91 122 213,02111(8) 7(3) ms[5,3(+40−16) ms] α 9/2− 91 123 214,02092(8) 17(3) ms α 91 124 215,01919(9) 14(2) ms α 9/2− 91 125 216,01911(8) 105(12) ms α (80%) β+ (20%) 91 126 217,01832(6) 3,48(9) ms α 9/2− 217mPa 1860(7) keV 1,08(3) ms α 29/2+ IT (rzadko) 91 127 218,020042(26) 0,113(1) ms α 91 128 219,01988(6) 53(10) ns α 9/2− β+ (5%) 91 129 220,02188(6) 780(160) ns α 1− 91 130 221,02188(6) 4,9(8) µs α 9/2− 91 131 222,02374(8) 3,2(3) ms α 91 132 223,02396(8) 5,1(6) ms α β+ (0,001%) 91 133 224,025626(17) 844(19) ms α (99,9%) 5− β+ (0,1%) 91 134 225,02613(8) 1,7(2) s α 5/2− 91 135 226,027948(12) 1,8(2) min α (74%) β+ (26%) 91 136 227,028805(8) 38,3(3) min α (85%) (5/2−) EC (15%) 91 137 228,031051(5) 22(1) h β+ (98,15%) 3+ α (1,85%) 91 138 229,0320968(30) 1,50(5) d EC (99,52%) (5/2+) α (0,48%) 11,6(3) keV 420(30) ns 3/2- 91 139 230,034541(4) 17,4(5) d β+ (91,6%) (2−) β− (8,4%) 230U α (0,00319%) Protoaktyn 91 140 231,0358840(24) 3,530(250) a α 3/2− CD (1,34%) SF (3%) (różne) CD (10−12%) 91 141 232,038592(8) 1,31(2) d β− (2−) EC (0,003%) 91 142 233,0402473(23) 26,975(13) d β− 3/2− Uranium Z 91 143 234,043308(5) 6,70(5) h β− 4+ SF (3%) (różne) Uranium X2Brevium 78(3) keV