Gd
Гадоліній
Z 64 157,249 г/мольЛантаноїд
| 158Gd | 94 | 157,9241 | -70 690,0 | 24,84% | Стабільний | 0+ | --- | 1933 |
| 160Gd | 96 | 159,9271 | -67 942,1 | 21,86% | Стабільний | 0+ | β⁻ | 1933 |
| 156Gd | 92 | 155,9221 | -72 535,3 | 20,47% | Стабільний | 0+ | --- | 1933 |
| 157Gd | 93 | 156,924 | -70 823,9 | 15,65% | Стабільний | 3/2- | --- | 1933 |
| 155Gd | 91 | 154,9226 | -72 070,3 | 14,8% | Стабільний | 3/2- | --- | 1933 |
| 154Gd | 90 | 153,9209 | -73 706,4 | 2,18% | Стабільний | 0+ | --- | 1938 |
| 152Gd | 88 | 151,9198 | -74 707,3 | 0,2% | 108,0 Тр | 0+ | α→148Sm(100%) β⁺ | 1938 |
| 133Gd | 69 | 132,9613 | -36 060,0 | --- | 10,0 мс | (5/2+) | β⁺→133Eu β⁺p→132Sm | --- |
| 134Gd | 70 | 133,9554 | -41 530,0 | --- | 400,0 мс | 0+ | β⁺→134Eu β⁺p→133Sm | --- |
| 135Gd | 71 | 134,9525 | -44 250,0 | --- | 1,1 с | (5/2+) | β⁺→135Eu(98%) β⁺p→134Sm(2%) | 1996 |
| 136Gd | 72 | 135,9473 | -49 090,0 | --- | 1,0 с | 0+ | β⁺→136Eu β⁺p→135Sm | 2000 |
| 137Gd | 73 | 136,945 | -51 210,0 | --- | 2,2 с | (7/2+) | β⁺→137Eu(100%) β⁺p→136Sm | 1999 |
| 138Gd | 74 | 137,9402 | -55 660,0 | --- | 4,7 с | 0+ | β⁺→138Eu(100%) | 1985 |
| 138mGd | 74 | 137,9426 | -53 430,0 | --- | 6,2 мкс | (8-) | γ→138Gd(100%) | 1997 |
| 139Gd | 75 | 138,9381 | -57 630,0 | --- | 5,7 с | (9/2-) | β⁺→139Eu(100%) β⁺p→138Sm | 1983 |
| 139mGd | 75 | 138,9384 | -57 380,0 | --- | 4,8 с | (1/2+) | β⁺→139Eu(100%) β⁺p→138Sm | 1983 |
| 140Gd | 76 | 139,9337 | -61 782,0 | --- | 15,8 с | 0+ | β⁺→140Eu(100%) β⁺(67%) EC→140Eu(33%) | 1985 |
| 141Gd | 77 | 140,9321 | -63 224,0 | --- | 14,0 с | (1/2+) | β⁺→141Eu(99,97%) β⁺p→140Sm(0,03%) | 1986 |
| 141mGd | 77 | 140,9325 | -62 846,0 | --- | 24,5 с | (11/2-) | β⁺→141Eu(89%) γ→141Gd(11%) | 1986 |
| 142Gd | 78 | 141,9281 | -66 960,0 | --- | 1,17 хв | 0+ | β⁺→142Eu(100%) EC→142Eu(52%) β⁺(48%) | 1986 |
| 143Gd | 79 | 142,9268 | -68 230,0 | --- | 39,0 с | 1/2+ | β⁺→143Eu(100%) β⁺p→142Sm β⁺α→139Pm | 1975 |
| 143mGd | 79 | 142,9269 | -68 080,0 | --- | 1,83 хв | 11/2- | β⁺→143Eu(100%) β⁺p→142Sm β⁺α→139Pm | 1973 |
| 144Gd | 80 | 143,923 | -71 760,0 | --- | 4,47 хв | 0+ | β⁺→144Eu(100%) | 1968 |
| 144mGd | 80 | 143,9266 | -68 327,0 | --- | 145,0 нс | (10+) | γ→144Gd(100%) | 1978 |
| 145Gd | 81 | 144,9217 | -72 927,0 | --- | 23,0 хв | 1/2+ | β⁺→145Eu(100%) | 1959 |
| 145mGd | 81 | 144,9225 | -72 178,0 | --- | 1,42 хв | 11/2- | γ→145Gd(94,3%) β⁺→145Eu(5,7%) | 1969 |
| 146Gd | 82 | 145,9183 | -76 086,0 | --- | 48,27 д | 0+ | EC→146Eu(100%) | 1957 |
| 147Gd | 83 | 146,9191 | -75 356,9 | --- | 1,59 д | 7/2- | β⁺→147Eu(100%) | 1957 |
| 147mGd | 83 | 146,9283 | -66 769,1 | --- | 510,0 нс | 49/2+ | γ→147Gd(100%) | 1982 |
| 148Gd | 84 | 147,9181 | -76 269,4 | --- | 71,3 р | 0+ | α→144Sm(100%) β⁺ | 1953 |
| 149Gd | 85 | 148,9193 | -75 127,0 | --- | 9,28 д | 7/2- | β⁺→149Eu(~100%) α→145Sm(4,3е-4%) | 1951 |
| 150Gd | 86 | 149,9187 | -75 764,0 | --- | 1,79 Мр | 0+ | α→146Sm(100%) β⁺ | 1953 |
| 151Gd | 87 | 150,9204 | -74 188,9 | --- | 123,9 д | 7/2- | EC→151Eu(~100%) α→147Sm(1,1е-6%) | 1950 |
| 153Gd | 89 | 152,9218 | -72 882,9 | --- | 240,6 д | 3/2- | EC→153Eu(100%) | 1947 |
| 153mGd | 89 | 152,9219 | -72 787,7 | --- | 3,5 мкс | 9/2+ | γ→153Gd(100%) | 1979 |
| 153nGd | 89 | 152,9219 | -72 711,7 | --- | 76,0 мкс | (11/2-) | γ→153Gd(100%) | 1967 |
| 155mGd | 91 | 154,9228 | -71 949,2 | --- | 31,97 мс | 11/2- | γ→155Gd(100%) | 1967 |
| 156mGd | 92 | 155,9244 | -70 397,7 | --- | 1,3 мкс | 7- | γ→156Gd(100%) | 1969 |
| 157mGd | 93 | 156,924 | -70 760,0 | --- | 460,0 нс | 5/2+ | γ→157Gd(100%) | 1964 |
| 157nGd | 93 | 156,9244 | -70 397,4 | --- | 18,5 мкс | 11/2- | γ→157Gd(100%) | 1961 |
| 159Gd | 95 | 158,9264 | -68 561,9 | --- | 18,48 год | 3/2- | β⁻→159Tb(100%) | 1949 |
| 161Gd | 97 | 160,9297 | -65 506,1 | --- | 3,65 хв | 5/2- | β⁻→161Tb(100%) | 1949 |
| 162Gd | 98 | 161,931 | -64 281,0 | --- | 8,4 хв | 0+ | β⁻→162Tb(100%) | 1967 |
| 163Gd | 99 | 162,9341 | -61 388,6 | --- | 1,13 хв | 7/2+ | β⁻→163Tb(100%) | 1982 |
| 163mGd | 99 | 162,9342 | -61 250,4 | --- | 23,5 с | 1/2- | γ→163Gd β⁻→163Tb | 2014 |
| 164Gd | 100 | 163,9359 | -59 693,7 | --- | 45,0 с | 0+ | β⁻→164Tb(100%) | 1988 |
| 164mGd | 100 | 163,9371 | -58 597,9 | --- | 589,0 нс | (4-) | γ→164Gd(100%) | 2017 |
| 165Gd | 101 | 164,9393 | -56 525,8 | --- | 11,6 с | (1/2-) | β⁻→165Tb(100%) | 1998 |
| 166Gd | 102 | 165,9416 | -54 370,9 | --- | 5,1 с | 0+ | β⁻→166Tb(100%) | 2005 |
| 166mGd | 102 | 165,9433 | -52 769,4 | --- | 950,0 нс | (6-) | γ→166Gd(100%) | 2014 |
| 167Gd | 103 | 166,9455 | -50 776,0 | --- | 4,2 с | (5/2-) | β⁻→167Tb(100%) | 2012 |
| 168Gd | 104 | 167,9483 | -48 150,0 | --- | 3,03 с | 0+ | β⁻→168Tb(100%) | 1985 |
| 169Gd | 105 | 168,9529 | -43 890,0 | --- | 750,0 мс | (7/2-) | β⁻→169Tb(100%) β⁻n→168Tb | 2012 |
| 170Gd | 106 | 169,9561 | -40 850,0 | --- | 420,0 мс | 0+ | β⁻→170Tb(100%) β⁻n→169Tb | 2012 |
| 171Gd | 107 | 170,9611 | -36 210,0 | --- | 300,0 мс | (9/2+) | β⁻→171Tb β⁻n→170Tb | 2018 |
| 172Gd | 108 | 171,9646 | -32 970,0 | --- | 160,0 мс | (0+) | β⁻→172Tb β⁻n→171Tb | 2018 |