 | 9 | |
| 155Tm | 69 | 86 | -11/2 | |
| 155mTm | 69 | 86 | 1/2 | |
| 156Tm | 69 | 87 | -2 | |
| 156mTm | 69 | 87 | -11 | |
| 157Tm | 69 | 88 | 1/2 | |
| 158mTm | 69 | 89 | 5 | |
| 158Tm | 69 | 89 | -2 | |
| 159Tm | 69 | 90 | 5/2 | |
| 160m1Tm | 69 | 91 | 5 | |
| 160m2Tm | 69 | 91 | -8 | |
| 160Tm | 69 | 91 | -1 | |
| 161Tm | 69 | 92 | 7/2 | |
| 161m1Tm | 69 | 92 | 1/2 | |
| 162Tm | 69 | 93 | -1 | |
| 162mTm | 69 | 93 | 5 | |
| 163Tm | 69 | 94 | 1/2 | |
| 164mTm | 69 | 95 | -6 | |
| 164Tm | 69 | 95 | 1 | |
| 165Tm | 69 | 96 | 1/2 | |
| 166Tm | 69 | 97 | 2 | |
| 166mTm | 69 | 97 | -6 | |
| 167m2Tm | 69 | 98 | -7/2 | |
| 167Tm | 69 | 98 | 1/2 | |
| 168Tm | 69 | 99 | 3 | |
| 169Tm | 69 | 100 | 1/2 | Stable |
| 170Tm | 69 | 101 | -1 | |
| 170mTm | 69 | 101 | 3 | |
| 171mTm | 69 | 102 | -7/2 | |
| 171Tm | 69 | 102 | 1/2 | |
| 172Tm | 69 | 103 | -2 | |
| 173mTm | 69 | 104 | -7/2 | |
| 173Tm | 69 | 104 | 1/2 | |
| 174Tm | 69 | 105 | -4 | |
| 175Tm | 69 | 106 | 1/2 | |
| 176Tm | 69 | 107 | 4 | |
| 177Tm | 69 | 108 | -7/2 | |
| 178Tm | 69 | 109 | 0 | |
| 179Tm | 69 | 110 | 1/2 |