碲的同位素
圖表

| 符號 | Z> 激發能量 | N> 激發能量 | 同位素質量（u） > 激發能量 | 半衰期 | 衰變方式 | 衰變產物 | 原子核 自旋 | 相對豐度 （莫耳分率） | 相對豐度 的變化量 （莫耳分率） |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 104Te | 52 | 52 |  | <18 ns | α | 100Sn | 0+ |  |  |
| 105Te | 52 | 53 | 104.94364(54)# | 620(70) ns | α | 101Sn | 5/2+# |  |  |
| 106Te | 52 | 54 | 105.93750(14) | 70(20) µs [70(+20-10) µs] | α | 102Sn | 0+ |  |  |
| 107Te | 52 | 55 | 106.93501(32)# | 3.1(1) ms | α (70%) | 103Sn | 5/2+# |  |  |
| 107Te | 52 | 55 | 106.93501(32)# | 3.1(1) ms | β+ (30%) | 107Sb | 5/2+# |  |  |
| 108Te | 52 | 56 | 107.92944(11) | 2.1(1) s | β+ (51%) | 108Sb | 0+ |  |  |
| 108Te | 52 | 56 | 107.92944(11) | 2.1(1) s | α (49%) | 104Sn | 0+ |  |  |
| 108Te | 52 | 56 | 107.92944(11) | 2.1(1) s | β+, p (2.4%) | 107Sn | 0+ |  |  |
| 108Te | 52 | 56 | 107.92944(11) | 2.1(1) s | β+, α (.065%) | 104In | 0+ |  |  |
| 109Te | 52 | 57 | 108.92742(7) | 4.6(3) s | β+ (86.99%) | 109Sb | (5/2+) |  |  |
| 109Te | 52 | 57 | 108.92742(7) | 4.6(3) s | β+, p (9.4%) | 108Sn | (5/2+) |  |  |
| 109Te | 52 | 57 | 108.92742(7) | 4.6(3) s | α (7.9%) | 105Sn | (5/2+) |  |  |
| 109Te | 52 | 57 | 108.92742(7) | 4.6(3) s | β+, α (.005%) | 105In | (5/2+) |  |  |
| 110Te | 52 | 58 | 109.92241(6) | 18.6(8) s | β+ (99.99%) | 110Sb | 0+ |  |  |
| 110Te | 52 | 58 | 109.92241(6) | 18.6(8) s | β+, p (.003%) | 109Sn | 0+ |  |  |
| 111Te | 52 | 59 | 110.92111(8) | 19.3(4) s | β+ | 111Sb | (5/2)+# |  |  |
| 111Te | 52 | 59 | 110.92111(8) | 19.3(4) s | β+, p （不常見） | 110Sn | (5/2)+# |  |  |
| 112Te | 52 | 60 | 111.91701(18) | 2.0(2) min | β+ | 112Sb | 0+ |  |  |
| 113Te | 52 | 61 | 112.91589(3) | 1.7(2) min | β+ | 113Sb | (7/2+) |  |  |
| 114Te | 52 | 62 | 113.91209(3) | 15.2(7) min | β+ | 114Sb | 0+ |  |  |
| 115Te | 52 | 63 | 114.91190(3) | 5.8(2) min | β+ | 115Sb | 7/2+ |  |  |
| 115m1Te | 10(7) keV | 10(7) keV | 10(7) keV | 6.7(4) min | β+ | 115Sb | (1/2)+ |  |  |
| 115m1Te | 10(7) keV | 10(7) keV | 10(7) keV | 6.7(4) min | IT | 115Te | (1/2)+ |  |  |
| 115m2Te | 280.05(20) keV | 280.05(20) keV | 280.05(20) keV | 7.5(2) µs |  |  | 11/2- |  |  |
| 116Te | 52 | 64 | 115.90846(3) | 2.49(4) h | β+ | 116Sb | 0+ |  |  |
| 117Te | 52 | 65 | 116.908645(14) | 62(2) min | β+ | 117Sb | 1/2+ |  |  |
| 117mTe | 296.1(5) keV | 296.1(5) keV | 296.1(5) keV | 103(3) ms | IT | 117Te | (11/2-) |  |  |
| 118Te | 52 | 66 | 117.905828(16) | 6.00(2) d | ε | 118Sb | 0+ |  |  |
| 119Te | 52 | 67 | 118.906404(9) | 16.05(5) h | β+ | 119Sb | 1/2+ |  |  |
| 119mTe | 260.96(5) keV | 260.96(5) keV | 260.96(5) keV | 4.70(4) d | β+ (99.99%) | 119Sb | 11/2- |  |  |
| 119mTe | 260.96(5) keV | 260.96(5) keV | 260.96(5) keV | 4.70(4) d | IT (.008%) | 119Te | 11/2- |  |  |
| 120Te | 52 | 68 | 119.90402(1) | 觀測上穩定 | 觀測上穩定 | 觀測上穩定 | 0+ | 9(1)×10−4 |  |
| 121Te | 52 | 69 | 120.904936(28) | 19.16(5) d | β+ | 121Sb | 1/2+ |  |  |
| 121mTe | 293.991(22) keV | 293.991(22) keV | 293.991(22) keV | 154(7) d | IT (88.6%) | 121Te | 11/2- |  |  |
| 121mTe | 293.991(22) keV | 293.991(22) keV | 293.991(22) keV | 154(7) d | β+ (11.4%) | 121Sb | 11/2- |  |  |
| 122Te | 52 | 70 | 121.9030439(16) | 稳定 | 稳定 | 稳定 | 0+ | 0.0255(12) |  |
| 123Te | 52 | 71 | 122.9042700(16) | 觀測上穩定 | 觀測上穩定 | 觀測上穩定 | 1/2+ | 0.0089(3) |  |
| 123mTe | 247.47(4) keV | 247.47(4) keV | 247.47(4) keV | 119.2(1) d | IT | 123Te | 11/2- |  |  |
| 124Te | 52 | 72 | 123.9028179(16) | 稳定 | 稳定 | 稳定 | 0+ | 0.0474(14) |  |
| 125Te | 52 | 73 | 124.9044307(16) | 稳定 | 稳定 | 稳定 | 1/2+ | 0.0707(15) |  |
| 125mTe | 144.772(9) keV | 144.772(9) keV | 144.772(9) keV | 57.40(15) d | IT | 125Te | 11/2- |  |  |
| 126Te | 52 | 74 | 125.9033117(16) | 稳定 | 稳定 | 稳定 | 0+ | 0.1884(25) |  |
| 127Te | 52 | 75 | 126.9052263(16) | 9.35(7) h | β− | 127I | 3/2+ |  |  |
| 127mTe | 88.26(8) keV | 88.26(8) keV | 88.26(8) keV | 109(2) d | IT (97.6%) | 127Te | 11/2- |  |  |
| 127mTe | 88.26(8) keV | 88.26(8) keV | 88.26(8) keV | 109(2) d | β− (2.4%) | 127I | 11/2- |  |  |
| 128Te | 52 | 76 | 127.9044631(19) | 2.2(3)×1024 a | β−β− | 128Xe | 0+ | 0.3174(8) |  |
| 128mTe | 2790.7(4) keV | 2790.7(4) keV | 2790.7(4) keV | 370(30) ns |  |  | 10+ |  |  |
| 129Te | 52 | 77 | 128.9065982(19) | 69.6(3) min | β− | 129I | 3/2+ |  |  |
| 129mTe | 105.50(5) keV | 105.50(5) keV | 105.50(5) keV | 33.6(1) d |  |  | 11/2- |  |  |
| 130Te | 52 | 78 | 129.9062244(21) | 790(100)×1018 a | β−β− | 130Xe | 0+ | 0.3408(62) |  |
| 130m1Te | 2146.41(4) keV | 2146.41(4) keV | 2146.41(4) keV | 115(8) ns |  |  | (7)- |  |  |
| 130m2Te | 2661(7) keV | 2661(7) keV | 2661(7) keV | 1.90(8) µs |  |  | (10+) |  |  |
| 130m3Te | 4375.4(18) keV | 4375.4(18) keV | 4375.4(18) keV | 261(33) ns |  |  |  |  |  |
| 131Te | 52 | 79 | 130.9085239(21) | 25.0(1) min | β− | 131I | 3/2+ |  |  |
| 131mTe | 182.250(20) keV | 182.250(20) keV | 182.250(20) keV | 30(2) h | β− (77.8%) | 131I | 11/2- |  |  |
| 131mTe | 182.250(20) keV | 182.250(20) keV | 182.250(20) keV | 30(2) h | IT (22.2%) | 131Te | 11/2- |  |  |
| 132Te | 52 | 80 | 131.908553(7) | 3.204(13) d | β− | 132I | 0+ |  |  |
| 133Te | 52 | 81 | 132.910955(26) | 12.5(3) min | β− | 133I | (3/2+) |  |  |
| 133mTe | 334.26(4) keV | 334.26(4) keV | 334.26(4) keV | 55.4(4) min | β− (82.5%) | 133I | (11/2-) |  |  |
| 133mTe | 334.26(4) keV | 334.26(4) keV | 334.26(4) keV | 55.4(4) min | IT (17.5%) | 133Te | (11/2-) |  |  |
| 134Te | 52 | 82 | 133.911369(11) | 41.8(8) min | β− | 134I | 0+ |  |  |
| 134mTe | 1691.34(16) keV | 1691.34(16) keV | 1691.34(16) keV | 164.1(9) ns |  |  | 6+ |  |  |
| 135Te | 52 | 83 | 134.91645(10) | 19.0(2) s | β− | 135I | (7/2-) |  |  |
| 135mTe | 1554.88(17) keV | 1554.88(17) keV | 1554.88(17) keV | 510(20) ns |  |  | (19/2-) |  |  |
| 136Te | 52 | 84 | 135.92010(5) | 17.63(8) s | β− (98.7%) | 136I | 0+ |  |  |
| 136Te | 52 | 84 | 135.92010(5) | 17.63(8) s | β−, n (1.3%) | 135I | 0+ |  |  |
| 137Te | 52 | 85 | 136.92532(13) | 2.49(5) s | β− (97.01%) | 137I | 3/2-# |  |  |
| 137Te | 52 | 85 | 136.92532(13) | 2.49(5) s | β−, n (2.99%) | 136I | 3/2-# |  |  |
| 138Te | 52 | 86 | 137.92922(22)# | 1.4(4) s | β− (93.7%) | 138I | 0+ |  |  |
| 138Te | 52 | 86 | 137.92922(22)# | 1.4(4) s | β−, n (6.3%) | 137I | 0+ |  |  |
| 139Te | 52 | 87 | 138.93473(43)# | 500 ms [>300 ns]# | β− | 139I | 5/2-# |  |  |
| 139Te | 52 | 87 | 138.93473(43)# | 500 ms [>300 ns]# | β−, n | 138I | 5/2-# |  |  |
| 140Te | 52 | 88 | 139.93885(32)# | 300 ms [>300 ns]# | β− | 140I | 0+ |  |  |
| 140Te | 52 | 88 | 139.93885(32)# | 300 ms [>300 ns]# | β−, n | 139I | 0+ |  |  |
| 141Te | 52 | 89 | 140.94465(43)# | 100 ms [>300 ns]# | β− | 141I | 5/2-# |  |  |
| 141Te | 52 | 89 | 140.94465(43)# | 100 ms [>300 ns]# | β−, n | 140I | 5/2-# |  |  |
| 142Te | 52 | 90 | 141.94908(64)# | 50 ms [>300 ns]# | β− | 142I | 0+ |  |  |
1 2 3  畫上#號的數據代表沒有經過實驗的証明，僅為理論推測。
1 2 3 4  用括號括起來的數據代表不確定性。
↑  半衰期超过5亿年的同位素以粗體表示。
↑  穩定的衰變產物以粗體表示。
↑  Believed to undergo β+β+ decay to 120Sn with a half-life over 2.2×1016 years
↑  Believed to undergo β+ decay to 123Sb with a half-life over 9.2×1016 years
1 2 3 4 5 6 7  Fission product
1 2  Primordial radionuclide
↑  Longest measured half-life of any nuclide
↑  Very short-lived fission product, responsible for the iodine pit as precursor of 135Xe via 135I
| 0 | 1 | 2 |
| --- | --- | --- |

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