鉍的同位素

鉍（原子量：208.98040(1)）的同位素，沒有一個是穩定的，但是有一個天然放射性同位素鉍，其半衰期長達2.0119年，基本可當作是穩定同位素。鉍其它最穩定的同位素有210mBi（半衰期304萬年）、208Bi（半衰期36.8萬年）、207Bi（半衰期31.22年），但它們都是人造同位素。鉍最穩定的天然放射性同位素是210Bi，半衰期5.012天。

## 圖表

184Bi

184.00112(14)#

6.6(15) ms

3+#

184mBi

150(100)# keV

13(2) ms

10−#

p

184Pb

α （不常見）

181Tl

α

181Tl

p

184Pb

α

182Tl

β+ （不常見）

186Pb

α

182Tl

β+

186Pb

α (50%)

183Tl

β+ (50%)

187Pb

187m1Bi

101(20) keV

320(70) µs

1/2+#

187m2Bi

252(1) keV

7(5) µs

(13/2+)

α

184Tl

β+ （不常見）

188Pb

α

184Tl

β+ （不常見）

188Pb

α (51%)

185Tl

β+ (49%)

189Pb

189m1Bi

181(6) keV

5.0(1) ms

(1/2+)

189m2Bi

357(1) keV

880(50) ns

(13/2+)

α (77%)

186Tl

β+ (30%)

190Pb

α (70%)

186Tl

β+ (23%)

190Pb

190m2Bi

690(180) keV

>500(100) ns

7+#

α (60%)

187Tl

β+ (40%)

191Pb

α (75%)

187Tl

β+ (25%)

191Pb

β+ (82%)

192Pb

α (18%)

188Tl

β+ (90.8%)

192Pb

α (9.2%)

188Tl

β+ (95%)

193Pb

α (5%)

189Tl

α (90%)

189Tl

β+ (10%)

193Pb

β+ (99.54%)

194Pb

α (.46%)

190Tl

β+

194Pb

α （不常見）

190Tl

194m2Bi

230(90)# keV

115(4) s

(10−)

β+ (99.97%)

195Pb

α (.03%)

191Tl

β+ (67%)

195Pb

α (33%)

191Tl

195m2Bi

2311.4+X keV

750(50) ns

(29/2−)

β+ (99.99%)

196Pb

α (.00115%)

192Tl

IT

196Bi

β+

196Pb

196m2Bi

270(3) keV

4.00(5) min

(10−)

β+ (99.99%)

197Pb

α (10−4%)

193Tl

α (55%)

193Tl

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

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

198.977672(13)

27(1) min

β+

199Pb

9/2−

β+ (98%)

199Pb

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

199.978132(26)

36.4(5) min

β+

200Pb

7+

EC (90%)

200Pb

IT (10%)

200Bi

200m2Bi

428.20(10) keV

400(50) ms

(10−)

β+ (99.99%)

201Pb

α (10−4%)

197Tl

EC (92.9%)

201Pb

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−)

β+

202Pb

α (10−5%)

198Tl

202m1Bi

615(7) keV

3.04(6) µs

(10#)−

202m2Bi

2607.1(5) keV

310(50) ns

(17+)

β+

203Pb

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

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

204.977389(8)

15.31(4) d

β+

205Pb

9/2−

206Bi

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

206.9784707(26)

32.9(14) y

β+

207Pb

9/2−

207mBi

2101.49(16) keV

182(6) µs

21/2+

208Bi

207.9797422(25)

3.68(4)×105 y

β+

208Pb

(5)+

208mBi

1571.1(4) keV

2.58(4) ms

IT

208Bi

(10)−

209Bi

208.9803987(16)

2.01×1019 y

α

205Tl

9/2−

1.0000

β-

210Po

α (1.32×10−4%)

206Tl

210mBi

271.31(11) keV

3.04(6)×106 y

α

206Tl

9−

α (99.72%)

207Tl

β- (.276%)

211Po

211mBi

1257(10) keV

1.4(3) µs

(25/2−)

β- (64.05%)

212Po

α (35.94%)

208Tl

β-, α (.014%)

208Pb

α (67%)

208Tl

β- (33%)

212mPo

β-, α (.3%)

208Pb

212m2Bi

2200(200)# keV

7.0(3) min

>15

β- (97.91%)

213Po

α (2.09%)

209Tl

β- (99.97%)

214Po

α (.021%)

210Tl

β-, α (.003%)

210Pb

215Bi

215.001770(16)

7.6(2) min

β-

215Po

(9/2−)

痕量

215mBi

1347.5(25) keV

36.4(25) min

(25/2−)

216Bi

216.006306(12)

2.17(5) min

β-

216Po

1−#

217Bi

217.009372(19)

98.5(8) s

β−

217Po

9/2−#

217mBi

1480(40) keV

2.70(6) μs

IT

217Bi

25/2−#

218Bi

218.014188(29)

33(1) s

β−

218Po

(6-, 7-, 8-)

219Bi

219.017480(210)#

8.7(29) s

β−

219Po

9/2-#

220Bi

220.022350(320)#

9.5(57) s

β−

220Po

1-#

## 參考文獻

- Isotope masses from Ame2003 Atomic Mass Evaluation by G. Audi, A.H. Wapstra, C. Thibault, J. Blachot and O. Bersillon in Nuclear Physics A729 (2003).
- Half-life, spin, and isomer data selected from these sources. Editing notes on this article's talk page.
- Audi, Bersillon, Blachot, Wapstra. The Nubase2003 evaluation of nuclear and decay properties , Nuc. Phys. A 729, pp. 3-128 (2003).
- National Nuclear Data Center, Brookhaven National Laboratory. Information extracted from the NuDat 2.1 database (retrieved Sept. 2005).
- David R. Lide (ed.), Norman E. Holden in CRC Handbook of Chemistry and Physics, 85th Edition, online version. CRC Press. Boca Raton, Florida (2005). Section 11, Table of the Isotopes.

## 基本資料

- infobox_name：bismuth
- 貨幣符號：Bi
- 日語原文：鉍
- standard atomic weight：208.98040(1)