Isotopes of bismuth














Main isotopes of bismuth .mw-parser-output .nobold{font-weight:normal}
(83Bi)

























































Iso­tope

Decay


abun­dance

half-life
(t1/2)

mode

pro­duct

207Bi

syn
31.55 y

β+

207Pb

208Bi
syn
3.68×105 y
β+

208Pb

209Bi
100%
1.9×1019 y

α

205Tl

210Bi

trace
5.012 d

β

210Po
α

206Tl

210mBi
syn
3.04×106 y

IT

210Bi
α

206Tl


Standard atomic weight
(Ar, standard)
  • 7002208980400000000♠208.98040(1)[1]

Bismuth (83Bi) has no stable isotopes, but does have one very long-lived isotope; thus, the standard atomic weight can be given as 7002208980400000000♠208.98040(1). Although bismuth-209 is now known to be unstable, it has classically been considered to be a "stable" isotope because it has a half-life of over 1.9×1019 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.


Commercially the radioactive isotope bismuth-213 can be produced by bombarding radium with bremsstrahlung photons from a linear particle accelerator. In 1997 an antibody conjugate with Bi-213, 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.[2] Bismuth-213 is also found on the decay chain of uranium-233 which is the fuel "bred" by Thorium reactors.




Contents






  • 1 List of isotopes


    • 1.1 Notes




  • 2 See also


  • 3 References





List of isotopes


























































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































nuclide
symbol
historic
name
Z(p)
N(n)
 
isotopic
mass (u)[3]
 
half-life
[4][n 1]
decay
mode
[5][n 2]
daughter
isotope
[n 3]
nuclear
spin and
parity
representative
isotopic
composition
(mole fraction)
range of
natural
variation
(mole fraction)
excitation energy

184Bi

83
101
184.00112(14)#
6.6(15) ms


3+#



184mBi

150(100)# keV
13(2) ms


10−#



185Bi

83
102
184.99763(6)#
2# ms

p

184Pb
9/2−#



α (rare)

181Tl

185mBi

70(50)# keV
49(7) µs
α

181Tl
1/2+


p

184Pb

186Bi

83
103
185.99660(8)
14.8(7) ms
α

182Tl
(3+)



β+ (rare)

186Pb

186mBi

270(140)# keV
9.8(4) ms
α

182Tl
(10−)


β+

186Pb

187Bi

83
104
186.993158(16)
32(3) ms
α (50%)

183Tl
9/2−#


β+ (50%)

187Pb

187m1Bi

101(20) keV
320(70) µs


1/2+#



187m2Bi

252(1) keV
7(5) µs


(13/2+)



188Bi

83
105
187.99227(5)
44(3) ms
α

184Tl
3+#


β+ (rare)

188Pb

188mBi

210(140)# keV
220(40) ms
α

184Tl
(10−)


β+ (rare)

188Pb

189Bi

83
106
188.98920(6)
674(11) ms
α (51%)

185Tl
(9/2−)


β+ (49%)

189Pb

189m1Bi

181(6) keV
5.0(1) ms


(1/2+)



189m2Bi

357(1) keV
880(50) ns


(13/2+)



190Bi

83
107
189.9883(2)
6.3(1) s
α (77%)

186Tl
(3+)


β+ (30%)

190Pb

190m1Bi

420(180) keV
6.2(1) s
α (70%)

186Tl
(10−)


β+ (23%)

190Pb

190m2Bi

690(180) keV
>500(100) ns


7+#



191Bi

83
108
190.985786(8)
12.3(3) s
α (60%)

187Tl
(9/2−)


β+ (40%)

191Pb

191mBi

240(4) keV
124(5) ms
α (75%)

187Tl
(1/2+)


β+ (25%)

191Pb

192Bi

83
109
191.98546(4)
34.6(9) s
β+ (82%)

192Pb
(3+)


α (18%)

188Tl

192mBi

150(30) keV
39.6(4) s
β+ (90.8%)

192Pb
(10−)


α (9.2%)

188Tl

193Bi

83
110
192.98296(1)
67(3) s
β+ (95%)

193Pb
(9/2−)


α (5%)

189Tl

193mBi

308(7) keV
3.2(6) s
α (90%)

189Tl
(1/2+)


β+ (10%)

193Pb

194Bi

83
111
193.98283(5)
95(3) s
β+ (99.54%)

194Pb
(3+)


α (.46%)

190Tl

194m1Bi

110(70) keV
125(2) s
β+

194Pb
(6+,7+)


α (rare)

190Tl

194m2Bi

230(90)# keV
115(4) s


(10−)



195Bi

83
112
194.980651(6)
183(4) s
β+ (99.97%)

195Pb
(9/2−)


α (.03%)

191Tl

195m1Bi

399(6) keV
87(1) s
β+ (67%)

195Pb
(1/2+)


α (33%)

191Tl

195m2Bi

2311.4+X keV
750(50) ns


(29/2−)



196Bi

83
113
195.980667(26)
5.1(2) min
β+ (99.99%)

196Pb
(3+)


α (.00115%)

192Tl

196m1Bi

166.6(30) keV
0.6(5) s

IT

196Bi
(7+)


β+

196Pb

196m2Bi

270(3) keV
4.00(5) min


(10−)



197Bi

83
114
196.978864(9)
9.33(50) min
β+ (99.99%)

197Pb
(9/2−)


α (10−4%)

193Tl

197m1Bi

690(110) keV
5.04(16) min
α (55%)

193Tl
(1/2+)


β+ (45%)

197Pb
IT (.3%)

197Bi

197m2Bi

2129.3(4) keV
204(18) ns


(23/2−)



197m3Bi

2360.4(5)+X keV
263(13) ns


(29/2−)



197m4Bi

2383.1(7)+X keV
253(39) ns


(29/2−)



197m5Bi

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
11.6(3) min
β+

198Pb
(7+)



198m2Bi

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
24.70(15) min
β+ (98%)

199Pb
(1/2+)


IT (2%)

199Bi
α (.01%)

195Tl

199m2Bi

1947(25) keV
0.10(3) µs


(25/2+)



199m3Bi

~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
31(2) min

EC (90%)

200Pb
(2+)


IT (10%)

200Bi

200m2Bi

428.20(10) keV
400(50) ms


(10−)



201Bi

83
118
200.977009(16)
108(3) min
β+ (99.99%)

201Pb
9/2−


α (10−4%)

197Tl

201m1Bi

846.34(21) keV
59.1(6) min
EC (92.9%)

201Pb
1/2+


IT (6.8%)

201Bi
α (.3%)

197Tl

201m2Bi

1932.2+X keV
118(28) ns


(25/2+)



201m3Bi

1971.2+X keV
105(75) ns


(27/2+)



201m4Bi

2739.90(20)+X keV
124(4) ns


(29/2−)



202Bi

83
119
201.977742(22)
1.72(5) h
β+

202Pb
5(+#)


α (10−5%)

198Tl

202m1Bi

615(7) keV
3.04(6) µs


(10#)−



202m2Bi

2607.1(5) keV
310(50) ns


(17+)



203Bi

83
120
202.976876(23)
11.76(5) h
β+

203Pb
9/2−


α (10−5%)

199Tl

203m1Bi

1098.14(7) keV
303(5) ms
IT

203Bi
1/2+



203m2Bi

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
13.0(1) ms
IT

204Bi
10−



204m2Bi

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
7.7(2) µs


(4+)



206m2Bi

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
182(6) µs


21/2+



208Bi

83
125
207.9797422(25)
3.68(4)×105 y
β+

208Pb
(5)+



208mBi

1571.1(4) keV
2.58(4) ms
IT

208Bi
(10)−



209Bi
[n 4][n 5]

83
126
208.9803987(16)

1.9(2)×1019 y
[n 6]
α

205Tl
9/2−
1.0000


210Bi
Radium E
83
127
209.9841204(16)
5.012(5) d
β

210Po
1−
Trace[n 7]

α (1.32×10−4%)

206Tl

210mBi

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[n 8]

β (.276%)

211Po

211mBi

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[n 9]

α (35.94%)

208Tl
β, α (.014%)

208Pb

212m1Bi

250(30) keV
25.0(2) min
α (67%)

208Tl
(9−)


β (33%)

212mPo
β, α (.3%)

208Pb

212m2Bi

2200(200)# keV
7.0(3) min


>16



213Bi
[n 10][n 11]

83
130
212.994385(5)
45.59(6) min
β (97.91%)

213Po
9/2−


α (2.09%)

209Tl

214Bi
Radium C
83
131
213.998712(12)
19.9(4) min
β (99.97%)

214Po
1−
Trace[n 7]

α (.021%)

210Tl
β, α (.003%)

210Pb

215Bi

83
132
215.001770(16)
7.6(2) min
β

215Po
(9/2−)
Trace[n 8]


215mBi

1347.5(25) keV
36.9(0.6) s
IT (76.9%)

215Bi
(25/2−)


β (23.1%)

215Po

216Bi

83
133
216.006306(12)
2.17(5) min
β

216Po
(6-, 7-)



216mBi

24(19) keV
6.6(2.1) min
β

216Po
3-#



217Bi

83
134
217.009372(19)
98.5(8) s
β

217Po
9/2−#



217mBi

1480(40) keV
2.70(0.06) µs
IT

217Bi
25/2−#



218Bi

83
135
218.014188(29)
33(1) s
β

218Po
(6-, 7-, 8-)



219Bi

83
136
219.017480(210)#
8.7(2.9) s
β

219Po
9/2-#



220Bi

83
137
220.022350(320)#
9.5(5.7) s
β

220Po
1-#





  1. ^ Bold for isotopes with half-lives longer than the age of the universe (nearly stable)


  2. ^ Abbreviations:
    EC: Electron capture
    IT: Isomeric transition



  3. ^ Bold for stable isotopes


  4. ^ Formerly believed to be final decay product of 4n+1 decay chain


  5. ^ Primordial radioisotope, also some is radiogenic from the extinct nuclide 237Np


  6. ^ Formerly believed to be the heaviest stable nuclide


  7. ^ ab Intermediate decay product of 238U


  8. ^ ab Intermediate decay product of 235U


  9. ^ Intermediate decay product of 232Th


  10. ^ Used in medicine such as for cancer treatment.


  11. ^ A byproduct of Thorium reactors via U-233.



Notes



  • Values marked # are not purely derived from experimental data, but at least partly from systematic trends. Spins with weak assignment arguments are enclosed in parentheses.

  • Uncertainties are given in concise form in parentheses after the corresponding last digits. Uncertainty values denote one standard deviation, except isotopic composition and standard atomic mass from IUPAC, which use expanded uncertainties.



See also








References




  1. ^ Meija, J.; et al. (2016). "Atomic weights of the elements 2013 (IUPAC Technical Report)". Pure and Applied Chemistry. 88 (3): 265–91. doi:10.1515/pac-2015-0305..mw-parser-output cite.citation{font-style:inherit}.mw-parser-output q{quotes:"""""""'""'"}.mw-parser-output code.cs1-code{color:inherit;background:inherit;border:inherit;padding:inherit}.mw-parser-output .cs1-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/6/65/Lock-green.svg/9px-Lock-green.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .cs1-lock-limited a,.mw-parser-output .cs1-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/d/d6/Lock-gray-alt-2.svg/9px-Lock-gray-alt-2.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .cs1-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/a/aa/Lock-red-alt-2.svg/9px-Lock-red-alt-2.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registration{color:#555}.mw-parser-output .cs1-subscription span,.mw-parser-output .cs1-registration span{border-bottom:1px dotted;cursor:help}.mw-parser-output .cs1-hidden-error{display:none;font-size:100%}.mw-parser-output .cs1-visible-error{font-size:100%}.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registration,.mw-parser-output .cs1-format{font-size:95%}.mw-parser-output .cs1-kern-left,.mw-parser-output .cs1-kern-wl-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right,.mw-parser-output .cs1-kern-wl-right{padding-right:0.2em}


  2. ^ Imam, S (2001). "Advancements in cancer therapy with alpha-emitters: a review". International Journal of Radiation Oncology Biology Physics. 51: 271. doi:10.1016/S0360-3016(01)01585-1.


  3. ^ Wang, M.; Audi, G.; Kondev, F.G.; Huang, W.J.; Naimi, S.; Xu, X. (2017). "The AME2016 atomic mass evaluation (II). Tables, graphs, and references". Chinese Physics C. 41 (3): 030003. doi:10.1088/1674-1137/41/3/030003.


  4. ^ Audi, G.; Kondev, F.G.; Wang, M.; Huang, W.J.; Naimi, S. (2017). "The NUBASE2016 evaluation of nuclear properties" (PDF). Chinese Physics C. 41 (3): 030001. doi:10.1088/1674-1137/41/3/030001.


  5. ^ "Universal Nuclide Chart". nucleonica. (Registration required (help)).



  • Isotope masses from:

    • G. Audi; A. H. Wapstra; C. Thibault; J. Blachot; O. Bersillon (2003). "The NUBASE evaluation of nuclear and decay properties" (PDF). Nuclear Physics A. 729: 3–128. Bibcode:2003NuPhA.729....3A. doi:10.1016/j.nuclphysa.2003.11.001. Archived from the original (PDF) on 2008-09-23.


  • Isotopic compositions and standard atomic masses from:


    • J. R. de Laeter; J. K. Böhlke; P. De Bièvre; H. Hidaka; H. S. Peiser; K. J. R. Rosman; P. D. P. Taylor (2003). "Atomic weights of the elements. Review 2000 (IUPAC Technical Report)". Pure and Applied Chemistry. 75 (6): 683–800. doi:10.1351/pac200375060683.


    • M. E. Wieser (2006). "Atomic weights of the elements 2005 (IUPAC Technical Report)". Pure and Applied Chemistry. 78 (11): 2051–2066. doi:10.1351/pac200678112051. Lay summary.



  • Half-life, spin, and isomer data selected from the following sources. See editing notes on this article's talk page.


    • G. Audi; A. H. Wapstra; C. Thibault; J. Blachot; O. Bersillon (2003). "The NUBASE evaluation of nuclear and decay properties" (PDF). Nuclear Physics A. 729: 3–128. Bibcode:2003NuPhA.729....3A. doi:10.1016/j.nuclphysa.2003.11.001. Archived from the original (PDF) on 2008-09-23.


    • National Nuclear Data Center. "NuDat 2.1 database". Brookhaven National Laboratory. Retrieved September 2005. Check date values in: |accessdate= (help)


    • N. E. Holden (2004). "Table of the Isotopes". In D. R. Lide. CRC Handbook of Chemistry and Physics (85th ed.). CRC Press. Section 11. ISBN 978-0-8493-0485-9.











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