U
Уран
Z 92 238,029 г/мольАктиноїд Радіоактивний
| 238U | 146 | 238,0508 | 47 307,7 | 99,2742% | 4,46 Гр | 0+ | α→234Th(~100%) SF(5,44е-5%) β⁻(2,2е-10%) | 1896 |
| 235U | 143 | 235,0439 | 40 918,8 | 0,7204% | 704,0 Мр | 7/2- | α→231Th(~100%) SF(7е-9%) CD→215Pb(8е-10%) CD→210Pb(8е-10%) CD→207Hg(8е-10%) | 1935 |
| 234U | 142 | 234,041 | 38 145,0 | 0,0054% | 245,5 кр | 0+ | α→230Th(~100%) SF(1,64е-9%) CD→206Hg(1,4е-11%) CD(9е-12%) | 1912 |
| 215U | 123 | 215,0267 | 24 890,0 | --- | 1,4 мс | (5/2-) | α→211Th β⁺→215Pa | 2015 |
| 216U | 124 | 216,0248 | 23 066,0 | --- | 6,9 мс | 0+ | α→212Th(100%) | 2015 |
| 216mU | 124 | 216,0272 | 25 320,0 | --- | 1,4 мс | (8+) | α→212Th(100%) | 2015 |
| 217U | 125 | 217,0247 | 22 970,0 | --- | 850,0 мкс | (1/2-) | α→213Th(100%) β⁻→217Np | 2000 |
| 218U | 126 | 218,0235 | 21 895,0 | --- | 354,0 мкс | 0+ | α→214Th(100%) | 1992 |
| 218mU | 126 | 218,0258 | 24 004,0 | --- | 408,0 мкс | (8+) | α→214Th(100%) γ→218U | 2005 |
| 219U | 127 | 219,025 | 23 296,0 | --- | 60,0 мкс | (9/2+) | α→215Th(100%) β⁺→219Pa | 1993 |
| 220U | 128 | 220,0247 | 23 010,0 | --- | 60,0 нс | 0+ | α→216Th β⁺→220Pa | --- |
| 221U | 129 | 221,0263 | 24 520,0 | --- | 660,0 нс | (9/2+) | α→217Th(100%) β⁺→221Pa | 2015 |
| 222U | 130 | 222,0261 | 24 270,0 | --- | 4,7 мкс | 0+ | α→218Th(100%) β⁺→222Pa | 1983 |
| 223U | 131 | 223,028 | 26 050,0 | --- | 65,0 мкс | (7/2+) | α→219Th(100%) β⁺→223Pa | 1991 |
| 224U | 132 | 224,0276 | 25 743,0 | --- | 396,0 мкс | 0+ | α→220Th(100%) β⁺→224Pa | 1991 |
| 225U | 133 | 225,0294 | 27 372,0 | --- | 62,0 мс | (5/2+) | α→221Th(100%) | 1989 |
| 226U | 134 | 226,0293 | 27 329,0 | --- | 269,0 мс | 0+ | α→222Th(100%) | 1973 |
| 227U | 135 | 227,0312 | 29 045,0 | --- | 1,1 хв | (3/2+) | α→223Th(100%) β⁺→227Pa | 1952 |
| 228U | 136 | 228,0314 | 29 220,0 | --- | 9,1 хв | 0+ | α→224Th(97,5%) EC→228Pa(2,5%) | 1949 |
| 229U | 137 | 229,0335 | 31 211,0 | --- | 57,8 хв | 3/2+ | β⁺→229Pa(80%) α→225Th(20%) | 1949 |
| 230U | 138 | 230,0339 | 31 615,0 | --- | 20,23 д | 0+ | α→226Th(~100%) CD→208Pb(4,8е-12%) SF | 1948 |
| 231U | 139 | 231,0363 | 33 806,0 | --- | 4,2 д | (5/2+) | EC→231Pa(~100%) α→227Th(0,004%) | 1949 |
| 232U | 140 | 232,0372 | 34 609,4 | --- | 68,9 р | 0+ | α→228Th(~100%) CD→208Pb(8,9е-10%) CD→204Hg(<5е-12%) SF(2,7е-12%) | 1949 |
| 233U | 141 | 233,0396 | 36 919,1 | --- | 159,19 кр | 5/2+ | α→229Th(~100%) CD→209Pb(7,2е-11%) SF(<6е-11%) CD→205Hg(<1,3е-13%) | 1947 |
| 234mU | 142 | 234,0425 | 39 566,3 | --- | 33,5 мкс | 6- | γ→234U(100%) | 1963 |
| 235mU | 143 | 235,0439 | 40 918,9 | --- | 25,7 хв | 1/2+ | γ→235U(100%) | 1966 |
| 235nU | 143 | 235,0466 | 43 420,0 | --- | 3,6 мс | --- | SF(100%) γ→235U | 2007 |
| 236U | 144 | 236,0456 | 42 444,6 | --- | 23,42 Мр | 0+ | α→232Th(~100%) SF(9,4е-8%) | 1951 |
| 236mU | 144 | 236,0467 | 43 497,1 | --- | 100,0 нс | 4- | γ→236U(100%) | 1973 |
| 236nU | 144 | 236,0485 | 45 195,0 | --- | 120,0 нс | (0+) | γ→236U(87%) SF(13%) α→232Th | 1969 |
| 237U | 145 | 237,0487 | 45 390,1 | --- | 6,75 д | 1/2+ | β⁻→237Np(100%) | 1940 |
| 237mU | 145 | 237,049 | 45 664,1 | --- | 155,0 нс | 7/2- | γ→237U(100%) | 1968 |
| 238mU | 146 | 238,0535 | 49 865,6 | --- | 280,0 нс | 0+ | γ→238U(97,4%) SF(2,6%) | 1979 |
| 239U | 147 | 239,0543 | 50 572,7 | --- | 23,45 хв | 5/2+ | β⁻→239Np(100%) | 1937 |
| 239mU | 147 | 239,0544 | 50 706,5 | --- | 780,0 нс | 1/2+ | γ→239U(100%) | 1975 |
| 239nU | 147 | 239,057 | 53 070,0 | --- | --- | --- | SF γ→239U | 1994 |
| 240U | 148 | 240,0566 | 52 715,5 | --- | 14,1 год | 0+ | β⁻→240Np(100%) α→236Th | 1953 |
| 241U | 149 | 241,0603 | 56 200,0 | --- | 4,0 хв | (7/2+) | β⁻→241Np | --- |
| 242U | 150 | 242,0629 | 58 620,0 | --- | 16,8 хв | 0+ | β⁻→242Np(100%) | 1979 |
| 243U | 151 | 243,0671 | 62 480,0 | --- | 16,0 хв | (9/2-) | β⁻→243Np | --- |