Xe
Ксенон
Z 54 131,293 г/мольБлагородний газ
| 132Xe | 78 | 131,9042 | -89 278,975 | 26,909% | Стабільний | 0+ | --- | 1920 |
| 129Xe | 75 | 128,9048 | -88 696,07 | 26,401% | Стабільний | 1/2+ | --- | 1920 |
| 131Xe | 77 | 130,9051 | -88 413,575 | 21,232% | Стабільний | 3/2+ | --- | 1920 |
| 134Xe | 80 | 133,9054 | -88 125,834 | 10,436% | Стабільний | 0+ | β⁻ | 1920 |
| 136Xe | 82 | 135,9072 | -86 429,17 | 8,857% | 2,18 Зр | 0+ | β⁻(100%) | 1920 |
| 130Xe | 76 | 129,9035 | -89 880,474 | 4,071% | Стабільний | 0+ | --- | 1922 |
| 128Xe | 74 | 127,9035 | -89 860,534 | 1,91% | Стабільний | 0+ | --- | 1922 |
| 124Xe | 70 | 123,9059 | -87 667,4 | 0,095% | Стабільний | 0+ | β⁺ | 1922 |
| 126Xe | 72 | 125,9043 | -89 146,387 | 0,089% | Стабільний | 0+ | β⁺ | 1922 |
| 108Xe | 54 | 107,9542 | -42 630,0 | --- | 72,0 мкс | 0+ | α→104Te(100%) | 2018 |
| 109Xe | 55 | 108,9504 | -46 170,0 | --- | 13,0 мс | (7/2+) | α→105Te(100%) β⁺→109I β⁺p→108Te | 2006 |
| 110Xe | 56 | 109,9443 | -51 920,0 | --- | 93,0 мс | 0+ | α→106Te(64%) β⁺→110I(36%) β⁺p→109Te | 1981 |
| 111Xe | 57 | 110,9415 | -54 520,0 | --- | 740,0 мс | (5/2+) | β⁺→111I(89,6%) α→107Te(10,4%) β⁺p→110Te | 1979 |
| 112Xe | 58 | 111,9356 | -60 026,0 | --- | 2,7 с | 0+ | β⁺→112I(98,8%) α→108Te(1,2%) β⁺p→111Te | 1978 |
| 113Xe | 59 | 112,9332 | -62 204,0 | --- | 2,74 с | (5/2+) | β⁺→113I(92,993%) β⁺p→112Te(7%) β⁺α→109Sb(0,007%) α→109Te | 1973 |
| 113mXe | 59 | 112,9337 | -61 800,0 | --- | 6,9 мкс | (11/2-) | γ→113Xe(100%) | 2013 |
| 114Xe | 60 | 113,928 | -67 086,0 | --- | 10,0 с | 0+ | β⁺→114I(100%) | 1977 |
| 115Xe | 61 | 114,9263 | -68 657,0 | --- | 18,0 с | (5/2+) | β⁺→115I(99,66%) β⁺p→114Te(0,34%) | 1969 |
| 116Xe | 62 | 115,9216 | -73 047,0 | --- | 59,0 с | 0+ | β⁺→116I(100%) | 1969 |
| 117Xe | 63 | 116,9204 | -74 185,0 | --- | 1,02 хв | 5/2+ | β⁺→117I(99,997%) β⁺p→116Te(0,003%) | 1969 |
| 118Xe | 64 | 117,9162 | -78 079,0 | --- | 3,8 хв | 0+ | β⁺→118I(100%) | 1965 |
| 119Xe | 65 | 118,9154 | -78 794,0 | --- | 5,8 хв | 5/2+ | β⁺→119I(100%) β⁺(79%) EC→119I(21%) | 1965 |
| 120Xe | 66 | 119,9118 | -82 172,0 | --- | 46,0 хв | 0+ | β⁺→120I(100%) | 1965 |
| 121Xe | 67 | 120,9115 | -82 481,0 | --- | 40,1 хв | 5/2+ | β⁺→121I(100%) | 1952 |
| 122Xe | 68 | 121,9084 | -85 355,0 | --- | 20,1 год | 0+ | EC→122I(100%) | 1952 |
| 123Xe | 69 | 122,9085 | -85 248,0 | --- | 2,08 год | 1/2+ | β⁺→123I(100%) | 1952 |
| 123mXe | 69 | 122,9087 | -85 063,0 | --- | 5,49 мкс | 7/2- | γ→123Xe(100%) | 1981 |
| 125Xe | 71 | 124,9064 | -87 199,4 | --- | 16,87 год | 1/2+ | β⁺→125I(100%) | 1950 |
| 125mXe | 71 | 124,9067 | -86 946,8 | --- | 56,9 с | 9/2- | γ→125Xe(100%) | 1954 |
| 125nXe | 71 | 124,9067 | -86 903,5 | --- | 140,0 нс | 7/2+ | γ→125Xe(100%) | 1979 |
| 127Xe | 73 | 126,9052 | -88 321,0 | --- | 36,34 д | 1/2+ | EC→127I(100%) | 1950 |
| 127mXe | 73 | 126,9055 | -88 024,0 | --- | 1,15 хв | 9/2- | γ→127Xe(100%) | 1940 |
| 128mXe | 74 | 127,9065 | -87 073,3 | --- | 83,0 нс | 8- | γ→128Xe(100%) | 1981 |
| 129mXe | 75 | 128,905 | -88 459,93 | --- | 8,88 д | 11/2- | γ→129Xe(100%) | 1951 |
| 131mXe | 77 | 130,9053 | -88 249,645 | --- | 11,95 д | 11/2- | γ→131Xe(100%) | 1966 |
| 132mXe | 78 | 131,9071 | -86 526,77 | --- | 8,39 мс | (10+) | γ→132Xe(100%) | 1976 |
| 133Xe | 79 | 132,9059 | -87 643,6 | --- | 5,25 д | 3/2+ | β⁻→133Cs(100%) | 1940 |
| 133mXe | 79 | 132,9062 | -87 410,4 | --- | 2,2 д | 11/2- | γ→133Xe(100%) | 1951 |
| 133nXe | 79 | 132,9082 | -85 497,0 | --- | 8,64 мс | (23/2+) | γ→133Xe(100%) | 2017 |
| 134mXe | 80 | 133,9075 | -86 160,3 | --- | 290,0 мс | 7- | γ→134Xe(100%) | 1968 |
| 134nXe | 80 | 133,9086 | -85 100,6 | --- | 5,0 мкс | (10+) | γ→134Xe(100%) | 2001 |
| 135Xe | 81 | 134,9072 | -86 413,0 | --- | 9,14 год | 3/2+ | β⁻→135Cs(100%) | 1940 |
| 135mXe | 81 | 134,9078 | -85 886,0 | --- | 15,29 хв | 11/2- | γ→135Xe(~100%) β⁻→135Cs(0,3%) | 1960 |
| 136mXe | 82 | 135,9092 | -84 537,43 | --- | 2,92 мкс | 6+ | γ→136Xe(100%) | 1969 |
| 137Xe | 83 | 136,9116 | -82 383,41 | --- | 3,82 хв | 7/2- | β⁻→137Cs(100%) | 1943 |
| 138Xe | 84 | 137,9141 | -79 972,2 | --- | 14,14 хв | 0+ | β⁻→138Cs(100%) | 1943 |
| 139Xe | 85 | 138,9188 | -75 644,6 | --- | 39,68 с | 3/2- | β⁻→139Cs(100%) | 1951 |
| 140Xe | 86 | 139,9216 | -72 986,5 | --- | 13,6 с | 0+ | β⁻→140Cs(100%) | 1951 |
| 141Xe | 87 | 140,9268 | -68 197,3 | --- | 1,73 с | 5/2- | β⁻→141Cs(99,956%) β⁻n→140Cs(0,044%) | 1951 |
| 142Xe | 88 | 141,93 | -65 229,6 | --- | 1,23 с | 0+ | β⁻→142Cs(99,63%) β⁻n→141Cs(0,37%) | 1960 |
| 143Xe | 89 | 142,9354 | -60 203,0 | --- | 511,0 мс | 5/2- | β⁻→143Cs(99%) β⁻n→142Cs(1%) | 1951 |
| 144Xe | 90 | 143,9389 | -56 872,0 | --- | 388,0 мс | 0+ | β⁻→144Cs(97%) β⁻n→143Cs(3%) | 2003 |
| 145Xe | 91 | 144,9447 | -51 493,0 | --- | 188,0 мс | (3/2-) | β⁻→145Cs(95%) β⁻n→144Cs(5%) β⁻n→143Cs | 2003 |
| 146Xe | 92 | 145,9485 | -47 955,0 | --- | 146,0 мс | 0+ | β⁻→146Cs(93,1%) β⁻n→145Cs(6,9%) | 1989 |
| 147Xe | 93 | 146,9545 | -42 400,0 | --- | 88,0 мс | (3/2-) | β⁻→147Cs(100%) β⁻n→146Cs(<8%) β⁻n→145Cs | 1994 |
| 148Xe | 94 | 147,9585 | -38 650,0 | --- | 85,0 мс | 0+ | β⁻→148Cs(100%) β⁻n→147Cs β⁻n→146Cs | 2010 |
| 149Xe | 95 | 148,9646 | -33 000,0 | --- | 50,0 мс | (3/2-) | β⁻→149Cs β⁻n→148Cs β⁻n→147Cs | 2018 |
| 150Xe | 96 | 149,9689 | -28 990,0 | --- | 40,0 мс | 0+ | β⁻→150Cs β⁻n→149Cs β⁻n→148Cs | 2018 |