Eu
Європій
Z 63 151,964 г/мольЛантаноїд
| 153Eu | 90 | 152,9212 | -73 367,5 | 52,19% | Стабільний | 5/2+ | --- | 1933 |
| 151Eu | 88 | 150,9199 | -74 653,1 | 47,81% | 4,6 Ер | 5/2+ | α→147Pm(100%) | 1933 |
| 130Eu | 67 | 129,964 | -33 510,0 | --- | 1,0 мс | (1+) | p→129Sm(100%) β⁺→130Sm β⁺p→129Pm | 2004 |
| 131Eu | 68 | 130,9576 | -39 460,0 | --- | 17,8 мс | 3/2+ | p→130Sm(89%) β⁺→131Sm β⁺p→130Pm | 1998 |
| 132Eu | 69 | 131,9547 | -42 200,0 | --- | 100,0 мс | (1+) | β⁺→132Sm β⁺p→131Pm | --- |
| 133Eu | 70 | 132,9493 | -47 240,0 | --- | 200,0 мс | (5/2+) | β⁺→133Sm β⁺p→132Pm | --- |
| 134Eu | 71 | 133,9465 | -49 800,0 | --- | 500,0 мс | --- | β⁺→134Sm(100%) β⁺p→133Pm | 1989 |
| 135Eu | 72 | 134,9419 | -54 150,0 | --- | 1,5 с | (5/2+) | β⁺→135Sm(100%) β⁺p→134Pm | 1989 |
| 136Eu | 73 | 135,9396 | -56 240,0 | --- | 3,3 с | (6+) | β⁺→136Sm(99,91%) β⁺p→135Pm(0,09%) | 1987 |
| 136mEu | 73 | 135,9397 | -56 140,0 | --- | 3,8 с | (1+) | β⁺→136Sm(99,91%) β⁺p→135Pm(0,09%) | 1987 |
| 137Eu | 74 | 136,9354 | -60 146,0 | --- | 8,4 с | (5/2+) | β⁺→137Sm(100%) | 1982 |
| 138Eu | 75 | 137,9337 | -61 750,0 | --- | 5,0 с | (2-) | β⁺→138Sm | 1982 |
| 138mEu | 75 | 137,9338 | -61 650,0 | --- | 12,1 с | (7-) | β⁺→138Sm(100%) | 1982 |
| 139Eu | 76 | 138,9298 | -65 398,0 | --- | 17,9 с | (11/2-) | β⁺→139Sm(100%) | 1975 |
| 139mEu | 76 | 138,93 | -65 250,0 | --- | 10,0 мкс | (7/2+) | γ→139Eu(100%) | 2011 |
| 140Eu | 77 | 139,9281 | -66 990,0 | --- | 1,51 с | 1+ | β⁺→140Sm(100%) β⁺(95,1%) EC→140Sm(4,9%) | 1982 |
| 140mEu | 77 | 139,9283 | -66 780,0 | --- | 125,0 мс | (5-) | γ→140Eu(100%) β⁺→140Sm(<1%) | 1988 |
| 140nEu | 77 | 139,9288 | -66 320,0 | --- | 299,8 нс | (8+) | γ→140Eu(100%) | 2002 |
| 141Eu | 78 | 140,9249 | -69 926,0 | --- | 40,7 с | 5/2+ | β⁺→141Sm(100%) | 1977 |
| 141mEu | 78 | 140,925 | -69 830,0 | --- | 2,7 с | 11/2- | γ→141Eu(86%) β⁺→141Sm(14%) | 1973 |
| 142Eu | 79 | 141,9234 | -71 310,0 | --- | 2,36 с | 1+ | β⁺→142Sm(100%) β⁺(89,9%) EC→142Sm(10,1%) | 1966 |
| 142mEu | 79 | 141,9239 | -70 856,0 | --- | 1,22 хв | 8- | β⁺→142Sm(100%) | 1966 |
| 143Eu | 80 | 142,9203 | -74 241,0 | --- | 2,59 хв | 5/2+ | β⁺→143Sm(100%) | 1965 |
| 143mEu | 80 | 142,9207 | -73 851,0 | --- | 50,0 мкс | 11/2- | γ→143Eu(100%) | 1978 |
| 144Eu | 81 | 143,9188 | -75 619,0 | --- | 10,2 с | 1+ | β⁺→144Sm(100%) | 1965 |
| 144mEu | 81 | 143,92 | -74 491,0 | --- | 1,0 мкс | 8- | γ→144Eu(100%) | 1976 |
| 145Eu | 82 | 144,9163 | -77 992,0 | --- | 5,93 д | 5/2+ | β⁺→145Sm(100%) | 1951 |
| 145mEu | 82 | 144,917 | -77 276,0 | --- | 490,0 нс | 11/2- | γ→145Eu(100%) | 1975 |
| 146Eu | 83 | 145,9172 | -77 118,0 | --- | 4,61 д | 4- | β⁺→146Sm(100%) | 1957 |
| 146mEu | 83 | 145,9179 | -76 452,0 | --- | 235,0 мкс | 9+ | γ→146Eu(100%) | 1962 |
| 147Eu | 84 | 146,9168 | -77 544,6 | --- | 24,1 д | 5/2+ | β⁺→147Sm(~100%) α→143Pm(0,002%) | 1951 |
| 147mEu | 84 | 146,9174 | -76 919,3 | --- | 765,0 нс | 11/2- | γ→147Eu(100%) | 1970 |
| 148Eu | 85 | 147,9181 | -76 297,0 | --- | 54,5 д | 5- | β⁺→148Sm(~100%) α→144Pm(9,4е-7%) | 1951 |
| 148mEu | 85 | 147,9189 | -75 577,0 | --- | 162,0 нс | 9+ | γ→148Eu(100%) | 1980 |
| 149Eu | 86 | 148,9179 | -76 441,0 | --- | 93,1 д | 5/2+ | EC→149Sm(100%) | 1959 |
| 149mEu | 86 | 148,9185 | -75 945,0 | --- | 2,45 мкс | 11/2- | γ→149Eu(100%) | 1961 |
| 150Eu | 87 | 149,9197 | -74 792,0 | --- | 36,9 р | 5- | β⁺→150Sm(100%) | 1950 |
| 150mEu | 87 | 149,9198 | -74 750,0 | --- | 12,8 год | 0- | β⁻→150Gd(89%) β⁺→150Sm(11%) γ→150Eu | 1953 |
| 151mEu | 88 | 150,9201 | -74 456,9 | --- | 58,9 мкс | 11/2- | γ→151Eu(100%) | 1958 |
| 152Eu | 89 | 151,9218 | -72 888,5 | --- | 13,52 р | 3- | β⁺→152Sm(72,08%) β⁻→152Gd(27,92%) | 1938 |
| 152mEu | 89 | 151,9218 | -72 842,9 | --- | 9,31 год | 0- | β⁻→152Gd(73%) β⁺→152Sm(27%) | 1958 |
| 152nEu | 89 | 151,9218 | -72 823,2 | --- | 940,0 нс | 1- | γ→152Eu(100%) | 1978 |
| 153mEu | 90 | 152,9231 | -71 596,5 | --- | 475,0 нс | 19/2- | γ→153Eu(100%) | 2000 |
| 154Eu | 91 | 153,923 | -71 738,4 | --- | 8,59 р | 3- | β⁻→154Gd(99,982%) EC→154Sm(0,018%) | 1947 |
| 154mEu | 91 | 153,9231 | -71 670,2 | --- | 2,2 мкс | 2+ | γ→154Eu(100%) | 1964 |
| 154nEu | 91 | 153,9231 | -71 593,1 | --- | 46,3 хв | (8-) | γ→154Eu(100%) | 1975 |
| 155Eu | 92 | 154,9229 | -71 818,3 | --- | 4,74 р | 5/2+ | β⁻→155Gd(100%) | 1947 |
| 156Eu | 93 | 155,9248 | -70 083,0 | --- | 15,19 д | 0+ | β⁻→156Gd(100%) | 1947 |
| 157Eu | 94 | 156,9254 | -69 459,0 | --- | 15,18 год | 5/2+ | β⁻→157Gd(100%) | 1951 |
| 158Eu | 95 | 157,9278 | -67 270,5 | --- | 45,9 хв | 1- | β⁻→158Gd(100%) | 1951 |
| 159Eu | 96 | 158,9291 | -66 043,0 | --- | 18,1 хв | 5/2+ | β⁻→159Gd(100%) | 1961 |
| 160Eu | 97 | 159,9318 | -63 493,4 | --- | 42,6 с | (5-) | β⁻→160Gd(100%) | 1973 |
| 160mEu | 97 | 159,9319 | -63 400,4 | --- | 30,8 с | (1-) | β⁻→160Gd(100%) | 2016 |
| 161Eu | 98 | 160,9337 | -61 792,0 | --- | 26,2 с | (5/2+) | β⁻→161Gd(100%) | 1986 |
| 162Eu | 99 | 161,937 | -58 722,9 | --- | --- | (1+) | β⁻→162Gd(100%) | 1987 |
| 162mEu | 99 | 161,9371 | -58 565,0 | --- | 15,0 с | (6+) | β⁻→162Gd(100%) | 2016 |
| 163Eu | 100 | 162,9393 | -56 573,8 | --- | 7,7 с | (5/2+) | β⁻→163Gd(100%) | 2007 |
| 163mEu | 100 | 162,9403 | -55 609,3 | --- | 911,0 нс | (13/2-) | γ→163Eu(100%) | 2017 |
| 164Eu | 101 | 163,9429 | -53 232,1 | --- | 4,16 с | (3-) | β⁻→164Gd(100%) | 2007 |
| 165Eu | 102 | 164,9455 | -50 729,0 | --- | 2,53 с | (5/2+) | β⁻→165Gd(100%) β⁻n→164Gd | 2007 |
| 166Eu | 103 | 165,9498 | -46 750,0 | --- | 1,24 с | (0-) | β⁻→166Gd(100%) β⁻n→165Gd | 2007 |
| 167Eu | 104 | 166,953 | -43 770,0 | --- | 1,33 с | (5/2+) | β⁻→167Gd(100%) β⁻n→166Gd | 2012 |
| 168Eu | 105 | 167,9579 | -39 250,0 | --- | 200,0 мс | (6-) | β⁻→168Gd(100%) β⁻n→167Gd | 2012 |
| 169Eu | 106 | 168,9617 | -35 660,0 | --- | 420,0 мс | (5/2+) | β⁻→169Gd | 2018 |
| 170Eu | 107 | 169,9669 | -30 860,0 | --- | --- | --- | β⁻→170Gd β⁻n→169Gd | --- |