釔的同位素
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） |
| --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 76 Y  | 39 | 37 | 75.95845(54)# | 500# ns [>170 ns] |  |  |  |  |
| 77Y | 39 | 38 | 76.94965(7)# | 63(17) ms | p (>99.9%) | 76Sr | 5/2+# |  |
| 77Y | 39 | 38 | 76.94965(7)# | 63(17) ms | β+ (<.1%) | 77Sr | 5/2+# |  |
| 78Y | 39 | 39 | 77.94361(43)# | 54(5) ms | β+ | 78Sr | (0+) |  |
| 78mY | 0(500)# keV | 0(500)# keV | 0(500)# keV | 5.8(5) s |  |  | 5+# |  |
| 79Y | 39 | 40 | 78.93735(48) | 14.8(6) s | β+ (>99.9%) | 79Sr | (5/2+)# |  |
| 79Y | 39 | 40 | 78.93735(48) | 14.8(6) s | β+, p (<.1%) | 78Rb | (5/2+)# |  |
| 80Y | 39 | 41 | 79.93428(19) | 30.1(5) s | β+ | 80Sr | 4- |  |
| 80m1Y | 228.5(1) keV | 228.5(1) keV | 228.5(1) keV | 4.8(3) s |  |  | (1-) |  |
| 80m2Y | 312.6(9) keV | 312.6(9) keV | 312.6(9) keV | 4.7(3) µs |  |  | (2+) |  |
| 81Y | 39 | 42 | 80.92913(7) | 70.4(10) s | β+ | 81Sr | (5/2+) |  |
| 82Y | 39 | 43 | 81.92679(11) | 8.30(20) s | β+ | 82Sr | 1+ |  |
| 82m1Y | 402.63(14) keV | 402.63(14) keV | 402.63(14) keV | 268(25) ns |  |  | 4- |  |
| 82m2Y | 507.50(13) keV | 507.50(13) keV | 507.50(13) keV | 147(7) ns |  |  | 6+ |  |
| 83Y | 39 | 44 | 82.92235(5) | 7.08(6) min | β+ | 83Sr | 9/2+ |  |
| 83mY | 61.98(11) keV | 61.98(11) keV | 61.98(11) keV | 2.85(2) min | β+ (60%) | 83Sr | (3/2-) |  |
| 83mY | 61.98(11) keV | 61.98(11) keV | 61.98(11) keV | 2.85(2) min | IT (40%) | 83Y | (3/2-) |  |
| 84Y | 39 | 45 | 83.92039(10) | 4.6(2) s | β+ | 84Sr | 1+ |  |
| 84mY | -80(190) keV | -80(190) keV | -80(190) keV | 39.5(8) min | β+ | 84Sr | (5-) |  |
| 85Y | 39 | 46 | 84.916433(20) | 2.68(5) h | β+ | 85Sr | (1/2)- |  |
| 85m1Y | 19.8(5) keV | 19.8(5) keV | 19.8(5) keV | 4.86(13) h | β+ (99.998%) | 85Sr | 9/2+ |  |
| 85m1Y | 19.8(5) keV | 19.8(5) keV | 19.8(5) keV | 4.86(13) h | IT (.002%) | 85Y | 9/2+ |  |
| 85m2Y | 266.30(20) keV | 266.30(20) keV | 266.30(20) keV | 178(6) ns |  |  | 5/2- |  |
| 86Y | 39 | 47 | 85.914886(15) | 14.74(2) h | β+ | 86Sr | 4- |  |
| 86m1Y | 218.30(20) keV | 218.30(20) keV | 218.30(20) keV | 48(1) min | IT (99.31%) | 86Y | (8+) |  |
| 86m1Y | 218.30(20) keV | 218.30(20) keV | 218.30(20) keV | 48(1) min | β+ (.69%) | 86Sr | (8+) |  |
| 86m2Y | 302.2(5) keV | 302.2(5) keV | 302.2(5) keV | 125(6) ns |  |  | (7-) |  |
| 87Y | 39 | 48 | 86.9108757(17) | 79.8(3) h | β+ | 87Sr | 1/2- |  |
| 87mY | 380.82(7) keV | 380.82(7) keV | 380.82(7) keV | 13.37(3) h | IT (98.43%) | 87Y | 9/2+ |  |
| 87mY | 380.82(7) keV | 380.82(7) keV | 380.82(7) keV | 13.37(3) h | β+ (1.56%) | 87Sr | 9/2+ |  |
| 88Y | 39 | 49 | 87.9095011(20) | 106.616(13) d | β+ | 88Sr | 4- |  |
| 88m1Y | 674.55(4) keV | 674.55(4) keV | 674.55(4) keV | 13.9(2) ms | IT | 88Y | (8)+ |  |
| 88m2Y | 392.86(9) keV | 392.86(9) keV | 392.86(9) keV | 300(3) µs |  |  | 1+ |  |
| 89Y | 39 | 50 | 88.9058483(27) | 稳定 | 稳定 | 稳定 | 1/2- | 1.0000 |
| 89mY | 908.97(3) keV | 908.97(3) keV | 908.97(3) keV | 15.663(5) s | IT | 89Y | 9/2+ |  |
| 90Y | 39 | 51 | 89.9071519(27) | 64.053(20) h | β− | 90Zr | 2- |  |
| 90mY | 681.67(10) keV | 681.67(10) keV | 681.67(10) keV | 3.19(6) h | IT (99.99%) | 90Y | 7+ |  |
| 90mY | 681.67(10) keV | 681.67(10) keV | 681.67(10) keV | 3.19(6) h | β− (.0018%) | 90Zr | 7+ |  |
| 91Y | 39 | 52 | 90.907305(3) | 58.51(6) d | β− | 91Zr | 1/2- |  |
| 91mY | 555.58(5) keV | 555.58(5) keV | 555.58(5) keV | 49.71(4) min | IT (98.5%) | 91Y | 9/2+ |  |
| 91mY | 555.58(5) keV | 555.58(5) keV | 555.58(5) keV | 49.71(4) min | β− (1.5%) | 91Zr | 9/2+ |  |
| 92Y | 39 | 53 | 91.908949(10) | 3.54(1) h | β− | 92Zr | 2- |  |
| 93Y | 39 | 54 | 92.909583(11) | 10.18(8) h | β− | 93Zr | 1/2- |  |
| 93mY | 758.719(21) keV | 758.719(21) keV | 758.719(21) keV | 820(40) ms | IT | 93Y | 7/2+ |  |
| 94Y | 39 | 55 | 93.911595(8) | 18.7(1) min | β− | 94Zr | 2- |  |
| 95Y | 39 | 56 | 94.912821(8) | 10.3(1) min | β− | 95Zr | 1/2- |  |
| 96Y | 39 | 57 | 95.915891(25) | 5.34(5) s | β− | 96Zr | 0- |  |
| 96mY | 1140(30) keV | 1140(30) keV | 1140(30) keV | 9.6(2) s | β− | 96Zr | (8)+ |  |
| 97Y | 39 | 58 | 96.918134(13) | 3.75(3) s | β− (99.942%) | 97Zr | (1/2-) |  |
| 97Y | 39 | 58 | 96.918134(13) | 3.75(3) s | β−, n (.058%) | 96Zr | (1/2-) |  |
| 97m1Y | 667.51(23) keV | 667.51(23) keV | 667.51(23) keV | 1.17(3) s | β− (99.3%) | 97Zr | (9/2)+ |  |
| 97m1Y | 667.51(23) keV | 667.51(23) keV | 667.51(23) keV | 1.17(3) s | IT (.7%) | 97Y | (9/2)+ |  |
| 97m1Y | 667.51(23) keV | 667.51(23) keV | 667.51(23) keV | 1.17(3) s | β−, n (.08%) | 96Zr | (9/2)+ |  |
| 97m2Y | 3523.3(4) keV | 3523.3(4) keV | 3523.3(4) keV | 142(8) ms |  |  | (27/2-) |  |
| 98Y | 39 | 59 | 97.922203(26) | 0.548(2) s | β− (99.669%) | 98Zr | (0)- |  |
| 98Y | 39 | 59 | 97.922203(26) | 0.548(2) s | β−, n (.331%) | 97Zr | (0)- |  |
| 98m1Y | 170.74(6) keV | 170.74(6) keV | 170.74(6) keV | 620(80) ns |  |  | (2)- |  |
| 98m2Y | 410(30) keV | 410(30) keV | 410(30) keV | 2.0(2) s | β− (86.6%) | 98Zr | (5+,4-) |  |
| 98m2Y | 410(30) keV | 410(30) keV | 410(30) keV | 2.0(2) s | IT (10%) | 98Y | (5+,4-) |  |
| 98m2Y | 410(30) keV | 410(30) keV | 410(30) keV | 2.0(2) s | β−, n (3.4%) | 97Zr | (5+,4-) |  |
| 98m3Y | 496.19(15) keV | 496.19(15) keV | 496.19(15) keV | 7.6(4) µs |  |  | (2-) |  |
| 98m4Y | 1181.1(4) keV | 1181.1(4) keV | 1181.1(4) keV | 0.83(10) µs |  |  | (8-) |  |
| 99Y | 39 | 60 | 98.924636(26) | 1.470(7) s | β− (98.1%) | 99Zr | (5/2+) |  |
| 99Y | 39 | 60 | 98.924636(26) | 1.470(7) s | β−, n (1.9%) | 98Zr | (5/2+) |  |
| 99mY | 2141.65(19) keV | 2141.65(19) keV | 2141.65(19) keV | 8.6(8) µs |  |  | (17/2+) |  |
| 100Y | 39 | 61 | 99.92776(8) | 735(7) ms | β− (98.98%) | 100Zr | 1-,2- |  |
| 100Y | 39 | 61 | 99.92776(8) | 735(7) ms | β−, n (1.02%) | 99Zr | 1-,2- |  |
| 100mY | 200(200)# keV | 200(200)# keV | 200(200)# keV | 940(30) ms | β− | 100Zr | (3,4,5)(+#) |  |
| 101Y | 39 | 62 | 100.93031(10) | 426(20) ms | β− (98.06%) | 101Zr | (5/2+) |  |
| 101Y | 39 | 62 | 100.93031(10) | 426(20) ms | β−, n (1.94%) | 100Zr | (5/2+) |  |
| 102Y | 39 | 63 | 101.93356(9) | 0.30(1) s | β− (95.1%) | 102Zr |  |  |
| 102Y | 39 | 63 | 101.93356(9) | 0.30(1) s | β−, n (4.9%) | 101Zr |  |  |
| 102mY | 200(200)# keV | 200(200)# keV | 200(200)# keV | 360(40) ms | β− (94%) | 102Zr | high |  |
| 102mY | 200(200)# keV | 200(200)# keV | 200(200)# keV | 360(40) ms | β−, n (6%) | 101Zr | high |  |
| 103Y | 39 | 64 | 102.93673(32)# | 224(19) ms | β− (91.7%) | 103Zr | 5/2+# |  |
| 103Y | 39 | 64 | 102.93673(32)# | 224(19) ms | β−, n (8.3%) | 102Zr | 5/2+# |  |
| 104Y | 39 | 65 | 103.94105(43)# | 180(60) ms | β− | 104Zr |  |  |
| 105Y | 39 | 66 | 104.94487(54)# | 60# ms [>300 ns] | β− | 105Zr | 5/2+# |  |
| 106Y | 39 | 67 | 105.94979(75)# | 50# ms [>300 ns] | β− | 106Zr |  |  |
| 107Y | 39 | 68 | 106.95414(54)# | 30# ms [>300 ns] |  |  | 5/2+# |  |
| 108Y | 39 | 69 | 107.95948(86)# | 20# ms [>300 ns] |  |  |  |  |
1 2 3 4  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。
↑  穩定的衰變產物以粗體表示。
↑  半衰期超过5亿年的衰变产物以粗斜体表示。
1 2 3  裂变产物
| 0 | 1 | 2 |
| --- | --- | --- |

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