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Bismuth Bismuth is a chemical element with the Symbol (chemistry), symbol Bi and atomic number 83. It is a post-transition metal and one of the pnictogens, with chemical properties resembling its lighter group 15 siblings arsenic and antimony. Elemental ...
(83Bi) has 41 known isotopes, ranging from 184Bi to 224Bi. Bismuth has no
stable A stable is a building in which livestock, especially horses, are kept. It most commonly means a building that is divided into separate stalls for individual animals and livestock. There are many different types of stables in use today; the ...
isotope Isotopes are two or more types of atoms that have the same atomic number (number of protons in their nuclei) and position in the periodic table (and hence belong to the same chemical element), and that differ in nucleon numbers (mass numbers) ...
s, but does have one very long-lived isotope; thus, the standard atomic weight can be given as . Although
bismuth-209 Bismuth-209 (209Bi) is the isotope of bismuth with the longest known half-life of any radioisotope that undergoes α-decay (alpha decay). It has 83 protons and a magic number of 126 neutrons, and an atomic mass of 208.9803987 amu (atomic mass un ...
is now known to be unstable, it has classically been considered to be a stable isotope because it has a
half-life Half-life (symbol ) is the time required for a quantity (of substance) to reduce to half of its initial value. The term is commonly used in nuclear physics to describe how quickly unstable atoms undergo radioactive decay or how long stable ato ...
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 A radionuclide (radioactive nuclide, radioisotope or radioactive isotope) is a nuclide that has excess nuclear energy, making it unstable. This excess energy can be used in one of three ways: emitted from the nucleus as gamma radiation; transferr ...
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 occurs in nature. All other isotopes have half-lives under 1 year, most under a day. Of naturally occurring radioisotopes, the most stable is
radiogenic A radiogenic nuclide is a nuclide that is produced by a process of radioactive decay. It may itself be radioactive (a radionuclide) or stable (a stable nuclide). Radiogenic nuclides (more commonly referred to as radiogenic isotopes) form some ...
210Bi with a half-life of 5.012 days. 210mBi, like 180mTa, 242mAm and some holmium isomers, is unusual for being a
nuclear isomer A nuclear isomer is a metastable state of an atomic nucleus, in which one or more nucleons (protons or neutrons) occupy excited state, higher energy levels than in the ground state of the same nucleus. "Metastable" describes nuclei whose excited ...
with a half-life multiple orders of magnitude longer than that of the ground state. Commercially, the isotope bismuth-213 can be produced by bombarding
radium Radium is a chemical element with the symbol Ra and atomic number 88. It is the sixth element in group 2 of the periodic table, also known as the alkaline earth metals. Pure radium is silvery-white, but it readily reacts with nitrogen (rather t ...
with
bremsstrahlung ''Bremsstrahlung'' (), from "to brake" and "radiation"; i.e., "braking radiation" or "deceleration radiation", is electromagnetic radiation produced by the deceleration of a charged particle when deflected by another charged particle, typicall ...
photons from a
linear particle accelerator A linear particle accelerator (often shortened to linac) is a type of particle accelerator that accelerates charged subatomic particles or ions to a high speed by subjecting them to a series of oscillating electric potentials along a linear b ...
. In 1997, an antibody conjugate with 213Bi (which has a 45-minute half-life, and decays with the emission of an alpha particle) 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. Bismuth-213 is also found in the decay chain of
uranium-233 Uranium-233 (233U or U-233) is a fissile Isotopes of uranium, isotope of uranium that is bred from thorium-232 as part of the thorium fuel cycle. Uranium-233 was investigated for use in nuclear weapons and as a Nuclear fuel, reactor fuel. It ha ...
, which is the fuel bred by
thorium reactor The thorium fuel cycle is a nuclear fuel cycle that uses an isotope of thorium, , as the fertile material. In the reactor, is transmuted into the fissile artificial uranium isotope which is the nuclear fuel. Unlike natural uranium, natural t ...
s.


List of isotopes

, - , 184Bi , , style="text-align:right" , 83 , style="text-align:right" , 101 , 184.00112(14)# , 6.6(15) ms , , , 3+# , , , - , style="text-indent:1em" , 184mBi , , colspan="3" style="text-indent:2em" , 150(100)# keV , 13(2) ms , , , 10−# , , , - , rowspan=2, 185Bi , rowspan=2, , rowspan=2 style="text-align:right" , 83 , rowspan=2 style="text-align:right" , 102 , rowspan=2, 184.99763(6)# , rowspan=2, 2# ms , p , 184Pb , rowspan=2, 9/2−# , rowspan=2, , rowspan=2, , - , α (rare) , 181Tl , - , rowspan=2 style="text-indent:1em" , 185mBi , rowspan=2, , rowspan=2 colspan="3" style="text-indent:2em" , 70(50)# keV , rowspan=2, 49(7) μs , α , 181Tl , rowspan=2, 1/2+ , rowspan=2, , rowspan=2, , - , p , 184Pb , - , rowspan=2, 186Bi , rowspan=2, , rowspan=2 style="text-align:right" , 83 , rowspan=2 style="text-align:right" , 103 , rowspan=2, 185.99660(8) , rowspan=2, 14.8(7) ms , α , 182Tl , rowspan=2, (3+) , rowspan=2, , rowspan=2, , - , β+ (rare) , 186Pb , - , rowspan=2 style="text-indent:1em" , 186mBi , rowspan=2, , rowspan=2 colspan="3" style="text-indent:2em" , 270(140)# keV , rowspan=2, 9.8(4) ms , α , 182Tl , rowspan=2, (10−) , rowspan=2, , rowspan=2, , - , β+ , 186Pb , - , rowspan=2, 187Bi , rowspan=2, , rowspan=2 style="text-align:right" , 83 , rowspan=2 style="text-align:right" , 104 , rowspan=2, 186.993158(16) , rowspan=2, 32(3) ms , α (50%) , 183Tl , rowspan=2, 9/2−# , rowspan=2, , rowspan=2, , - , β+ (50%) , 187Pb , - , style="text-indent:1em" , 187m1Bi , , colspan="3" style="text-indent:2em" , 101(20) keV , 320(70) μs , , , 1/2+# , , , - , style="text-indent:1em" , 187m2Bi , , colspan="3" style="text-indent:2em" , 252(1) keV , 7(5) μs , , , (13/2+) , , , - , rowspan=2, 188Bi , rowspan=2, , rowspan=2 style="text-align:right" , 83 , rowspan=2 style="text-align:right" , 105 , rowspan=2, 187.99227(5) , rowspan=2, 44(3) ms , α , 184Tl , rowspan=2, 3+# , rowspan=2, , rowspan=2, , - , β+ (rare) , 188Pb , - , rowspan=2 style="text-indent:1em" , 188mBi , rowspan=2, , rowspan=2 colspan="3" style="text-indent:2em" , 210(140)# keV , rowspan=2, 220(40) ms , α , 184Tl , rowspan=2, (10−) , rowspan=2, , rowspan=2, , - , β+ (rare) , 188Pb , - , rowspan=2, 189Bi , rowspan=2, , rowspan=2 style="text-align:right" , 83 , rowspan=2 style="text-align:right" , 106 , rowspan=2, 188.98920(6) , rowspan=2, 674(11) ms , α (51%) , 185Tl , rowspan=2, (9/2−) , rowspan=2, , rowspan=2, , - , β+ (49%) , 189Pb , - , style="text-indent:1em" , 189m1Bi , , colspan="3" style="text-indent:2em" , 181(6) keV , 5.0(1) ms , , , (1/2+) , , , - , style="text-indent:1em" , 189m2Bi , , colspan="3" style="text-indent:2em" , 357(1) keV , 880(50) ns , , , (13/2+) , , , - , rowspan=2, 190Bi , rowspan=2, , rowspan=2 style="text-align:right" , 83 , rowspan=2 style="text-align:right" , 107 , rowspan=2, 189.9883(2) , rowspan=2, 6.3(1) s , α (77%) , 186Tl , rowspan=2, (3+) , rowspan=2, , rowspan=2, , - , β+ (30%) , 190Pb , - , rowspan=2 style="text-indent:1em" , 190m1Bi , rowspan=2, , rowspan=2 colspan="3" style="text-indent:2em" , 420(180) keV , rowspan=2, 6.2(1) s , α (70%) , 186Tl , rowspan=2, (10−) , rowspan=2, , rowspan=2, , - , β+ (23%) , 190Pb , - , style="text-indent:1em" , 190m2Bi , , colspan="3" style="text-indent:2em" , 690(180) keV , >500(100) ns , , , 7+# , , , - , rowspan=2, 191Bi , rowspan=2, , rowspan=2 style="text-align:right" , 83 , rowspan=2 style="text-align:right" , 108 , rowspan=2, 190.985786(8) , rowspan=2, 12.3(3) s , α (60%) , 187Tl , rowspan=2, (9/2−) , rowspan=2, , rowspan=2, , - , β+ (40%) , 191Pb , - , rowspan=2 style="text-indent:1em" , 191mBi , rowspan=2, , rowspan=2 colspan="3" style="text-indent:2em" , 240(4) keV , rowspan=2, 124(5) ms , α (75%) , 187Tl , rowspan=2, (1/2+) , rowspan=2, , rowspan=2, , - , β+ (25%) , 191Pb , - , rowspan=2, 192Bi , rowspan=2, , rowspan=2 style="text-align:right" , 83 , rowspan=2 style="text-align:right" , 109 , rowspan=2, 191.98546(4) , rowspan=2, 34.6(9) s , β+ (82%) , 192Pb , rowspan=2, (3+) , rowspan=2, , rowspan=2, , - , α (18%) , 188Tl , - , rowspan=2 style="text-indent:1em" , 192mBi , rowspan=2, , rowspan=2 colspan="3" style="text-indent:2em" , 150(30) keV , rowspan=2, 39.6(4) s , β+ (90.8%) , 192Pb , rowspan=2, (10−) , rowspan=2, , rowspan=2, , - , α (9.2%) , 188Tl , - , rowspan=2, 193Bi , rowspan=2, , rowspan=2 style="text-align:right" , 83 , rowspan=2 style="text-align:right" , 110 , rowspan=2, 192.98296(1) , rowspan=2, 67(3) s , β+ (95%) , 193Pb , rowspan=2, (9/2−) , rowspan=2, , rowspan=2, , - , α (5%) , 189Tl , - , rowspan=2 style="text-indent:1em" , 193mBi , rowspan=2, , rowspan=2 colspan="3" style="text-indent:2em" , 308(7) keV , rowspan=2, 3.2(6) s , α (90%) , 189Tl , rowspan=2, (1/2+) , rowspan=2, , rowspan=2, , - , β+ (10%) , 193Pb , - , rowspan=2, 194Bi , rowspan=2, , rowspan=2 style="text-align:right" , 83 , rowspan=2 style="text-align:right" , 111 , rowspan=2, 193.98283(5) , rowspan=2, 95(3) s , β+ (99.54%) , 194Pb , rowspan=2, (3+) , rowspan=2, , rowspan=2, , - , α (.46%) , 190Tl , - , rowspan=2 style="text-indent:1em" , 194m1Bi , rowspan=2, , rowspan=2 colspan="3" style="text-indent:2em" , 110(70) keV , rowspan=2, 125(2) s , β+ , 194Pb , rowspan=2, (6+, 7+) , rowspan=2, , rowspan=2, , - , α (rare) , 190Tl , - , style="text-indent:1em" , 194m2Bi , , colspan="3" style="text-indent:2em" , 230(90)# keV , 115(4) s , , , (10−) , , , - , rowspan=2, 195Bi , rowspan=2, , rowspan=2 style="text-align:right" , 83 , rowspan=2 style="text-align:right" , 112 , rowspan=2, 194.980651(6) , rowspan=2, 183(4) s , β+ (99.97%) , 195Pb , rowspan=2, (9/2−) , rowspan=2, , rowspan=2, , - , α (.03%) , 191Tl , - , 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, , rowspan=2, , - , α (33%) , 191Tl , - , style="text-indent:1em" , 195m2Bi , , colspan="3" style="text-indent:2em" , 2311.4+X keV , 750(50) ns , , , (29/2−) , , , - , 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, 5.1(2) min , β+ (99.99%) , 196Pb , rowspan=2, (3+) , rowspan=2, , rowspan=2, , - , α (.00115%) , 192Tl , - , rowspan=2 style="text-indent:1em" , 196m1Bi , rowspan=2, , rowspan=2 colspan="3" style="text-indent:2em" , 166.6(30) keV , rowspan=2, 0.6(5) s , IT , 196Bi , rowspan=2, (7+) , rowspan=2, , rowspan=2, , - , β+ , 196Pb , - , style="text-indent:1em" , 196m2Bi , , colspan="3" style="text-indent:2em" , 270(3) keV , 4.00(5) min , , , (10−) , , , - , rowspan=2, 197Bi , rowspan=2, , rowspan=2 style="text-align:right" , 83 , rowspan=2 style="text-align:right" , 114 , rowspan=2, 196.978864(9) , rowspan=2, 9.33(50) min , β+ (99.99%) , 197Pb , rowspan=2, (9/2−) , rowspan=2, , rowspan=2, , - , α (10−4%) , 193Tl , - , rowspan=3 style="text-indent:1em" , 197m1Bi , rowspan=3, , rowspan=3 colspan="3" style="text-indent:2em" , 690(110) keV , rowspan=3, 5.04(16) min , α (55%) , 193Tl , rowspan=3, (1/2+) , rowspan=3, , rowspan=3, , - , β+ (45%) , 197Pb , - , IT (.3%) , 197Bi , - , style="text-indent:1em" , 197m2Bi , , colspan="3" style="text-indent:2em" , 2129.3(4) keV , 204(18) ns , , , (23/2−) , , , - , style="text-indent:1em" , 197m3Bi , , colspan="3" style="text-indent:2em" , 2360.4(5)+X keV , 263(13) ns , , , (29/2−) , , , - , style="text-indent:1em" , 197m4Bi , , colspan="3" style="text-indent:2em" , 2383.1(7)+X keV , 253(39) ns , , , (29/2−) , , , - , style="text-indent:1em" , 197m5Bi , , colspan="3" style="text-indent:2em" , 2929.5(5) keV , 209(30) ns , , , (31/2−) , , , - , 198Bi , , style="text-align:right" , 83 , style="text-align:right" , 115 , 197.97921(3) , 10.3(3) min , β+ , 198Pb , (2+, 3+) , , , - , style="text-indent:1em" , 198m1Bi , , colspan="3" style="text-indent:2em" , 280(40) keV , 11.6(3) min , β+ , 198Pb , (7+) , , , - , style="text-indent:1em" , 198m2Bi , , colspan="3" style="text-indent:2em" , 530(40) keV , 7.7(5) s , , , 10− , , , - , 199Bi , , style="text-align:right" , 83 , style="text-align:right" , 116 , 198.977672(13) , 27(1) min , β+ , 199Pb , 9/2− , , , - , rowspan=3 style="text-indent:1em" , 199m1Bi , rowspan=3, , rowspan=3 colspan="3" style="text-indent:2em" , 667(4) keV , rowspan=3, 24.70(15) min , β+ (98%) , 199Pb , rowspan=3, (1/2+) , rowspan=3, , rowspan=3, , - , IT (2%) , 199Bi , - , α (.01%) , 195Tl , - , style="text-indent:1em" , 199m2Bi , , colspan="3" style="text-indent:2em" , 1947(25) keV , 0.10(3) μs , , , (25/2+) , , , - , style="text-indent:1em" , 199m3Bi , , colspan="3" style="text-indent:2em" , ~2547.0 keV , 168(13) ns , , , 29/2− , , , - , 200Bi , , style="text-align:right" , 83 , style="text-align:right" , 117 , 199.978132(26) , 36.4(5) min , β+ , 200Pb , 7+ , , , - , rowspan=2 style="text-indent:1em" , 200m1Bi , rowspan=2, , rowspan=2 colspan="3" style="text-indent:2em" , 100(70)# keV , rowspan=2, 31(2) min , EC (90%) , 200Pb , rowspan=2, (2+) , rowspan=2, , rowspan=2, , - , IT (10%) , 200Bi , - , style="text-indent:1em" , 200m2Bi , , colspan="3" style="text-indent:2em" , 428.20(10) keV , 400(50) ms , , , (10−) , , , - , rowspan=2, 201Bi , rowspan=2, , rowspan=2 style="text-align:right" , 83 , rowspan=2 style="text-align:right" , 118 , rowspan=2, 200.977009(16) , rowspan=2, 108(3) min , β+ (99.99%) , 201Pb , rowspan=2, 9/2− , rowspan=2, , rowspan=2, , - , α (10−4%) , 197Tl , - , rowspan=3 style="text-indent:1em" , 201m1Bi , rowspan=3, , rowspan=3 colspan="3" style="text-indent:2em" , 846.34(21) keV , rowspan=3, 59.1(6) min , EC (92.9%) , 201Pb , rowspan=3, 1/2+ , rowspan=3, , rowspan=3, , - , IT (6.8%) , 201Bi , - , α (.3%) , 197Tl , - , style="text-indent:1em" , 201m2Bi , , colspan="3" style="text-indent:2em" , 1932.2+X keV , 118(28) ns , , , (25/2+) , , , - , style="text-indent:1em" , 201m3Bi , , colspan="3" style="text-indent:2em" , 1971.2+X keV , 105(75) ns , , , (27/2+) , , , - , style="text-indent:1em" , 201m4Bi , , colspan="3" style="text-indent:2em" , 2739.90(20)+X keV , 124(4) ns , , , (29/2−) , , , - , rowspan=2, 202Bi , rowspan=2, , rowspan=2 style="text-align:right" , 83 , rowspan=2 style="text-align:right" , 119 , rowspan=2, 201.977742(22) , rowspan=2, 1.72(5) h , β+ , 202Pb , rowspan=2, 5(+#) , rowspan=2, , rowspan=2, , - , α (10−5%) , 198Tl , - , style="text-indent:1em" , 202m1Bi , , colspan="3" style="text-indent:2em" , 615(7) keV , 3.04(6) μs , , , (10#)− , , , - , style="text-indent:1em" , 202m2Bi , , colspan="3" style="text-indent:2em" , 2607.1(5) keV , 310(50) ns , , , (17+) , , , - , rowspan=2, 203Bi , rowspan=2, , rowspan=2 style="text-align:right" , 83 , rowspan=2 style="text-align:right" , 120 , rowspan=2, 202.976876(23) , rowspan=2, 11.76(5) h , β+ , 203Pb , rowspan=2, 9/2− , rowspan=2, , rowspan=2, , - , α (10−5%) , 199Tl , - , style="text-indent:1em" , 203m1Bi , , colspan="3" style="text-indent:2em" , 1098.14(7) keV , 303(5) ms , IT , 203Bi , 1/2+ , , , - , style="text-indent:1em" , 203m2Bi , , colspan="3" style="text-indent:2em" , 2041.5(6) keV , 194(30) ns , , , 25/2+ , , , - , 204Bi , , style="text-align:right" , 83 , style="text-align:right" , 121 , 203.977813(28) , 11.22(10) h , β+ , 204Pb , 6+ , , , - , style="text-indent:1em" , 204m1Bi , , colspan="3" style="text-indent:2em" , 805.5(3) keV , 13.0(1) ms , IT , 204Bi , 10− , , , - , style="text-indent:1em" , 204m2Bi , , colspan="3" style="text-indent:2em" , 2833.4(11) keV , 1.07(3) ms , , , (17+) , , , - , 205Bi , , style="text-align:right" , 83 , style="text-align:right" , 122 , 204.977389(8) , 15.31(4) d , β+ , 205Pb , 9/2− , , , - , 206Bi , , style="text-align:right" , 83 , style="text-align:right" , 123 , 205.978499(8) , 6.243(3) d , β+ , 206Pb , 6(+) , , , - , style="text-indent:1em" , 206m1Bi , , colspan="3" style="text-indent:2em" , 59.897(17) keV , 7.7(2) μs , , , (4+) , , , - , style="text-indent:1em" , 206m2Bi , , colspan="3" style="text-indent:2em" , 1044.8(5) keV , 890(10) μs , , , (10−) , , , - , 207Bi , , style="text-align:right" , 83 , style="text-align:right" , 124 , 206.9784707(26) , 32.9(14) y , β+ , 207Pb , 9/2− , , , - , style="text-indent:1em" , 207mBi , , colspan="3" style="text-indent:2em" , 2101.49(16) keV , 182(6) μs , , , 21/2+ , , , - , 208Bi , , style="text-align:right" , 83 , style="text-align:right" , 125 , 207.9797422(25) , 3.68(4)×105 y , β+ , 208Pb , (5)+ , , , - , style="text-indent:1em" , 208mBi , , colspan="3" style="text-indent:2em" , 1571.1(4) keV , 2.58(4) ms , IT , 208Bi , (10)− , , , - , 209Bi
Formerly believed to be final
decay product In nuclear physics, a decay product (also known as a daughter product, daughter isotope, radio-daughter, or daughter nuclide) is the remaining nuclide left over from radioactive decay. Radioactive decay often proceeds via a sequence of steps ( ...
of 4n+1
decay chain In nuclear science, the decay chain refers to a series of radioactive decays of different radioactive decay products as a sequential series of transformations. It is also known as a "radioactive cascade". Most radioisotopes do not decay direct ...
 Primordial
radioisotope A radionuclide (radioactive nuclide, radioisotope or radioactive isotope) is a nuclide that has excess nuclear energy, making it unstable. This excess energy can be used in one of three ways: emitted from the nucleus as gamma radiation; transferr ...
, also some is radiogenic from the extinct nuclide 237Np , , style="text-align:right" , 83 , style="text-align:right" , 126 , 208.9803987(16) , 2.01(8)×1019 y
Formerly believed to be the heaviest stable nuclide , α , 205Tl , 9/2− , 1.0000 , , - , rowspan=2, 210Bi , rowspan=2, Radium E , rowspan=2 style="text-align:right" , 83 , rowspan=2 style="text-align:right" , 127 , rowspan=2, 209.9841204(16) , rowspan=2, 5.012(5) d , β− , 210Po , rowspan=2, 1− , rowspan=2, TraceIntermediate decay product of 238U , rowspan=2, , - , α (1.32×10−4%) , 206Tl , - , style="text-indent:1em" , 210mBi , , colspan="3" style="text-indent:2em" , 271.31(11) keV , 3.04(6)×106 y , α , 206Tl , 9− , , , - , 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, TraceIntermediate decay product of 235U , rowspan=2, , - , β− (.276%) , 211Po , - , style="text-indent:1em" , 211mBi , , colspan="3" style="text-indent:2em" , 1257(10) keV , 1.4(3) μs , , , (25/2−) , , , - , rowspan=3, 212Bi , rowspan=3, Thorium C , rowspan=3 style="text-align:right" , 83 , rowspan=3 style="text-align:right" , 129 , rowspan=3, 211.9912857(21) , rowspan=3, 60.55(6) min , β− (64.05%) , 212Po , rowspan=3, 1(−) , rowspan=3, TraceIntermediate decay product of 232Th , rowspan=3, , - , α (35.94%) , 208Tl , - , β−, α (.014%) , 208Pb , - , 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, (9−) , rowspan=3, , rowspan=3, , - , β− (33%) , 212mPo , - , β−, α (.3%) , 208Pb , - , style="text-indent:1em" , 212m2Bi , , colspan="3" style="text-indent:2em" , 2200(200)# keV , 7.0(3) min , , , >16 , , , - , rowspan=2, 213Bi
Used in
medicine Medicine is the science and practice of caring for a patient, managing the diagnosis, prognosis, prevention, treatment, palliation of their injury or disease, and promoting their health. Medicine encompasses a variety of health care pract ...
such as for cancer treatment.A byproduct of thorium reactors via 233U. , rowspan=2, , rowspan=2 style="text-align:right" , 83 , rowspan=2 style="text-align:right" , 130 , rowspan=2, 212.994385(5) , rowspan=2, 45.59(6) min , β− (97.91%) , 213Po , rowspan=2, 9/2− , rowspan=2, TraceIntermediate decay product of 237Np , rowspan=2, , - , α (2.09%) , 209Tl , - , rowspan=3, 214Bi , rowspan=3, Radium C , rowspan=3 style="text-align:right" , 83 , rowspan=3 style="text-align:right" , 131 , rowspan=3, 213.998712(12) , rowspan=3, 19.9(4) min , β− (99.97%) , 214Po , rowspan=3, 1− , rowspan=3, Trace , rowspan=3, , - , α (.021%) , 210Tl , - , β−, α (.003%) , 210Pb , - , 215Bi , , style="text-align:right" , 83 , style="text-align:right" , 132 , 215.001770(16) , 7.6(2) min , β− , 215Po , (9/2−) , Trace , , - , rowspan=2 style="text-indent:1em" , 215mBi , rowspan=2, , rowspan=2 colspan="3" style="text-indent:2em" , 1347.5(25) keV , rowspan=2, 36.9(6) s , IT (76.9%) , 215Bi , rowspan=2, (25/2−) , rowspan=2, , rowspan=2, , - , β− (23.1%) , 215Po , - , 216Bi , , style="text-align:right" , 83 , style="text-align:right" , 133 , 216.006306(12) , 2.17(5) min , β− , 216Po , (6-, 7-) , , , - , style="text-indent:1em" , 216mBi , , colspan="3" style="text-indent:2em" , 24(19) keV , 6.6(21) min , β− , 216Po , 3-# , , , - , 217Bi , , style="text-align:right" , 83 , style="text-align:right" , 134 , 217.009372(19) , 98.5(8) s , β− , 217Po , 9/2−# , , , - , style="text-indent:1em" , 217mBi , , colspan="3" style="text-indent:2em" , 1480(40) keV , 2.70(6) μs , IT , 217Bi , 25/2−# , , , - , 218Bi , , style="text-align:right" , 83 , style="text-align:right" , 135 , 218.014188(29) , 33(1) s , β− , 218Po , (6-, 7-, 8-) , , , - , 219Bi , , style="text-align:right" , 83 , style="text-align:right" , 136 , 219.017480(210)# , 8.7(29) s , β− , 219Po , 9/2-# , , , - , 220Bi , , style="text-align:right" , 83 , style="text-align:right" , 137 , 220.022350(320)# , 9.5(57) s , β− , 220Po , 1-# , ,


References

* Isotope masses from: ** * Isotopic compositions and standard atomic masses from: ** ** * Half-life, spin, and isomer data selected from the following sources. ** ** ** {{Authority control Bismuth
Bismuth Bismuth is a chemical element with the Symbol (chemistry), symbol Bi and atomic number 83. It is a post-transition metal and one of the pnictogens, with chemical properties resembling its lighter group 15 siblings arsenic and antimony. Elemental ...