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镉（原子质量单位:112.411(8)）的同位素：
| 符号 | Z(p) | N(n) | 质量(原子质量单位) | 半衰期 | 原子核自旋 | 相对丰度 | 相对丰度的变化率 |
|---|---|---|---|---|---|---|---|
| 激发能量 | |||||||
| 95Cd | 48 | 47 | 94.94987(64)# | 5# ms | 9/2+# | ||
| 96Cd | 48 | 48 | 95.93977(54)# | 1# s | 0+ | ||
| 97Cd | 48 | 49 | 96.93494(43)# | 2.8(6) s | 9/2+# | ||
| 98Cd | 48 | 50 | 97.92740(8) | 9.2(3) s | 0+ | ||
| 98mCd | 2427.5(6) keV | 190(20) ns | 8+# | ||||
| 99Cd | 48 | 51 | 98.92501(22)# | 16(3) s | (5/2+) | ||
| 100Cd | 48 | 52 | 99.92029(10) | 49.1(5) s | 0+ | ||
| 101Cd | 48 | 53 | 100.91868(16) | 1.36(5) min | (5/2+) | ||
| 102Cd | 48 | 54 | 101.91446(3) | 5.5(5) min | 0+ | ||
| 103Cd | 48 | 55 | 102.913419(17) | 7.3(1) min | 5/2+ | ||
| 104Cd | 48 | 56 | 103.909849(10) | 57.7(10) min | 0+ | ||
| 105Cd | 48 | 57 | 104.909468(12) | 55.5(4) min | 5/2+ | ||
| 106Cd | 48 | 58 | 105.906459(6) | 稳定 [>410E+18 a] | 0+ | 0.0125(6) | |
| 107Cd | 48 | 59 | 106.906618(6) | 6.50(2) h | 5/2+ | ||
| 108Cd | 48 | 60 | 107.904184(6) | 稳定[>410E+15 a] | 0+ | 0.0089(3) | |
| 109Cd | 48 | 61 | 108.904982(4) | 461.4(12) d | 5/2+ | ||
| 109m1Cd | 59.6(4) keV | 12(2) µs | 1/2+ | ||||
| 109m2Cd | 463.0(5) keV | 10.9(5) µs | 11/2- | ||||
| 110Cd | 48 | 62 | 109.9030021(29) | 稳定 | 0+ | 0.1249(18) | |
| 111Cd | 48 | 63 | 110.9041781(29) | 稳定 | 1/2+ | 0.1280(12) | |
| 111mCd | 396.214(21) keV | 48.50(9) min | 11/2- | ||||
| 112Cd | 48 | 64 | 111.9027578(29) | 稳定 | 0+ | 0.2413(21) | |
| 113Cd | 48 | 65 | 112.9044017(29) | 7.7(3)E+15 a | 1/2+ | 0.1222(12) | |
| 113mCd | 263.54(3) keV | 14.1(5) a | 11/2- | ||||
| 114Cd | 48 | 66 | 113.9033585(29) | 稳定 [>6.4E+18 a] | 0+ | 0.2873(42) | |
| 115Cd | 48 | 67 | 114.9054310(29) | 53.46(5) h | 1/2+ | ||
| 115mCd | 181.0(5) keV | 44.56(24) d | (11/2)- | ||||
| 116Cd | 48 | 68 | 115.904756(3) | 3.1(4)E+19 a | 0+ | 0.0749(18) | |
| 117Cd | 48 | 69 | 116.907219(4) | 2.49(4) h | 1/2+ | ||
| 117mCd | 136.4(2) keV | 3.36(5) h | (11/2)- | ||||
| 118Cd | 48 | 70 | 117.906915(22) | 50.3(2) min | 0+ | ||
| 119Cd | 48 | 71 | 118.90992(9) | 2.69(2) min | (3/2+) | ||
| 119mCd | 146.54(11) keV | 2.20(2) min | (11/2-)# | ||||
| 120Cd | 48 | 72 | 119.90985(2) | 50.80(21) s | 0+ | ||
| 121Cd | 48 | 73 | 120.91298(9) | 13.5(3) s | (3/2+) | ||
| 121mCd | 214.86(15) keV | 8.3(8) s | (11/2-) | ||||
| 122Cd | 48 | 74 | 121.91333(5) | 5.24(3) s | 0+ | ||
| 123Cd | 48 | 75 | 122.91700(4) | 2.10(2) s | (3/2)+ | ||
| 123mCd | 316.52(23) keV | 1.82(3) s | (11/2-) | ||||
| 124Cd | 48 | 76 | 123.91765(7) | 1.25(2) s | 0+ | ||
| 125Cd | 48 | 77 | 124.92125(7) | 0.65(2) s | (3/2+)# | ||
| 125mCd | 50(70) keV | 570(90) ms | 11/2-# | ||||
| 126Cd | 48 | 78 | 125.92235(6) | 0.515(17) s | 0+ | ||
| 127Cd | 48 | 79 | 126.92644(8) | 0.37(7) s | (3/2+) | ||
| 128Cd | 48 | 80 | 127.92776(32) | 0.28(4) s | 0+ | ||
| 129Cd | 48 | 81 | 128.93215(32)# | 242(8) ms | 3/2+# | ||
| 129mCd | 0(200)# keV | 104(6) ms | 11/2-# | ||||
| 130Cd | 48 | 82 | 129.9339(3) | 162(7) ms | 0+ | ||
| 131Cd | 48 | 83 | 130.94067(32)# | 68(3) ms | 7/2-# | ||
| 132Cd | 48 | 84 | 131.94555(54)# | 97(10) ms | 0+ | ||