M = Metal / O = Oxide / E = Element / G = Gas / C = Carbonate / CI = Chloride
Tellurium
| Isotopes | Chemical form | Natural abundance % |
| 120Te | O,M | 0.096 |
| 122Te | O,M | 2.60 |
| 123Te | O,M | 0.91 |
| 124Te | O,M | 4.82 |
| 125Te | O,M | 7.14 |
| 126Te | O,M | 18.95 |
| 128Te | O,M | 31.69 |
| 130Te | O,M | 33.80 |