Table
| nuclide symbol |
Z(p) | N(n) | isotopic mass (u) |
half-life | decay mode(s) |
daughter isotope(s) |
nuclear spin |
representative isotopic composition (mole fraction) |
range of natural variation (mole fraction) |
|---|---|---|---|---|---|---|---|---|---|
| excitation energy | |||||||||
| 110Xe | 54 | 56 | 109.94428(14) | 310(190) ms |
β+ | 110I | 0+ | ||
| α | 106Te | ||||||||
| 111Xe | 54 | 57 | 110.94160(33)# | 740(200) ms | β+ (90%) | 111I | 5/2+# | ||
| α (10%) | 107Te | ||||||||
| 112Xe | 54 | 58 | 111.93562(11) | 2.7(8) s | β+ (99.1%) | 112I | 0+ | ||
| α (.9%) | 108Te | ||||||||
| 113Xe | 54 | 59 | 112.93334(9) | 2.74(8) s | β+ (92.98%) | 113I | (5/2+)# | ||
| β+, p (7%) | 112Te | ||||||||
| α (.011%) | 109Te | ||||||||
| β+, α (.007%) | 109Sb | ||||||||
| 114Xe | 54 | 60 | 113.927980(12) | 10.0(4) s | β+ | 114I | 0+ | ||
| 115Xe | 54 | 61 | 114.926294(13) | 18(4) s | β+ (99.65%) | 115I | (5/2+) | ||
| β+, p (.34%) | 114Te | ||||||||
| β+, α (3×10−4%) | 111Sb | ||||||||
| 116Xe | 54 | 62 | 115.921581(14) | 59(2) s | β+ | 116I | 0+ | ||
| 117Xe | 54 | 63 | 116.920359(11) | 61(2) s | β+ (99.99%) | 117I | 5/2(+) | ||
| β+, p (.0029%) | 116Te | ||||||||
| 118Xe | 54 | 64 | 117.916179(11) | 3.8(9) min | β+ | 118I | 0+ | ||
| 119Xe | 54 | 65 | 118.915411(11) | 5.8(3) min | β+ | 119I | 5/2(+) | ||
| 120Xe | 54 | 66 | 119.911784(13) | 40(1) min | β+ | 120I | 0+ | ||
| 121Xe | 54 | 67 | 120.911462(12) | 40.1(20) min | β+ | 121I | (5/2+) | ||
| 122Xe | 54 | 68 | 121.908368(12) | 20.1(1) h | β+ | 122I | 0+ | ||
| 123Xe | 54 | 69 | 122.908482(10) | 2.08(2) h | EC | 123I | 1/2+ | ||
| 123mXe | 185.18(22) keV | 5.49(26) µs | 7/2(-) | ||||||
| 124Xe | 54 | 70 | 123.905893(2) | Observationally Stable | 0+ | 9.52(3)×10−4 | |||
| 125Xe | 54 | 71 | 124.9063955(20) | 16.9(2) h | β+ | 125I | 1/2(+) | ||
| 125m1Xe | 252.60(14) keV | 56.9(9) s | IT | 125Xe | 9/2(-) | ||||
| 125m2Xe | 295.86(15) keV | 0.14(3) µs | 7/2(+) | ||||||
| 126Xe | 54 | 72 | 125.904274(7) | Observationally Stable | 0+ | 8.90(2)×10−4 | |||
| 127Xe | 54 | 73 | 126.905184(4) | 36.345(3) d | EC | 127I | 1/2+ | ||
| 127mXe | 297.10(8) keV | 69.2(9) s | IT | 127Xe | 9/2- | ||||
| 128Xe | 54 | 74 | 127.9035313(15) | Stable | 0+ | 0.019102(8) | |||
| 129Xe | 54 | 75 | 128.9047794(8) | Stable | 1/2+ | 0.264006(82) | |||
| 129mXe | 236.14(3) keV | 8.88(2) d | IT | 129Xe | 11/2- | ||||
| 130Xe | 54 | 76 | 129.9035080(8) | Stable | 0+ | 0.040710(13) | |||
| 131Xe | 54 | 77 | 130.9050824(10) | Stable | 3/2+ | 0.212324(30) | |||
| 131mXe | 163.930(8) keV | 11.934(21) d | IT | 131Xe | 11/2- | ||||
| 132Xe | 54 | 78 | 131.9041535(10) | Stable | 0+ | 0.269086(33) | |||
| 132mXe | 2752.27(17) keV | 8.39(11) ms | IT | 132Xe | (10+) | ||||
| 133Xe | 54 | 79 | 132.9059107(26) | 5.2475(5) d | β- | 133Cs | 3/2+ | ||
| 133mXe | 233.221(18) keV | 2.19(1) d | IT | 133Xe | 11/2- | ||||
| 134Xe | 54 | 80 | 133.9053945(9) | Observationally Stable | 0+ | 0.104357(21) | |||
| 134m1Xe | 1965.5(5) keV | 290(17) ms | IT | 134Xe | 7- | ||||
| 134m2Xe | 3025.2(15) keV | 5(1) µs | (10+) | ||||||
| 135Xe | 54 | 81 | 134.907227(5) | 9.14(2) h | β- | 135Cs | 3/2+ | ||
| 135mXe | 526.551(13) keV | 15.29(5) min | IT (99.99%) | 135Xe | 11/2- | ||||
| β- (.004%) | 135Cs | ||||||||
| 136Xe | 54 | 82 | 135.907219(8) | 2.11(0.04,0.21) x 1021yr | β-β- | 136Ba | 0+ | 0.088573(44) | |
| 136mXe | 1891.703(14) keV | 2.95(9) µs | 6+ | ||||||
| 137Xe | 54 | 83 | 136.911562(8) | 3.818(13) min | β- | 137Cs | 7/2- | ||
| 138Xe | 54 | 84 | 137.91395(5) | 14.08(8) min | β- | 138Cs | 0+ | ||
| 139Xe | 54 | 85 | 138.918793(22) | 39.68(14) s | β- | 139Cs | 3/2- | ||
| 140Xe | 54 | 86 | 139.92164(7) | 13.60(10) s | β- | 140Cs | 0+ | ||
| 141Xe | 54 | 87 | 140.92665(10) | 1.73(1) s | β- (99.45%) | 141Cs | 5/2(-#) | ||
| β-, n (.043%) | 140Cs | ||||||||
| 142Xe | 54 | 88 | 141.92971(11) | 1.22(2) s | β- (99.59%) | 142Cs | 0+ | ||
| β-, n (.41%) | 141Cs | ||||||||
| 143Xe | 54 | 89 | 142.93511(21)# | 0.511(6) s | β- | 143Cs | 5/2- | ||
| 144Xe | 54 | 90 | 143.93851(32)# | 0.388(7) s | β- | 144Cs | 0+ | ||
| β-, n | 143Cs | ||||||||
| 145Xe | 54 | 91 | 144.94407(32)# | 188(4) ms | β- | 145Cs | (3/2-)# | ||
| 146Xe | 54 | 92 | 145.94775(43)# | 146(6) ms | β- | 146Cs | 0+ | ||
| 147Xe | 54 | 93 | 146.95356(43)# | 130(80) ms |
β- | 147Cs | 3/2-# | ||
| β-, n | 146Cs | ||||||||
Read more about this topic: Isotopes Of Xenon
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