Đồng vị của bismuth
Danh sách các đồng vị

| nuclide symbol | tên lịch sử | Z(p)> excitation energy | N(n)> excitation energy |   isotopic mass (u)  > excitation energy | half-life | decay mode | daughter isotope | nuclear spin and parity | representative isotopic composition (mole fraction) | range of natural variation (mole fraction) |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 184Bi |  | 83 | 101 | 184.00112(14)# | 6.6(15) ms |  |  | 3+# |  |  |
| 184mBi |  | 150(100)# keV | 150(100)# keV | 150(100)# keV | 13(2) ms |  |  | 10−# |  |  |
| 185Bi |  | 83 | 102 | 184.99763(6)# | 2# ms | p | 184Pb | 9/2−# |  |  |
| 185Bi |  | 83 | 102 | 184.99763(6)# | 2# ms | α (rare) | 181Tl | 9/2−# |  |  |
| 185mBi |  | 70(50)# keV | 70(50)# keV | 70(50)# keV | 49(7) µs | α | 181Tl | 1/2+ |  |  |
| 185mBi |  | 70(50)# keV | 70(50)# keV | 70(50)# keV | 49(7) µs | p | 184Pb | 1/2+ |  |  |
| 186Bi |  | 83 | 103 | 185.99660(8) | 14.8(7) ms | α | 182Tl | (3+) |  |  |
| 186Bi |  | 83 | 103 | 185.99660(8) | 14.8(7) ms | β+ (rare) | 186Pb | (3+) |  |  |
| 186mBi |  | 270(140)# keV | 270(140)# keV | 270(140)# keV | 9.8(4) ms | α | 182Tl | (10−) |  |  |
| 186mBi |  | 270(140)# keV | 270(140)# keV | 270(140)# keV | 9.8(4) ms | β+ | 186Pb | (10−) |  |  |
| 187Bi |  | 83 | 104 | 186.993158(16) | 32(3) ms | α (50%) | 183Tl | 9/2−# |  |  |
| 187Bi |  | 83 | 104 | 186.993158(16) | 32(3) ms | β+ (50%) | 187Pb | 9/2−# |  |  |
| 187m1Bi |  | 101(20) keV | 101(20) keV | 101(20) keV | 320(70) µs |  |  | 1/2+# |  |  |
| 187m2Bi |  | 252(1) keV | 252(1) keV | 252(1) keV | 7(5) µs |  |  | (13/2+) |  |  |
| 188Bi |  | 83 | 105 | 187.99227(5) | 44(3) ms | α | 184Tl | 3+# |  |  |
| 188Bi |  | 83 | 105 | 187.99227(5) | 44(3) ms | β+ (rare) | 188Pb | 3+# |  |  |
| 188mBi |  | 210(140)# keV | 210(140)# keV | 210(140)# keV | 220(40) ms | α | 184Tl | (10−) |  |  |
| 188mBi |  | 210(140)# keV | 210(140)# keV | 210(140)# keV | 220(40) ms | β+ (rare) | 188Pb | (10−) |  |  |
| 189Bi |  | 83 | 106 | 188.98920(6) | 674(11) ms | α (51%) | 185Tl | (9/2−) |  |  |
| 189Bi |  | 83 | 106 | 188.98920(6) | 674(11) ms | β+ (49%) | 189Pb | (9/2−) |  |  |
| 189m1Bi |  | 181(6) keV | 181(6) keV | 181(6) keV | 5.0(1) ms |  |  | (1/2+) |  |  |
| 189m2Bi |  | 357(1) keV | 357(1) keV | 357(1) keV | 880(50) ns |  |  | (13/2+) |  |  |
| 190Bi |  | 83 | 107 | 189.9883(2) | 6.3(1) s | α (77%) | 186Tl | (3+) |  |  |
| 190Bi |  | 83 | 107 | 189.9883(2) | 6.3(1) s | β+ (30%) | 190Pb | (3+) |  |  |
| 190m1Bi |  | 420(180) keV | 420(180) keV | 420(180) keV | 6.2(1) s | α (70%) | 186Tl | (10−) |  |  |
| 190m1Bi |  | 420(180) keV | 420(180) keV | 420(180) keV | 6.2(1) s | β+ (23%) | 190Pb | (10−) |  |  |
| 190m2Bi |  | 690(180) keV | 690(180) keV | 690(180) keV | >500(100) ns |  |  | 7+# |  |  |
| 191Bi |  | 83 | 108 | 190.985786(8) | 12.3(3) s | α (60%) | 187Tl | (9/2−) |  |  |
| 191Bi |  | 83 | 108 | 190.985786(8) | 12.3(3) s | β+ (40%) | 191Pb | (9/2−) |  |  |
| 191mBi |  | 240(4) keV | 240(4) keV | 240(4) keV | 124(5) ms | α (75%) | 187Tl | (1/2+) |  |  |
| 191mBi |  | 240(4) keV | 240(4) keV | 240(4) keV | 124(5) ms | β+ (25%) | 191Pb | (1/2+) |  |  |
| 192Bi |  | 83 | 109 | 191.98546(4) | 34.6(9) s | β+ (82%) | 192Pb | (3+) |  |  |
| 192Bi |  | 83 | 109 | 191.98546(4) | 34.6(9) s | α (18%) | 188Tl | (3+) |  |  |
| 192mBi |  | 150(30) keV | 150(30) keV | 150(30) keV | 39.6(4) s | β+ (90.8%) | 192Pb | (10−) |  |  |
| 192mBi |  | 150(30) keV | 150(30) keV | 150(30) keV | 39.6(4) s | α (9.2%) | 188Tl | (10−) |  |  |
| 193Bi |  | 83 | 110 | 192.98296(1) | 67(3) s | β+ (95%) | 193Pb | (9/2−) |  |  |
| 193Bi |  | 83 | 110 | 192.98296(1) | 67(3) s | α (5%) | 189Tl | (9/2−) |  |  |
| 193mBi |  | 308(7) keV | 308(7) keV | 308(7) keV | 3.2(6) s | α (90%) | 189Tl | (1/2+) |  |  |
| 193mBi |  | 308(7) keV | 308(7) keV | 308(7) keV | 3.2(6) s | β+ (10%) | 193Pb | (1/2+) |  |  |
| 194Bi |  | 83 | 111 | 193.98283(5) | 95(3) s | β+ (99.54%) | 194Pb | (3+) |  |  |
| 194Bi |  | 83 | 111 | 193.98283(5) | 95(3) s | α (.46%) | 190Tl | (3+) |  |  |
| 194m1Bi |  | 110(70) keV | 110(70) keV | 110(70) keV | 125(2) s | β+ | 194Pb | (6+,7+) |  |  |
| 194m1Bi |  | 110(70) keV | 110(70) keV | 110(70) keV | 125(2) s | α (rare) | 190Tl | (6+,7+) |  |  |
| 194m2Bi |  | 230(90)# keV | 230(90)# keV | 230(90)# keV | 115(4) s |  |  | (10−) |  |  |
| 195Bi |  | 83 | 112 | 194.980651(6) | 183(4) s | β+ (99.97%) | 195Pb | (9/2−) |  |  |
| 195Bi |  | 83 | 112 | 194.980651(6) | 183(4) s | α (.03%) | 191Tl | (9/2−) |  |  |
| 195m1Bi |  | 399(6) keV | 399(6) keV | 399(6) keV | 87(1) s | β+ (67%) | 195Pb | (1/2+) |  |  |
| 195m1Bi |  | 399(6) keV | 399(6) keV | 399(6) keV | 87(1) s | α (33%) | 191Tl | (1/2+) |  |  |
| 195m2Bi |  | 2311.4+X keV | 2311.4+X keV | 2311.4+X keV | 750(50) ns |  |  | (29/2−) |  |  |
| 196Bi |  | 83 | 113 | 195.980667(26) | 5.1(2) min | β+ (99.99%) | 196Pb | (3+) |  |  |
| 196Bi |  | 83 | 113 | 195.980667(26) | 5.1(2) min | α (.00115%) | 192Tl | (3+) |  |  |
| 196m1Bi |  | 166.6(30) keV | 166.6(30) keV | 166.6(30) keV | 0.6(5) s | IT | 196Bi | (7+) |  |  |
| 196m1Bi |  | 166.6(30) keV | 166.6(30) keV | 166.6(30) keV | 0.6(5) s | β+ | 196Pb | (7+) |  |  |
| 196m2Bi |  | 270(3) keV | 270(3) keV | 270(3) keV | 4.00(5) min |  |  | (10−) |  |  |
| 197Bi |  | 83 | 114 | 196.978864(9) | 9.33(50) min | β+ (99.99%) | 197Pb | (9/2−) |  |  |
| 197Bi |  | 83 | 114 | 196.978864(9) | 9.33(50) min | α (10−4%) | 193Tl | (9/2−) |  |  |
| 197m1Bi |  | 690(110) keV | 690(110) keV | 690(110) keV | 5.04(16) min | α (55%) | 193Tl | (1/2+) |  |  |
| 197m1Bi |  | 690(110) keV | 690(110) keV | 690(110) keV | 5.04(16) min | β+ (45%) | 197Pb | (1/2+) |  |  |
| 197m1Bi |  | 690(110) keV | 690(110) keV | 690(110) keV | 5.04(16) min | IT (.3%) | 197Bi | (1/2+) |  |  |
| 197m2Bi |  | 2129.3(4) keV | 2129.3(4) keV | 2129.3(4) keV | 204(18) ns |  |  | (23/2−) |  |  |
| 197m3Bi |  | 2360.4(5)+X keV | 2360.4(5)+X keV | 2360.4(5)+X keV | 263(13) ns |  |  | (29/2−) |  |  |
| 197m4Bi |  | 2383.1(7)+X keV | 2383.1(7)+X keV | 2383.1(7)+X keV | 253(39) ns |  |  | (29/2−) |  |  |
| 197m5Bi |  | 2929.5(5) keV | 2929.5(5) keV | 2929.5(5) keV | 209(30) ns |  |  | (31/2−) |  |  |
| 198Bi |  | 83 | 115 | 197.97921(3) | 10.3(3) min | β+ | 198Pb | (2+,3+) |  |  |
| 198m1Bi |  | 280(40) keV | 280(40) keV | 280(40) keV | 11.6(3) min | β+ | 198Pb | (7+) |  |  |
| 198m2Bi |  | 530(40) keV | 530(40) keV | 530(40) keV | 7.7(5) s |  |  | 10− |  |  |
| 199Bi |  | 83 | 116 | 198.977672(13) | 27(1) min | β+ | 199Pb | 9/2− |  |  |
| 199m1Bi |  | 667(4) keV | 667(4) keV | 667(4) keV | 24.70(15) min | β+ (98%) | 199Pb | (1/2+) |  |  |
| 199m1Bi |  | 667(4) keV | 667(4) keV | 667(4) keV | 24.70(15) min | IT (2%) | 199Bi | (1/2+) |  |  |
| 199m1Bi |  | 667(4) keV | 667(4) keV | 667(4) keV | 24.70(15) min | α (.01%) | 195Tl | (1/2+) |  |  |
| 199m2Bi |  | 1947(25) keV | 1947(25) keV | 1947(25) keV | 0.10(3) µs |  |  | (25/2+) |  |  |
| 199m3Bi |  | ~2547.0 keV | ~2547.0 keV | ~2547.0 keV | 168(13) ns |  |  | 29/2− |  |  |
| 200Bi |  | 83 | 117 | 199.978132(26) | 36.4(5) min | β+ | 200Pb | 7+ |  |  |
| 200m1Bi |  | 100(70)# keV | 100(70)# keV | 100(70)# keV | 31(2) min | EC (90%) | 200Pb | (2+) |  |  |
| 200m1Bi |  | 100(70)# keV | 100(70)# keV | 100(70)# keV | 31(2) min | IT (10%) | 200Bi | (2+) |  |  |
| 200m2Bi |  | 428.20(10) keV | 428.20(10) keV | 428.20(10) keV | 400(50) ms |  |  | (10−) |  |  |
| 201Bi |  | 83 | 118 | 200.977009(16) | 108(3) min | β+ (99.99%) | 201Pb | 9/2− |  |  |
| 201Bi |  | 83 | 118 | 200.977009(16) | 108(3) min | α (10−4%) | 197Tl | 9/2− |  |  |
| 201m1Bi |  | 846.34(21) keV | 846.34(21) keV | 846.34(21) keV | 59.1(6) min | EC (92.9%) | 201Pb | 1/2+ |  |  |
| 201m1Bi |  | 846.34(21) keV | 846.34(21) keV | 846.34(21) keV | 59.1(6) min | IT (6.8%) | 201Bi | 1/2+ |  |  |
| 201m1Bi |  | 846.34(21) keV | 846.34(21) keV | 846.34(21) keV | 59.1(6) min | α (.3%) | 197Tl | 1/2+ |  |  |
| 201m2Bi |  | 1932.2+X keV | 1932.2+X keV | 1932.2+X keV | 118(28) ns |  |  | (25/2+) |  |  |
| 201m3Bi |  | 1971.2+X keV | 1971.2+X keV | 1971.2+X keV | 105(75) ns |  |  | (27/2+) |  |  |
| 201m4Bi |  | 2739.90(20)+X keV | 2739.90(20)+X keV | 2739.90(20)+X keV | 124(4) ns |  |  | (29/2−) |  |  |
| 202Bi |  | 83 | 119 | 201.977742(22) | 1.72(5) h | β+ | 202Pb | 5(+#) |  |  |
| 202Bi |  | 83 | 119 | 201.977742(22) | 1.72(5) h | α (10−5%) | 198Tl | 5(+#) |  |  |
| 202m1Bi |  | 615(7) keV | 615(7) keV | 615(7) keV | 3.04(6) µs |  |  | (10#)− |  |  |
| 202m2Bi |  | 2607.1(5) keV | 2607.1(5) keV | 2607.1(5) keV | 310(50) ns |  |  | (17+) |  |  |
| 203Bi |  | 83 | 120 | 202.976876(23) | 11.76(5) h | β+ | 203Pb | 9/2− |  |  |
| 203Bi |  | 83 | 120 | 202.976876(23) | 11.76(5) h | α (10−5%) | 199Tl | 9/2− |  |  |
| 203m1Bi |  | 1098.14(7) keV | 1098.14(7) keV | 1098.14(7) keV | 303(5) ms | IT | 203Bi | 1/2+ |  |  |
| 203m2Bi |  | 2041.5(6) keV | 2041.5(6) keV | 2041.5(6) keV | 194(30) ns |  |  | 25/2+ |  |  |
| 204Bi |  | 83 | 121 | 203.977813(28) | 11.22(10) h | β+ | 204Pb | 6+ |  |  |
| 204m1Bi |  | 805.5(3) keV | 805.5(3) keV | 805.5(3) keV | 13.0(1) ms | IT | 204Bi | 10− |  |  |
| 204m2Bi |  | 2833.4(11) keV | 2833.4(11) keV | 2833.4(11) keV | 1.07(3) ms |  |  | (17+) |  |  |
| 205Bi |  | 83 | 122 | 204.977389(8) | 15.31(4) d | β+ | 205Pb | 9/2− |  |  |
| 206Bi |  | 83 | 123 | 205.978499(8) | 6.243(3) d | β+ | 206Pb | 6(+) |  |  |
| 206m1Bi |  | 59.897(17) keV | 59.897(17) keV | 59.897(17) keV | 7.7(2) µs |  |  | (4+) |  |  |
| 206m2Bi |  | 1044.8(5) keV | 1044.8(5) keV | 1044.8(5) keV | 890(10) µs |  |  | (10−) |  |  |
| 207Bi |  | 83 | 124 | 206.9784707(26) | 32.9(14) y | β+ | 207Pb | 9/2− |  |  |
| 207mBi |  | 2101.49(16) keV | 2101.49(16) keV | 2101.49(16) keV | 182(6) µs |  |  | 21/2+ |  |  |
| 208Bi |  | 83 | 125 | 207.9797422(25) | 3.68(4)×105 y | β+ | 208Pb | (5)+ |  |  |
| 208mBi |  | 1571.1(4) keV | 1571.1(4) keV | 1571.1(4) keV | 2.58(4) ms | IT | 208Bi | (10)− |  |  |
| 209Bi  |  | 83 | 126 | 208.9803987(16) | 1.9(2)×1019 y  | α | 205Tl | 9/2− | 1.0000 |  |
| 210Bi | Radium E | 83 | 127 | 209.9841204(16) | 5.012(5) d | β− | 210Po | 1− | Trace |  |
| 210Bi | Radium E | 83 | 127 | 209.9841204(16) | 5.012(5) d | α (1.32×10−4%) | 206Tl | 1− | Trace |  |
| 210mBi |  | 271.31(11) keV | 271.31(11) keV | 271.31(11) keV | 3.04(6)×106 y | α | 206Tl | 9− |  |  |
| 211Bi | Actinium C | 83 | 128 | 210.987269(6) | 2.14(2) min | α (99.72%) | 207Tl | 9/2− | Trace |  |
| 211Bi | Actinium C | 83 | 128 | 210.987269(6) | 2.14(2) min | β− (.276%) | 211Po | 9/2− | Trace |  |
| 211mBi |  | 1257(10) keV | 1257(10) keV | 1257(10) keV | 1.4(3) µs |  |  | (25/2−) |  |  |
| 212Bi | Thorium C | 83 | 129 | 211.9912857(21) | 60.55(6) min | β− (64.05%) | 212Po | 1(−) | Trace |  |
| 212Bi | Thorium C | 83 | 129 | 211.9912857(21) | 60.55(6) min | α (35.94%) | 208Tl | 1(−) | Trace |  |
| 212Bi | Thorium C | 83 | 129 | 211.9912857(21) | 60.55(6) min | β−, α (.014%) | 208Pb | 1(−) | Trace |  |
| 212m1Bi |  | 250(30) keV | 250(30) keV | 250(30) keV | 25.0(2) min | α (67%) | 208Tl | (9−) |  |  |
| 212m1Bi |  | 250(30) keV | 250(30) keV | 250(30) keV | 25.0(2) min | β− (33%) | 212mPo | (9−) |  |  |
| 212m1Bi |  | 250(30) keV | 250(30) keV | 250(30) keV | 25.0(2) min | β−, α (.3%) | 208Pb | (9−) |  |  |
| 212m2Bi |  | 2200(200)# keV | 2200(200)# keV | 2200(200)# keV | 7.0(3) min |  |  | >15 |  |  |
| 213Bi  |  | 83 | 130 | 212.994385(5) | 45.59(6) min | β− (97.91%) | 213Po | 9/2− |  |  |
| 213Bi  |  | 83 | 130 | 212.994385(5) | 45.59(6) min | α (2.09%) | 209Tl | 9/2− |  |  |
| 214Bi | Radium C | 83 | 131 | 213.998712(12) | 19.9(4) min | β− (99.97%) | 214Po | 1− | Trace |  |
| 214Bi | Radium C | 83 | 131 | 213.998712(12) | 19.9(4) min | α (.021%) | 210Tl | 1− | Trace |  |
| 214Bi | Radium C | 83 | 131 | 213.998712(12) | 19.9(4) min | β−, α (.003%) | 210Pb | 1− | Trace |  |
| 215Bi |  | 83 | 132 | 215.001770(16) | 7.6(2) min | β− | 215Po | (9/2−) | Trace |  |
| 215mBi |  | 1347.5(25) keV | 1347.5(25) keV | 1347.5(25) keV | 36.4(25) min |  |  | (25/2−) |  |  |
| 216Bi |  | 83 | 133 | 216.006306(12) | 2.17(5) min | β− | 216Po | 1−# |  |  |
| 217Bi |  | 83 | 134 | 217.00947(21)# | 98.5(8) s |  |  | 9/2−# |  |  |
| 218Bi |  | 83 | 135 | 218.01432(39)# | 33(1) s |  |  | 1−# |  |  |
↑  Bold for isotopes with half-lives longer than the age of the universe (nearly stable)
↑  Abbreviations:
EC: Electron capture
IT: Isomeric transition
↑  Bold for stable isotopes
↑  Formerly believed to be final decay product of 4n+1 decay chain
↑  Primordial radioisotope, also some is radiogenic from the extinct nuclide 237Np
↑  Formerly believed to be the heaviest stable nuclide
1 2  Intermediate decay product of 238U
1 2  Intermediate decay product of 235U
↑  Intermediate decay product of 232Th
↑  Used in medicine such as for cancer treatment.
↑  A byproduct of Thorium reactors via U-233.