Isotopes of bismuth

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Template:Short description Template:Infobox bismuth isotopes Bismuth (83Bi) has 41 known isotopes, ranging from 184Bi to 224Bi. Bismuth has no stable isotopes, but does have one very long-lived isotope; thus, the standard atomic weight can be given as Template:Val. Although bismuth-209 is now known to be radioactive, it has classically been considered to be a stable isotope because it has a half-life of approximately 2.01×1019 years, which is more than a billion times the age of the universe. Besides 209Bi, the most stable bismuth radioisotopes are 210mBi with a half-life of 3.04 million years, 208Bi with a half-life of 368,000 years and 207Bi, with a half-life of 32.9 years, none of which occur in nature. All other isotopes have half-lives under 1 year, most under a day. Of naturally occurring radioisotopes, the most stable is radiogenic 210Bi with a half-life of 5.012 days. 210mBi is unusual for being a nuclear isomer with a half-life multiple orders of magnitude longer than that of the ground state.

List of isotopes

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Template:Isotopes table |-id=Bismuth-184 | 184Bi[1] | | style="text-align:right" | 83 | style="text-align:right" | 101 | 184.00135(13)# | 6.6(15) ms | α | 180Tl | 3+# | |-id=Bismuth-184m | style="text-indent:1em" | 184mBi[n 1] | | colspan="3" style="text-indent:2em" | 150(100)# keV | 13(2) ms | α | 180Tl | 10−# | |-id=Bismuth-185 | rowspan=2|185Bi[2] | rowspan=2| | rowspan=2 style="text-align:right" | 83 | rowspan=2 style="text-align:right" | 102 | rowspan=2|184.99760(9)# | rowspan=2|Template:Val | p (92%) | 184Pb | rowspan=2|(1/2+) | rowspan=2| |- | α (8%) | 181Tl |-id=Bismuth-185m | style="text-indent:1em" | 185mBi | | colspan="3" style="text-indent:2em" | 70(50)# keV | 58(2) μs | IT | 185Bi | (7/2−, 9/2−) | |-id=Bismuth-186 | rowspan=3|186Bi | rowspan=3| | rowspan=3 style="text-align:right" | 83 | rowspan=3 style="text-align:right" | 103 | rowspan=3|185.996623(18) | rowspan=3|14.8(7) ms | α (99.99%) | 182Tl | rowspan=3|(3+) | rowspan=3| |- | β+ (?%) | 186Pb |- | β+, SF (0.011%) | (various) |-id=Bismuth-186m | rowspan=3 style="text-indent:1em" | 186mBi[n 1] | rowspan=3| | rowspan=3 colspan="3" style="text-indent:2em" | 170(100)# keV | rowspan=3|9.8(4) ms | α (99.99%) | 182Tl | rowspan=3|(10−) | rowspan=3| |- | β+ (?%) | 186Pb |- | β+, SF (0.011%) | (various) |-id=Bismuth-187 | 187Bi | | style="text-align:right" | 83 | style="text-align:right" | 104 | 186.993147(11) | 37(2) ms | α | 183Tl | (9/2−) | |-id=Bismuth-187m1 | style="text-indent:1em" | 187m1Bi | | colspan="3" style="text-indent:2em" | 108(8) keV | 370(20) μs | α | 183Tl | 1/2+ | |-id=Bismuth-187m2 | style="text-indent:1em" | 187m2Bi | | colspan="3" style="text-indent:2em" | 252(3) keV | 7(5) μs | IT | 187Bi | (13/2+) | |-id=Bismuth-188 | rowspan=2|188Bi | rowspan=2| | rowspan=2 style="text-align:right" | 83 | rowspan=2 style="text-align:right" | 105 | rowspan=2|187.992276(12) | rowspan=2|60(3) ms | α | 184Tl | rowspan=2|(3+) | rowspan=2| |- | β+, SF (0.0014%) | (various) |-id=Bismuth-188m1 | style="text-indent:1em" | 188m1Bi | | colspan="3" style="text-indent:2em" | 66(30) keV | >5 μs | | | 7+# | |-id=Bismuth-188m2 | rowspan=2 style="text-indent:1em" | 188m2Bi | rowspan=2| | rowspan=2 colspan="3" style="text-indent:2em" | 153(30) keV | rowspan=2|265(15) ms | α | 184Tl | rowspan=2|(10−) | rowspan=2| |- | β+, SF (0.0046%) | (various) |-id=Bismuth-189 | 189Bi | | style="text-align:right" | 83 | style="text-align:right" | 106 | 188.989195(22) | 688(5) ms | α | 185Tl | 9/2− | |-id=Bismuth-189m1 | rowspan=2 style="text-indent:1em" | 189m1Bi | rowspan=2| | rowspan=2 colspan="3" style="text-indent:2em" | 184(5) keV | rowspan=2|5.0(1) ms | α (83%) | 185Tl | rowspan=2|1/2+ | rowspan=2| |- | IT (17%) | 189Bi |-id=Bismuth-189m2 | style="text-indent:1em" | 189m2Bi | | colspan="3" style="text-indent:2em" | 357.6(5) keV | 880(50) ns | IT | 189Bi | 13/2+ | |-id=Bismuth-190 | rowspan=3|190Bi | rowspan=3| | rowspan=3 style="text-align:right" | 83 | rowspan=3 style="text-align:right" | 107 | rowspan=3|189.988625(23) | rowspan=3|6.3(1) s | α (77%) | 186Tl | rowspan=3|(3+) | rowspan=3| |- | β+ (23%) | 190Pb |- | β+, SF (6×10−6%) | (various) |-id=Bismuth-190m1 | rowspan=3 style="text-indent:1em" | 190m1Bi | rowspan=3| | rowspan=3 colspan="3" style="text-indent:2em" | 120(40) keV | rowspan=3|6.2(1) s | α (70%) | 186Tl | rowspan=3|10− | rowspan=3| |- | β+ (30%) | 190Pb |- | β+, SF (4×10−6%) | (various) |-id=Bismuth-190m2 | style="text-indent:1em" | 190m2Bi | | colspan="3" style="text-indent:2em" | 121(15) keV | 175(8) ns | IT | 190Bi | (5−) | |-id=Bismuth-190m3 | style="text-indent:1em" | 190m3Bi | | colspan="3" style="text-indent:2em" | 394(40) keV | 1.3(8) μs | IT | 190Bi | (8−) | |-id=Bismuth-191 | rowspan=2|191Bi | rowspan=2| | rowspan=2 style="text-align:right" | 83 | rowspan=2 style="text-align:right" | 108 | rowspan=2|190.985787(8) | rowspan=2|12.4(3) s | α (51%) | 187Tl | rowspan=2|9/2− | rowspan=2| |- | β+ (49%) | 191Pb |-id=Bismuth-191m1 | rowspan=3 style="text-indent:1em" | 191m1Bi | rowspan=3| | rowspan=3 colspan="3" style="text-indent:2em" | 242(4) keV | rowspan=3|125(8) ms | α (68%) | 187Tl | rowspan=3|1/2+ | rowspan=3| |- | IT (?%) | 191Bi |- | β+ (?%) | 191Pb |-id=Bismuth-191m2 | style="text-indent:1em" | 191m2Bi | | colspan="3" style="text-indent:2em" | 429.7(5) keV | 562(10) ns | IT | 191Bi | 13/2+ | |-id=Bismuth-191m3 | style="text-indent:1em" | 191m3Bi | | colspan="3" style="text-indent:2em" | 1875(25)# keV | 400(40) ns | IT | 191Bi | 25/2-# | |-id=Bismuth-192 | rowspan=2|192Bi | rowspan=2| | rowspan=2 style="text-align:right" | 83 | rowspan=2 style="text-align:right" | 109 | rowspan=2|191.98547(3) | rowspan=2|34.6(9) s | β+ (88%) | 192Pb | rowspan=2|(3+) | rowspan=2| |- | α (12%) | 188Tl |-id=Bismuth-192m | rowspan=2 style="text-indent:1em" | 192mBi | rowspan=2| | rowspan=2 colspan="3" style="text-indent:2em" | 140(30) keV | rowspan=2|39.6(4) s | β+ (90%) | 192Pb | rowspan=2|10− | rowspan=2| |- | α (10%) | 188Tl |-id=Bismuth-193 | rowspan=2|193Bi | rowspan=2| | rowspan=2 style="text-align:right" | 83 | rowspan=2 style="text-align:right" | 110 | rowspan=2|192.982947(8) | rowspan=2|63.6(30) s | β+ (96.5%) | 193Pb | rowspan=2|9/2− | rowspan=2| |- | α (3.5%) | 189Tl |-id=Bismuth-193m1 | rowspan=2 style="text-indent:1em" | 193m1Bi | rowspan=2| | rowspan=2 colspan="3" style="text-indent:2em" | 305(6) keV | rowspan=2|3.20(14) s | α (84%) | 189Tl | rowspan=2|1/2+ | rowspan=2| |- | β+ (16%) | 193Pb |-id=Bismuth-193m2 | style="text-indent:1em" | 193m2Bi | | colspan="3" style="text-indent:2em" | 605.53(18) keV | 153(10) ns | IT | 193Bi | 13/2+ | |-id=Bismuth-193m3 | style="text-indent:1em" | 193m3Bi | | colspan="3" style="text-indent:2em" | 2349.6(6) keV | 85(3) μs | IT | 193Bi | 29/2+ | |-id=Bismuth-193m4 | style="text-indent:1em" | 193m4Bi | | colspan="3" style="text-indent:2em" | 2405.1(7) keV | 3.02(8) μs | IT | 193Bi | (29/2−) | |-id=Bismuth-194 | rowspan=2|194Bi | rowspan=2| | rowspan=2 style="text-align:right" | 83 | rowspan=2 style="text-align:right" | 111 | rowspan=2|193.982799(6) | rowspan=2|95(3) s | β+ (99.54%) | 194Pb | rowspan=2|3+ | rowspan=2| |- | α (0.46%) | 190Tl |-id=Bismuth-194m1 | style="text-indent:1em" | 194m1Bi | | colspan="3" style="text-indent:2em" | 150(50) keV | 125(2) s | β+ | 194Pb | (6+, 7+) | |-id=Bismuth-194m2 | rowspan=2 style="text-indent:1em" | 194m2Bi | rowspan=2| | rowspan=2 colspan="3" style="text-indent:2em" | 163(4) keV | rowspan=2|115(4) s | β+ (99.80%) | 194Pb | rowspan=2|(10−) | rowspan=2| |- | α (0.20%) | 190Tl |-id=Bismuth-195 | rowspan=2|195Bi | rowspan=2| | rowspan=2 style="text-align:right" | 83 | rowspan=2 style="text-align:right" | 112 | rowspan=2|194.980649(6) | rowspan=2|183(4) s | β+ (99.97%) | 195Pb | rowspan=2|9/2− | rowspan=2| |- | α (0.030%) | 191Tl |-id=Bismuth-195m1 | rowspan=2 style="text-indent:1em" | 195m1Bi | rowspan=2| | rowspan=2 colspan="3" style="text-indent:2em" | 399(6) keV | rowspan=2|87(1) s | β+ (67%) | 195Pb | rowspan=2|1/2+ | rowspan=2| |- | α (33%) | 191Tl |-id=Bismuth-195m2 | style="text-indent:1em" | 195m2Bi | | colspan="3" style="text-indent:2em" | 2381.0(5) keV | 614(5) ns | IT | 195Bi | (29/2−) | |-id=Bismuth-195m3 | style="text-indent:1em" | 195m3Bi | | colspan="3" style="text-indent:2em" | 2615.9(5) keV | 1.49(1) μs | IT | 195Bi | 29/2+ | |-id=Bismuth-196 | rowspan=2|196Bi | rowspan=2| | rowspan=2 style="text-align:right" | 83 | rowspan=2 style="text-align:right" | 113 | rowspan=2|195.980667(26) | rowspan=2|5.13(20) min | β+ | 196Pb | rowspan=2|(3+) | rowspan=2| |- | α (0.00115%) | 192Tl |-id=Bismuth-196m1 | style="text-indent:1em" | 196m1Bi | | colspan="3" style="text-indent:2em" | 166.4(29) keV | 0.6(5) s | IT | 196Bi | (7+) | |-id=Bismuth-196m2 | rowspan=3 style="text-indent:1em" | 196m2Bi | rowspan=3| | rowspan=3 colspan="3" style="text-indent:2em" | 272(3) keV | rowspan=3| 4.00(5) min | β+ (74.2%) | 196Pb | rowspan=3| (10−) | rowspan=3| |- | IT (25.8%) | 196Bi |- | α (3.8×10−4%) | 196Bi |-id=Bismuth-197 | 197Bi | | style="text-align:right" | 83 | style="text-align:right" | 114 | 196.978865(9) | 9.33(50) min | β+ | 197Pb | 9/2− | |-id=Bismuth-197m1 | rowspan=2 style="text-indent:1em" | 197m1Bi | rowspan=2| | rowspan=2 colspan="3" style="text-indent:2em" | 533(12) keV | rowspan=2|5.04(16) min | α (55%) | 193Tl | rowspan=2|1/2+ | rowspan=2| |- | β+ (45%) | 197Pb |-id=Bismuth-197m2 | style="text-indent:1em" | 197m2Bi | | colspan="3" style="text-indent:2em" | 2403(12) keV | 263(13) ns | IT | 197Bi | (29/2−) | |-id=Bismuth-197m3 | style="text-indent:1em" | 197m3Bi | | colspan="3" style="text-indent:2em" | 2929.5(5) keV | 209(30) ns | IT | 197Bi | (31/2−) | |-id=Bismuth-198 | 198Bi | | style="text-align:right" | 83 | style="text-align:right" | 115 | 197.979201(30) | 10.3(3) min | β+ | 198Pb | 3+ | |-id=Bismuth-198m1 | style="text-indent:1em" | 198m1Bi | | colspan="3" style="text-indent:2em" | 290(40) keV | 11.6(3) min | β+ | 198Pb | 7+ | |-id=Bismuth-198m2 | style="text-indent:1em" | 198m2Bi | | colspan="3" style="text-indent:2em" | 540(40) keV | 7.7(5) s | IT | 198Bi | 10− | |-id=Bismuth-199 | 199Bi | | style="text-align:right" | 83 | style="text-align:right" | 116 | 198.977673(11) | 27(1) min | β+ | 199Pb | 9/2− | |-id=Bismuth-199m1 | rowspan=3 style="text-indent:1em" | 199m1Bi | rowspan=3| | rowspan=3 colspan="3" style="text-indent:2em" | 667(3) keV | rowspan=3|24.70(15) min | β+ (>98%) | 199Pb | rowspan=3|(1/2+) | rowspan=3| |- | IT (<2%) | 199Bi |- | α (0.01%) | 195Tl |-id=Bismuth-199m2 | style="text-indent:1em" | 199m2Bi | | colspan="3" style="text-indent:2em" | 1962(23) keV | 0.10(3) μs | IT | 199Bi | 25/2+# | |-id=Bismuth-199m3 | style="text-indent:1em" | 199m3Bi | | colspan="3" style="text-indent:2em" | 2548(23) keV | 168(13) ns | IT | 199Bi | 29/2−# | |-id=Bismuth-200 | 200Bi | | style="text-align:right" | 83 | style="text-align:right" | 117 | 199.978131(24) | 36.4(5) min | β+ | 200Pb | 7+ | |-id=Bismuth-200m1 | rowspan=2 style="text-indent:1em" | 200m1Bi[n 1] | rowspan=2| | rowspan=2 colspan="3" style="text-indent:2em" | 100(70)# keV | rowspan=2|31(2) min | β+ (?%) | 200Pb | rowspan=2|(2+) | rowspan=2| |- | IT (?%) | 200Bi |-id=Bismuth-200m2 | style="text-indent:1em" | 200m2Bi | | colspan="3" style="text-indent:2em" | 428.20(10) keV | 400(50) ms | IT | 200Bi | (10−) | |-id=Bismuth-201 | 201Bi | | style="text-align:right" | 83 | style="text-align:right" | 118 | 200.976995(13) | 103(3) min | β+ | 201Pb | 9/2− | |-id=Bismuth-201m1 | rowspan=2 style="text-indent:1em" | 201m1Bi | rowspan=2| | rowspan=2 colspan="3" style="text-indent:2em" | 846.35(18) keV | rowspan=2|57.5(21) min | β+ | 201Pb | rowspan=2|1/2+ | rowspan=2| |- | α (?%) | 197Tl |-id=Bismuth-201m2 | style="text-indent:1em" | 201m2Bi | | colspan="3" style="text-indent:2em" | 1973(23) keV | 118(28) ns | IT | 201Bi | 25/2+# | |-id=Bismuth-201m3 | style="text-indent:1em" | 201m3Bi | | colspan="3" style="text-indent:2em" | 2012(23) keV | 105(75) ns | IT | 201Bi | 27/2+# | |-id=Bismuth-201m4 | style="text-indent:1em" | 201m4Bi | | colspan="3" style="text-indent:2em" | 2781(23) keV | 124(4) ns | IT | 201Bi | 29/2−# | |-id=Bismuth-202 | rowspan=2|202Bi | rowspan=2| | rowspan=2 style="text-align:right" | 83 | rowspan=2 style="text-align:right" | 119 | rowspan=2|201.977723(15) | rowspan=2|1.72(5) h | β+ | 202Pb | rowspan=2|5+ | rowspan=2| |- | α (<10−5%) | 198Tl |-id=Bismuth-202m1 | style="text-indent:1em" | 202m1Bi | | colspan="3" style="text-indent:2em" | 625(12) keV | 3.04(6) μs | IT | 202Bi | 10−# | |-id=Bismuth-202m2 | style="text-indent:1em" | 202m2Bi | | colspan="3" style="text-indent:2em" | 2617(12) keV | 310(50) ns | IT | 202Bi | (17+) | |-id=Bismuth-203 | 203Bi | | style="text-align:right" | 83 | style="text-align:right" | 120 | 202.976892(14) | 11.76(5) h | β+ | 203Pb | 9/2− | |-id=Bismuth-203m1 | style="text-indent:1em" | 203m1Bi | | colspan="3" style="text-indent:2em" | 1098.21(9) keV | 305(5) ms | IT | 203Bi | 1/2+ | |-id=Bismuth-203m2 | style="text-indent:1em" | 203m2Bi | | colspan="3" style="text-indent:2em" | 2041.5(6) keV | 194(30) ns | IT | 203Bi | 25/2+ | |-id=Bismuth-204 | 204Bi | | style="text-align:right" | 83 | style="text-align:right" | 121 | 203.977836(10) | 11.22(10) h | β+ | 204Pb | 6+ | |-id=Bismuth-204m1 | style="text-indent:1em" | 204m1Bi | | colspan="3" style="text-indent:2em" | 805.5(3) keV | 13.0(1) ms | IT | 204Bi | 10− | |-id=Bismuth-204m2 | style="text-indent:1em" | 204m2Bi | | colspan="3" style="text-indent:2em" | 2833.4(11) keV | 1.07(3) ms | IT | 204Bi | 17+ | |-id=Bismuth-205 | 205Bi | | style="text-align:right" | 83 | style="text-align:right" | 122 | 204.977385(5) | 14.91(7) d | β+ | 205Pb | 9/2− | |-id=Bismuth-205m1 | style="text-indent:1em" | 205m1Bi | | colspan="3" style="text-indent:2em" | 1497.17(9) keV | 7.9(7) μs | IT | 205Bi | 1/2+ | |-id=Bismuth-205m2 | style="text-indent:1em" | 205m2Bi | | colspan="3" style="text-indent:2em" | 2064.7(4) keV | 100(6) ns | IT | 205Bi | 21/2+ | |-id=Bismuth-205m3 | style="text-indent:1em" | 205m3Bi | | colspan="3" style="text-indent:2em" | 2139.0(7) keV | 220(25) ns | IT | 205Bi | 25/2+ | |-id=Bismuth-206 | 206Bi | | style="text-align:right" | 83 | style="text-align:right" | 123 | 205.978499(8) | 6.243(3) d | β+ | 206Pb | 6+ | |-id=Bismuth-206m1 | style="text-indent:1em" | 206m1Bi | | colspan="3" style="text-indent:2em" | 59.897(17) keV | 7.7(2) μs | IT | 206Bi | 4+ | |-id=Bismuth-206m2 | style="text-indent:1em" | 206m2Bi | | colspan="3" style="text-indent:2em" | 1044.8(7) keV | 890(10) μs | IT | 206Bi | 10− | |-id=Bismuth-206m3 | style="text-indent:1em" | 206m3Bi | | colspan="3" style="text-indent:2em" | 9233.3(8) keV | 155(15) ns | IT | 206Bi | (28−) | |-id=Bismuth-206m4 | style="text-indent:1em" | 206m4Bi | | colspan="3" style="text-indent:2em" | 10170.5(8) keV | >2 μs | IT | 206Bi | (31+) | |-id=Bismuth-207 | 207Bi | | style="text-align:right" | 83 | style="text-align:right" | 124 | 206.9784706(26) | 31.22(17) y | β+ | 207Pb | 9/2− | |-id=Bismuth-207m | style="text-indent:1em" | 207mBi | | colspan="3" style="text-indent:2em" | 2101.61(16) keV | 182(6) μs | IT | 207Bi | 21/2+ | |-id=Bismuth-208 | 208Bi | | style="text-align:right" | 83 | style="text-align:right" | 125 | 207.9797421(25) | 3.68(4)×105 y | β+ | 208Pb | 5+ | |-id=Bismuth-208m | style="text-indent:1em" | 208mBi | | colspan="3" style="text-indent:2em" | 1571.1(4) keV | 2.58(4) ms | IT | 208Bi | 10− | |- | 209Bi
[n 2][n 3] | | style="text-align:right" | 83 | style="text-align:right" | 126 | 208.9803986(15) | 2.01(8)×1019 y
[n 4] | α | 205Tl | 9/2− | 1.0000 |-id=Bismuth-210 | rowspan=2|210Bi | rowspan=2|Radium E | rowspan=2 style="text-align:right" | 83 | rowspan=2 style="text-align:right" | 127 | rowspan=2|209.9841202(15) | rowspan=2|5.012(5) d | β− | 210Po | rowspan=2|1− | rowspan=2|Trace[n 5] |- | α (1.32×10−4%) | 206Tl |-id=Bismuth-210m | style="text-indent:1em" | 210mBi | | colspan="3" style="text-indent:2em" | 271.31(11) keV | 3.04(6)×106 y | αTemplate:Refn | 206Tl | 9− | |-id=Bismuth-211 | rowspan=2|211Bi | rowspan=2|Actinium C | rowspan=2 style="text-align:right" | 83 | rowspan=2 style="text-align:right" | 128 | rowspan=2|210.987269(6) | rowspan=2|2.14(2) min | α (99.72%) | 207Tl | rowspan=2|9/2− | rowspan=2|Trace[n 6] |- | β− (0.276%) | 211Po |-id=Bismuth-211m | style="text-indent:1em" | 211mBi | | colspan="3" style="text-indent:2em" | 1257(10) keV | 1.4(3) μs | IT | 211Bi | (25/2−) | |-id=Bismuth-212 | rowspan=3|212Bi | rowspan=3|Thorium C | rowspan=3 style="text-align:right" | 83 | rowspan=3 style="text-align:right" | 129 | rowspan=3|211.991285(2) | rowspan=3|60.55(6) min | β− (64.05%) | 212Po | rowspan=3|1− | rowspan=3|Trace[n 7] |- | α (35.94%) | 208Tl |- | β−, α (0.014%) | 208Pb |-id=Bismuth-212m1 | rowspan=3 style="text-indent:1em" | 212m1Bi | rowspan=3| | rowspan=3 colspan="3" style="text-indent:2em" | 250(30) keV | rowspan=3|25.0(2) min | α (67%) | 208Tl | rowspan=3|(8−, 9−) | rowspan=3| |- | β−, α (30%) | 208Pb |- | β− (3%) | 212Po |-id=Bismuth-212m2 | style="text-indent:1em" | 212m2Bi | | colspan="3" style="text-indent:2em" | 1479(30) keV | 7.0(3) min | β− | 212Po | (18−) | |- | rowspan=2|213Bi
[n 8][n 9] | rowspan=2| | rowspan=2 style="text-align:right" | 83 | rowspan=2 style="text-align:right" | 130 | rowspan=2|212.994384(5) | rowspan=2|45.60(4) min | β− (97.91%) | 213Po | rowspan=2|9/2− | rowspan=2|Trace[n 10] |- | α (2.09%) | 209Tl |-id=Bismuth-213m | style="text-indent:1em" | 213mBi | | colspan="3" style="text-indent:2em" | 1353(21) keV | >168 s | | | 25/2−# | |-id=Bismuth-214 | rowspan=3|214Bi | rowspan=3|Radium C | rowspan=3 style="text-align:right" | 83 | rowspan=3 style="text-align:right" | 131 | rowspan=3|213.998711(12) | rowspan=3|19.9(4) min | β− (99.98%) | 214Po | rowspan=3|1− | rowspan=3|Trace[n 5] |- | α (0.021%) | 210Tl |- | β−, α (0.003%) | 210Pb |-id=Bismuth-214m | style="text-indent:1em" | 214mBi | | colspan="3" style="text-indent:2em" | 539(30) keV | >93 s | | | 8−# | |-id=Bismuth-215 | 215Bi | | style="text-align:right" | 83 | style="text-align:right" | 132 | 215.001749(6) | 7.62(13) min | β−Template:Refn | 215Po | (9/2−) | Trace[n 6] |-id=Bismuth-215m | rowspan=2 style="text-indent:1em" | 215mBi | rowspan=2| | rowspan=2 colspan="3" style="text-indent:2em" | 1367(20)# keV | rowspan=2| 36.9(6) s | IT (76.9%) | 215Bi | rowspan=2| (25/2−) | rowspan=2| |- | β− (23.1%) | 215Po |-id=Bismuth-216 | 216Bi | | style="text-align:right" | 83 | style="text-align:right" | 133 | 216.006306(12) | 2.21(4) min | β− | 216Po | (6−, 7−) | |-id=Bismuth-216m | style="text-indent:1em" | 216mBi[n 1] | | colspan="3" style="text-indent:2em" | 24(19) keV | 6.6(21) min | β− | 216Po | 3−# | |-id=Bismuth-217 | 217Bi | | style="text-align:right" | 83 | style="text-align:right" | 134 | 217.009372(19) | 98.5(13) s | β− | 217Po | 9/2−# | |-id=Bismuth-217m | style="text-indent:1em" | 217mBi | | colspan="3" style="text-indent:2em" | 1491(20) keV | 3.0(2) μs | IT | 217Bi | 25/2−# | |-id=Bismuth-218 | 218Bi | | style="text-align:right" | 83 | style="text-align:right" | 135 | 218.014188(29) | 33(1) s | β− | 218Po | 8−# | |-id=Bismuth-219 | 219Bi | | style="text-align:right" | 83 | style="text-align:right" | 136 | 219.01752(22)# | 8.7(29) s | β− | 219Po | 9/2−# | |-id=Bismuth-220 | 220Bi | | style="text-align:right" | 83 | style="text-align:right" | 137 | 220.02250(32)# | 9.5(57) s | β− | 220Po | 1−# | |-id=Bismuth-221 | 221Bi | | style="text-align:right" | 83 | style="text-align:right" | 138 | 221.02598(32)# | 2# s
[>300 ns] | | | 9/2−# | |-id=Bismuth-222 | 222Bi | | style="text-align:right" | 83 | style="text-align:right" | 139 | 222.03108(32)# | 3# s
[>300 ns] | | | 1−# | |-id=Bismuth-223 | 223Bi | | style="text-align:right" | 83 | style="text-align:right" | 140 | 223.03461(43)# | 1# s
[>300 ns] | | | 9/2−# | |-id=Bismuth-224 | 224Bi | | style="text-align:right" | 83 | style="text-align:right" | 141 | 224.03980(43)# | 1# s
[>300 ns] | | | 1−# | Template:Isotopes table/footer

Bismuth-213

Bismuth-213 (213Bi) has a half-life of 45 minutes and decays via alpha emission. Commercially, bismuth-213 can be produced by bombarding radium with bremsstrahlung photons from a linear particle accelerator, which populates its progenitor actinium-225. In 1997, an antibody conjugate with 213Bi was used to treat patients with leukemia. This isotope has also been tried in targeted alpha therapy (TAT) program to treat a variety of cancers.[3] Bismuth-213 is also found in the decay chain of uranium-233, which is the fuel bred by thorium reactors.

See also

Daughter products other than bismuth

References

Template:Reflist

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