Liste der Isotope/Ordnungszahl 81 bis Ordnungszahl 90

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Liste der Isotope ist die Übersichtsseite, um komfortabel auf alle Elemente zugreifen zu können. Dort wird auch der Aufbau erklärt und die Legende zur Tabelle ist auch dort zu finden. Zerfallsenergien wurden mit den angegebenen Massen und dem Masse-Energie-Äquivalent von neu berechnet.[1]

81 Thallium

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Iso­top Halbwerts­zeit Zerfallsenergie
(MeV) 		Spin /
Parität 		Zerfallsart(en)
(%) 		NH
(%) 		Masse
(u)
179Tl 0,16 s 6,86 α ≈ 100 180,438556
179m1Tl 1,4 ms 6,86 (9/2−) α ≈ 100 180,438556
180Tl 0,70 s 6,82 (α), 11,1 (εβ+) α = ?, εβ+ = ?, εSF ≈ 1,0·10−4 181,447221
181Tl 3,2 s 8,5 (1/2+) εβ+ > 0 182,455885
181m1Tl 1,40 ms (9/2−) IT = 99,60, α = 0,40 182,455885
182Tl 3,1 s 10,1 (εβ+), 6,55 (α) (7+) εβ+ > 96, α < 4 183,464550
183Tl 6,9 s 7,6 (1/2+) εβ+ > 0 184,473215
183m1Tl 53,3 ms 0,550 (IT), 6,85 (α) (9/2−) IT > 99,990, α < 0,010 184,473215
183m2Tl 1,48 µs (13/2+) IT 184,473215
184Tl 11 s 9,2 (εβ+), 6,30 (α) 2+ εβ+ = 97,9, α = 2,1 185,481880
185Tl 19,5 s 6,6 (1/2+) εβ+ = ? 186,490545
185m1Tl 1,83 s 0,454 (IT), 6,554 (α) (9/2−) IT = ?, α = ? 186,490545
186Tl 27,5 s 8,5 (εβ+), 5,89 (α) (7+) εβ+ ≈ 100, α ≈ 0,006 187,49921
186m1Tl 2,9 s 0,374 (10−) IT 187,49921
187Tl 51 s 5,9 (εβ+), 5,539 (α) (1/2+) εβ+ = ?, α = ? 188,507875
187m1Tl 15,60 s 0,335 (IT), 6,235 (εβ+), 5,874 (α) (9/2−) IT = ?, εβ+ = ?, α = ? 188,507875
188Tl 71 s 7,8 (2−) εβ+ 189,51654
188m1Tl 71 s 7,8 (7+) εβ+ 189,51654
188m2Tl 41 ms (9−) IT 189,51654
189Tl 2,3 min 5,18 (1/2+) εβ+ 190,525205
189m1Tl 1,4 min 5,461 (εβ+), 0,281 (IT) (9/2−) εβ+ ≈ 100, IT < 4 190,525205
190Tl 2,6 min 7,0 (2)− εβ+ 191,53370
190m1Tl 3,7 min 7,0 (7+) εβ+ 191,53370
191Tl 4,49 (1/2+) εβ+ = ? 192,542535
191m1Tl 5,22 min 4,789 9/2(−) εβ+ 192,542535
192Tl 9,6 min 6,12 (2−) εβ+ 193,5512
192m1Tl 10,8 min 6,12 (7+) εβ+ 193,5512
193Tl 21,6 min 3,64 1/2+ εβ+ 194,559864
193m1Tl 2,11 min 0,365 (IT), 4,005 (εβ+) 9/2− IT = 75, εβ+ = 25 194,559864
194Tl 33,0 min 5,28 (εβ+), 3,49 (α) 2− εβ+ ≈ 100, α < 1·10−7 195,568529
194m1Tl 32,8 min 5,28 (7+) εβ+ 195,568529
195Tl 1,16 h 2,81 1/2+ εβ+ 196,577194
195m1Tl 3,6 s 0,483 9/2− IT 196,577194
196Tl 1,84 h 4,38 2− εβ+ 197,585859
196m1Tl 1,41 h 4,774 (εβ+) 0,394 (IT) (7+) εβ+ = 95,5, IT = 4,5 197,585859
197Tl 2,84 h 2,18 1/2+ εβ+ 198,594524
197m1Tl 0,54 s 0,608 9/2− IT 198,594524
198Tl 5,3 h 3,46 2− εβ+ 199,603189
198m1Tl 1,87 h 4,004 (εβ+), 0,544 (IT) 7+ εβ+ = 54, IT = 46 199,603189
198m2Tl 32,1 ms 0,742 (10−) IT 199,603189
199Tl 7,42 h 1,44 1/2+ εβ+ 200,611854
199m1Tl 28,4 ms 0,75 9/2− IT 200,611854
200Tl 26,1 h 2,456 2− εβ+ 201,620519
200m1Tl 34,3 ms 0,754 7+ IT 201,620519
201Tl 72,912 h 0,483 1/2+ ε 202,629184
201m1Tl 2,035 ms 0,92 (9/2−) IT 202,629184
202Tl 12,23 d 1,365 2− εβ+ 203,637849
202m1Tl 572 µs 7+ 203,637849
203Tl stabil α 1/2+ 029,524 204,646514
204Tl 3,78 a 0,764 (β−), 0,347 (ε) 2− β− = 97,10, ε = 2,90 205,655179
205Tl stabil α 1/2+ 070,476 206,663844
206Tl 4,199 min 1,533 0− β− 207,672508
206m1Tl 3,74 min 2,643 (12−) IT 207,672508
207Tl 4,77 min 1,423 1/2+ β− 208,681173
207m1Tl 1,33 s 1,348 11/2− IT = 100, β− < 0,1 208,681173
208Tl 3,053 min 5,001 5(+) β− 209,689838
209Tl 2,20 min 3,98 (1/2+) β− 210,698503
210Tl 1,30 min 5,484 (β−), 0,299 (β−n) (5+) β− ≈ 100, β−n = 0,007 211,707168

82 Blei

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Iso­top Halbwerts­zeit Zerfallsenergie
(MeV) 		Spin /
Parität 		Zerfallsart(en)
(%) 		NH
(%) 		Masse
(u)
181Pb 45 ms 7,379 (α), 9,3 (εβ+) (13/2+) α ≈ 98, εβ+ ≈ 2 180,99665
182Pb 55 ms 7,076 0+ α <= 100 181,992673
183Pb 300 ms 7,03 (α), 8,7 (εβ+) (1/2−) α ≈ 94, εβ+ ≈ 6 182,99187
184Pb 0,55 s 6,775 (α), 6,0 (εβ+) 0+ α = ?, εβ+ = ? 183,988136
185Pb 4,1 s 6,68 α < 100 184,987610
186Pb 4,83 s 6,471 (α) 0+ α = 54, εβ+ = 46 185,984238
187Pb 18,3 s 7,2 (εβ+), 6,395 (α) (13/2+) εβ+ = 98,0, α = 2,0 186,983911
187m1Pb 15,2 s 7,2 (εβ+), 6,395 (α) εβ+ = ?, α = ? 186,983911
188Pb 24 s 4,8 (εβ+), 6,111 (α) 0+ εβ+ = 91,5, α = 8,5 187,980875
189Pb 51 s 6,7 (εβ+), 5,85 (α) εβ+ > 99, α ≈ 0,4 188,980844
190Pb 1,2 min 4,1 (εβ+), 5,698 (α) 0+ εβ+ = 99,79, α = 0,21 189,978082
191Pb 1,33 min 5,9 (εβ+), 5,41 (α) (3/2−) εβ+ = 99,987, α = 0,013 190,97828
191m1Pb 2,18 min 6,038 (εβ+), 5,548 (α) (13/2+) εβ+ ≈ 100, α ≈ 0,02 190,97828
192Pb 3,5 min 3,4 (εβ+), 5,221 (α) 0+ εβ+ = 99,9941, α = 0,0059 191,975785
193Pb 2 min (3/2−) εβ+ = ? 192,97617
193m1Pb 5,8 min 5,2 (13/2+) εβ+ 192,97617
194Pb 12,0 min 2,7 (εβ+), 4,738 (α) 0+ εβ+ ≈ 100, α = 7,3·10−6 193,974012
195Pb 15 min 4,5 3/2− εβ+ 194,974549
195m1Pb 15,0 min 4,701 13/2+ εβ+ 194,974549
196Pb 37 min 2,05 (εβ+), 4,2 (α) 0+ εβ+ ≈ 100, α < 3·10−5 195,972787
197Pb 8 min 3,58 3/2− εβ+ 196,973435
197m1Pb 43 min 3,889 (εβ+), 0,319 (IT) 13/2+ εβ+ = 81, IT = 19 196,973435
198Pb 2,40 h 1,41 0+ εβ+ 197,972015
199Pb 90 min 2,88 3/2− εβ+ 198,972913
199m1Pb 12,2 min 0,425 (IT), 3,305 (εβ+) 13/2+ IT = 93, εβ+ = 7 198,97291
200Pb 21,5 h 0,811 0+ ε 199,971818
201Pb 9,33 h 1,90 5/2− εβ+ 200,97287
201m1Pb 61 s 0,629 (IT), 2,529 (εβ+) 13/2+ IT > 99, εβ+ < 1 200,97287
202Pb 5,25·104 a 0,05 (ε), 2,598 (α) 0+ ε = 100, α < 1 201,972152
202m1Pb 3,53 h 2,17 (IT), 2,22 (εβ+) 9− IT = 90,5, εβ+ = 9,5 201,972152
203Pb 51,873 h 0,975 5/2− ε 202,973391
203m1Pb 6,3 s 0,825 13/2+ IT 202,973391
203m2Pb 0,48 s 2,949 29/2− IT 202,973391
203m3PB 202,973391
204Pb >1,4·1017 a 0+ 001,4 203,973044
204m1Pb 67,2 min 2,186 9− IT 203,973044
205Pb 1,53·107 a 0,051 5/2− ε 204,9744816
205m1Pb 5,54 ms 1,014 13/2+ IT 204,9744816
206Pb stabil α 0+ 024,1 205,974466
207Pb stabil α 1/2− 022,1 206,975897
207m1Pb 0,805 s 1,633 13/2+ IT 206,975897
208Pb stabil α 0+ 052,4 207,976653
209Pb 3,253 h 0,644 9/2+ β− 208,98040
210Pb 22,3 a 0,064 (β−), 3,792 (α) 0+ β− ≈ 100, α = 1,9·10−6 209,9841883
211Pb 36,1 min 1,373 9/2+ β− 210,9887354
212Pb 10,64 h 0,574 0+ β− 211,991896
213Pb 10,2 min 2,070 (9/2+) β− 212,996561
214Pb 26,8 min 1,024 0+ β− 213,9998038
215Pb 36 s (5/2+) β− 215,00466

83 Bismut

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Iso­top Halbwerts­zeit Zerfallsenergie
(MeV) 		Spin /
Parität 		Zerfallsart(en)
(%) 		NH
(%) 		Masse
(u)
184mBi 13 ms ? α ≈ 100
185Bi 58 µs 1/2+ p ≈ 90, α ≈ 10
186Bi 14,8 ms (3+) α ≈ 100
186m1Bi 9,8 ms (10−) α ≈ 100
187Bi 35 ms 7,69 (9/2−) α > 50
187m1Bi 370 µs 7,75 (1/2+) α ≈ 100
188Bi 265 ms 7,27 (10-) α ≈ 100
188m1Bi 60 ms (3+) α ≈ 100
189Bi 674 ms 7,27 (α), 8,0 (εβ+) (9/2−) α > 50, εβ+ < 50
189m1Bi 5 ms 7,362 (α), 8,092 (εβ+) (1/2+) α > 50, εβ+ < 50
190Bi 6,3 s 6,862 (α), 9,6 (εβ+) (3+) α = 90, εβ+ = 10
190m1Bi 6,2 s 6,862 (α), 9,6 (εβ+) (10−) α = 70, εβ+ = 30
191Bi 12,4 s 6,781 (α), 7,3 (εβ+) (9/2−) α = 51, εβ+ = 49
191m1Bi 125 ms 7,023 (α) (1/2+) α = 68, IT = 32
192Bi 34,6 s 9,0 (εβ+), 6,376 (α) (3+) εβ+ = 88, α = 12
192m1Bi 39,6 s 9,105 (εβ+), 6,481 (α) (10−) εβ+ = 90, α = 10
193Bi 63,6 s 6,5 (εβ+), 6,305 (α) (9/2−) εβ+ = 96,5, α = 3,5
193m1Bi 3,2 s 6,612 (α), 6,807 (εβ+) (1/2+) α = 84, εβ+ = 16
194Bi 95 s 8,2 (εβ+), 5,918 (α) (3+) εβ+ = 99,54, α = 0,46
194m1Bi 115 s 8,2 (εβ+), 5,918 (α) (10−) εβ+ = 99,80, α = 0,20
194m2Bi 125 s 8,2 (εβ+), 5,918 (α) (6+,7+) εβ+ = 100
195Bi 183 s 5,9 (εβ+), 5,833 (α) (9/2−) εβ+ = 99,97, α = 0,03
195m1Bi 87 s 6,301 (εβ+), 6,234 (α) (1/2+) εβ+ = 67, α = 33
196Bi 308 s 7,36 (εβ+), 5,46 (α) (3+) εβ+ ≈ 100, α = 0,001
196m1Bi 0,6 s (7+) εβ+, IT
196m2Bi 240 s 7,629 (εβ+), 0,269 (IT) (10−) εβ+ = 74,2, IT = 25,8, α = 0,00038
197Bi 9,33 min 5,2 (εβ+), 5,39 (α) (9/2−) εβ+ ≈ 100, α = 1·10−4
197m1Bi 5,04 min 5,89 (α), 5,7 (εβ+), 0,50 (IT) (1/2+) α = 55, εβ+ = 45, IT < 0,3
198Bi 10,3 min 6,56 (2+, 3+) εβ+
198m1Bi 11,6 min 6,56 (7+) εβ+
198m2Bi 7,7 s 0,249 (10−) IT
199Bi 27 min 4,34 9/2− εβ+
199m1Bi 24,70 min 5,02 (εβ+), 5,64 (α) (1/2+) εβ+ ≈ 99, α ≈ 1
200Bi 36,4 min 5,89 7+ εβ+
200m1Bi 31 min 5,89 (εβ+), 0,0 (IT) (2+) εβ+ > 90, IT < 10
200m2Bi 0,40 s 0,428 (10−) IT
201Bi 108 min 3,84 (εβ+), 4,5 (α) 9/2− εβ+ ≈ 100, α < 1·10−4
201m1Bi 59,1 min 4,686 (ε), 5,346 (IT), 5,346 (α) 1/2+ ε > 93, IT < 6,8, α ≈ 0,3
202Bi 1,72 h 5,15 (εβ+), 4,29 (α) 5+ εβ+ ≈ 100, α < 1·10−5
203Bi 11,76 h 3,253 (εβ+), 4,15 (α) 9/2− εβ+ ≈ 100, α ≈ 1·10−5
203m1Bi 303 ms 1,098 1/2+ IT
204Bi 11,22 h 4,438 6+ εβ+
204m1Bi 13,0 ms 0,805 10− IT
204m2Bi 1,07 ms 2,833 (17+) IT
205Bi 15,31 d 2,708 9/2− εβ+
206Bi 6,243 d 3,758 6(+) εβ+
207Bi 31,55 a 2,399 9/2− εβ+
208Bi 3.68e5 a 2,880 (5)+ εβ+
208m1Bi 2,58 ms 1,571 (10)− IT
209Bi 1.9e19 a 3,137 9/2− α 100
210Bi 5,013 d 1,163 (β−), 5,037 (α) 1− β− ≈ 100
210m1Bi 3.04e6 a 5,308 9− α
211Bi 2,14 min 6,751 (α), 0,579 (β−) 9/2− α = 99,724, β− = 0,276
212Bi 60,55 min 2,254 (β−), 6,207 (α), 11,208 (β−+α) 1(−) β− = 64,06, α = 35,94
212m1Bi 25,0 min 6,457 (α), 2,504 (β−) (9−) α = 67, β− = 33, β−α = 30
212m2Bi 7,0 min 4,164 β− ≈ 100
213Bi 45,59 min 1,464 (β−), 5,982 (α) 9/2− β− = 97,91, α = 2,09
214Bi 19,9 min 3,272 (β−), 5,617 (α) 1− β− = 99,979, α = 0,021
215Bi 7,6 min 2,25 β−
216Bi 3,6 min 4,0 (1−) β− ≈ 100
217Bi 97 s (9/2−) β−

84 Polonium

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Iso­top Halbwerts­zeit Zerfallsenergie
(MeV) 		Spin /
Parität 		Zerfallsart(en)
(%) 		Masse
(u)
190Po 2,0 ms 7,643 (α) 0+ α = 99,9, εβ+ = 0,1
191Po 15,5 ms 7,471 α = ?
192Po 0,0332 s 7,32 (α), 5,7 (εβ+) 0+ α ≈ 99, εβ+ ≈ 1
193Po 0,42 s 7,10 (3/2−) α = ?
193m1Po 0,24 s (13/2+) α = ?
194Po 0,392 s 6,987 0+ α = 93
195Po 4,64 s 6,75 (α), 6,8 (εβ+) (3/2−) α = 75, εβ+ = 25
195m1Po 1,92 s 6,98 (α), 7,03 (εβ+), 0,23 (IT) (13/2+) α ≈ 90, εβ+ ≈ 10, IT < 0,01
196Po 5,8 s 6,657 (α), 4,6 (εβ+) 0+ α ≈ 98, εβ+ ≈ 2
197Po 53,6 s 6,2 (εβ+), 6,41 (α) (3/2−) εβ+ = 56, α = 44
197m1Po 25,8 s 6,614 (α), 6,614 (εβ+), 0,204 (IT) (13/2+) α = 84, εβ+ = 16, IT = 0,01
198Po 1,77 min 6,309 (α), 4,02 (εβ+) 0+ α = 57, εβ+ = 43
199Po 5,48 min 5,6 (εβ+), 6,074 (α) 3/2− εβ+ = 88, α = 12
199m1Po 4,13 min 5,91 (εβ+), 6,384 (α), 0,310 (IT) 13/2+ εβ+ = 59, α = 39 , IT = 2,1
200Po 11,5 min 3,35 (εβ+), 5,982 (α) 0+ εβ+ = 88,9, α = 11,1
201Po 15,3 min 4,88 (εβ+), 5,799 (α) 3/2− εβ+ = 98,4, α = 1,6
201m1Po 8,9 min 0,424 (IT), 5,304 (εβ+), 6,223 (α) 13/2+ IT = 56, ε = 41, α ≈ 2,9
202Po 44,7 min 2,82 (εβ+), 5,701 (α) 0+ εβ+ = 98,08, α = 1,92
202m1Po 85 ns 8+
202m2Po 200 ns 11−
202m3Po 19 ns 12+
202m4Po 11 ns (15−)
203Po 36,7 min 4,23 (εβ+), 5,496 (α) 5/2− εβ+ = 99,89, α = 0,11
203m1Po 45 s 0,641 (IT), 6,137 (α) 13/2+ IT ≈ 100, α ≈ 0,04
204Po 3,53 h 2,34 (εβ+), 5,485 (α) 0+ εβ+ = 99,34, α = 0,66
205Po 1,66 h 3,53 (εβ+), 5,324 (α) 5/2− εβ+ = 99,96, α = 0,04
205m1Po 58 ms 19/2− IT
206Po 8,8 d 1,846 (εβ+), 5,326 (α) 0+ εβ+ = 94,55, α = 5,45
207Po 5,80 h 2,909 (εβ+), 5,216 (α) 5/2− εβ+ = 99,979, α = 0,021
207m1Po 2,8 s 1,383 19/2− IT
208Po 2,898 a 5,215 (α), 1,401 (εβ+) 0+ α = 99,9958, εβ+ = 0,0042
209Po 102 a 4,879 (α), 1,893 (εβ+) 1/2− α = 99,52, εβ+ = 0,48
210Po 138,376 d 5,307 0+ α
211Po 0,516 s 7,595 9/2+ α
211m1Po 25,2 s 9,057 (α), 1,462 (IT) (25/2+) α = 99,984, IT = 0,016
212Po 0,299 µs 0+ α
212m1Po 45,1 s (18+) α = 99,93, IT = 0,07
213Po 4,2 µs 8,537 9/2+ α
214Po 164,3 µs 7,833 0+ α
214m1Po 99 ps 1,416 (IT), 9,248 (α) 0+ IT = 0,14, α = 99,86
215Po 1,781 ms 7,526 (α), 0,721 (β−) 9/2+ α ≈ 100, β− = 2,3·10−4
216Po 0,145 s 6,906 0+ α
217Po 10 s α > 95, β− < 5
218Po 3,10 min 6,115 (α), 0,265 (β−) 0+ α = 99,980 , β− = 0,020

85 Astat

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Iso­top Halbwerts­zeit Zerfallsenergie
(MeV) 		Spin /
Parität 		Zerfallsart(en)
(%) 		Masse
(u)
190At 1ms (+1,4ms / −0,4ms) α = 7750(20) keV
193At 40 ms α = ?
194At 40 ms 7,31 α = ?
194m1At 250 ms α = ?
195At 0,63 s 7,4 (α), 8,0 (εβ+) α > 75, εβ+ < 25
196At 0,253 s 7,2 α ≈ 100
197At 0,35 s 7,1 (α), 7,2 (εβ+) (9/2−) α = 96, εβ+ = 4
197m1At 3,7 s 7,152 (α), 7,252 (εβ+) (1/2+) α = ?, εβ+ = ?
198At 4,2 s 6,893 (α), 8,8 (εβ+) (3+) α = 90, εβ+ = 10
198m1At 1,0 s 6,995 (α), 8,902 (εβ+) (10−) α = 84, εβ+ = 16
199At 7,2 s 6,78 (α), 6,6 (εβ+) (9/2−) α = 90, εβ+ = 10
200At 43 s 6,596 (α), 7,97 (εβ+) (3+) α = 57, εβ+ = 43
200m1At 47 s 8,074 (εβ+), 6,70 (α) (7+) εβ+ < 57, α = 43
200m2At 3,5 s 0,335 (IT), 6,931 (α), 8,305 (εβ+) (10−) IT ≈ 85, α ≈ 10,5, ε ≈ 4,5
201At 89 s 6,473 (εβ+), 5,85 (α) (9/2−) α = 71, εβ+ = 29
202At 184 s 7,21 (εβ+), 6,354 (α) (2,3)+ εβ+ = 82, α = 18
202m1At 182 s 7,21 (εβ+), 6,354 (α) (7+) εβ+ = 91,3, α = 8,7
202m2At 0,46 s 0,392 (IT), 7,602 (α), 6,746 (εβ+) (10−) IT = 99,65, εβ+ = 0,25, α = 0,096
203At 7,4 min 5,06 (εβ+), 6,21 (α) 9/2− εβ+ = 69, α = 31
204At 9,2 min 6,48 (εβ+), 6,07 (α) 7+ εβ+ = 96,2 , α = 3,8
204m1At 108 ms 0,587 (10−) IT
205At 26,2 min 4,54 (εβ+), 6,02 (α) 9/2− εβ+ = 90, α = 10
206At 30,0 min 5,72 (εβ+), 5,888 (α) (5)+ εβ+ = 99,11, α = 0,89
207At 1,80 h 3,91 (εβ+), 5,873 (α) 9/2− εβ+ = 91,4, α = 8,6
208At 1,63 h 4,973 (εβ+), 5,751 (α) 6+ εβ+ = 99,45, α = 0,55
209At 5,41 h 3,486 (εβ+), 5,757 (α) 9/2− εβ+ = 95,9, α = 4,1
210At 8,1 h 3,981 (εβ+), 5,631 (α) (5)+ εβ+ = 99,825, α = 0,175
211At 7,214 h 0,786 (εβ+), 5,982 (α) 9/2− ε = 58,2, α = 41,8
212At 0,314 s 7,829 (α), 1,754 (εβ+), 0,043 (β−) (1−) α ≈ 100, εβ+ < 0,03, β− < 2·10−6
212m1At 0,119 s 8,051 (α), 0,222 (IT) (9−) α > 99, IT < 1
213At 125 ns 9,254 9/2− α
214At 558 ns 8,987 1− α
214m1At 265 ns 9,046 α < 100
214m2At 760 ns 9,218 9− α <= 100
215At 0,10 ms 8,178 9/2− α
216At 0,30 ms 7,949 (α), 0,469 (ε), 2,003 (β−) 1− α ≈ 100, ε < 3·10−7, β− < 6·10−3
216m1At 0,1 ms 8,362 (9−) α <= 100
217At 32,3 ms 5,982 (α), 0,786 (εβ+) 9/2− α = 99,988, β− = 0,012
218At 1,5 s 6,874 (α), 2,883 (εβ+) α = 99,9, β− = 0,1
219At 56 s 6,39 (α), 1,70 (εβ+) α ≈ 97, β− ≈ 3
220At 3,71 min 3,65 (εβ+), 6,05 (α) 3 α = 8, β− = 92
221At 2,3 min β−
222At 54 s 4,4 β−
223At 50 s β− ≈ 100, α = 0,008

86 Radon

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Isotop Halbwerts­zeit Zerfalls­energie
(MeV) 		Spin /
Parität 		Zerfallsart(en)
(%) 		Masse
(u)
196Rn 3 ms 0+ α ≈ 100
197Rn 65 ms (3/2−) α ≈ 100
197m1Rn 19 ms (13/2+) α
198Rn 64 ms 7,345 (α), 5,6 (εβ+) 0+ α ≈ 100, εβ+ ≈ 0
199Rn 0,62 s 7,14 (α), 7,2 (εβ+) (3/2−) α = 94, εβ+ = 6
199m1Rn 0,32 s (13/2+) α = 97, εβ+ = 3
200Rn 0,96 s 7,043 (α), 5,0 (εβ+) 0+ α = 86, εβ+ < 18
201Rn 7,0 s 6,86 (α), 6,6 (εβ+) (3/2−) α ≈ 80, εβ+ ≈ 20
201m1Rn 3,8 s 7,14 (α), 6,88 (εβ+), 0,28 (IT) (13/2+) α ≈ 90, εβ+ ≈ 10, IT ≈ 0
202Rn 10,0 s 6,774 (α), 4,44 (εβ+) 0+ α = 86, εβ+ = 14
203Rn 45 s 6,63 (α), 6,0 (εβ+) (3/2, 5/2)− α = 66, εβ+ = 34
203m1Rn 28 s 6,991 (α), 6,361 (εβ+), 0,361 (IT) (13/2+) α ≈ 80, εβ+ ≈ 20, IT < 0,1
204Rn 1,24 min 6,546 (α), 3,82 (εβ+) 0+ α = 73, εβ+ = 27
205Rn 2,8 min 5,24 (εβ+), 6,39 (α) 5/2− εβ+ = 77, α = 23
206Rn 5,67 min 6,384 (α), 3,31 (εβ+) 0+ α = 63, εβ+ = 37
207Rn 9,25 min 4,61 (εβ+), 6,251 (α) 5/2− εβ+ = 79, α = 21
208Rn 24,35 min 6,26 (α), 2,85 (εβ+) 0+ α = 62, εβ+ = 38
209Rn 28,5 min 3,93 (εβ+), 6,155 (α) 5/2− εβ+ = 83, α = 17
210Rn 2,4 h 6,159 (α), 2,374 (εβ+) 0+ α = 96, εβ+ = 4
211Rn 14,6 h 2,892 (εβ+), 5,965 (α) 1/2− ε = 72,6, α = 27,4
212Rn 23,9 min 6,385 0+ α
213Rn 25,0 ms 8,243 (9/2+) α
214Rn 0,27 µs 9,208 0+ α
214m1Rn 0,69 ns 1,443 (IT), 10,651 (α) 6+ IT < 100, α > 0
214m2Rn 6,5 ns 1,625 (IT), 10,833 (α) 8+ IT ≈ 90, α ≈ 10
215Rn 2,30 µs 8,839 9/2+ α
216Rn 45 µs 8,20 0+ α
217Rn 0,54 ms 7,889 9/2+ α
218Rn 35 ms 7,263 0+ α
219Rn 3,96 s 6,945 5/2+ α
220Rn 55,6 s 6,405 0+ α
221Rn 25 min 1,22 (β−), 6,146 (α) 7/2(+) β− = 78, α = 22
222Rn 3,8235 d 5,59 0+ α
223Rn 23,2 min 7/2 β− ≈ 100, α = 0,0004
224Rn 107 min 0,8 0+ β−
225Rn 4,5 min 7/2− β−
226Rn 7,4 min 1,4 0+ β−
227Rn 22,5 s β−
228Rn 65 s 2,2 0+ β−
229Rn 12 s

87 Francium

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Iso­top Halbwerts­zeit Zerfallsenergie
(MeV) 		Spin /
Parität 		Zerfallsart(en)
(%) 		Masse
(u)
200Fr 19 ms (3+) α
200m1Fr 0,57 s (10−) α
201Fr 48 ms 7,54 (α), 7,9 (εβ+) (9/2−) α ≈ 100, εβ+ < 1
202Fr 0,34 s 7,389 (α), 9,4 (εβ+) (3+) α ≈ 97, εβ+ ≈ 3
202m1Fr 0,34 s 7,491 (α), 9,502 (εβ+) (10−) α ≈ 97, εβ+ ≈ 3
203Fr 0,55 s 7,28 (α), 7,2 (εβ+) (9/2−) α ≈ 95, εβ+ ≈ 5
204Fr 1,7 s 7,17 (α), 8,6 (εβ+) (3+) α ≈ 80, εβ+ ≈ 20
204m1Fr 2,6 s 7,211 (7+) α = ?
204m2Fr 1 s 7,486 (α), 0,316 (IT) (10−) α ≈ 100, IT < 1
205Fr 3,85 s 7,06 (α), 6,52 (εβ+) (9/2−) α ≈ 100, εβ+ < 1
206Fr 15,9 s 6,926 (α), 7,75 (εβ+) (5+) α = 84, εβ+ = 16
206m1Fr 6,926 α < 84
206m2Fr 0,7 s 7,576 (α), 0,65 (IT) (10−) α = 0,3, IT = ?
207Fr 14,8 s 6,9 (α), 5,71 (εβ+) 9/2− α = 95, εβ+ = 5
208Fr 59,1 s 6,77 (α), 6,99 (εβ+) 7+ α = 90, εβ+ = 10
209Fr 50,0 s 6,777 (α), 5,16 (εβ+) 9/2− α = 89, εβ+ = 11
210Fr 3,18 min 6,7 (α), 6,262 (εβ+) 6+ α = 60, εβ+ = 40
211Fr 3,10 min 6,66 (α), 4,605 (εβ+) 9/2− α > 80, ε < 20
212Fr 20,0 min 5,117 (εβ+), 6,529 (α) 5+ εβ+ = 57, α = 43
213Fr 34,6 s 6,905 (α), 2,148 (εβ+) 9/2− α ≈ 100, εβ+ = 0,55
214Fr 5,0 ms 8,589 (1−) α
214m1Fr 3,35 ms 8,711 (8−) α
215Fr 86 ns 9,540 9/2− α
215m1Fr 3,5 ns (23/2)−
216Fr 0,70 µs 9,175 (α), 2,729 (ε) (1−) α ≈ 100, ε < 2·10−7
216m1Fr 71 ns 0,086 (23/2)− IT
217Fr 22 µs 8,469 9/2− α
218Fr 1,0 ms 8,014 1− α
218m1Fr 22,0 ms 8,1 (α), 0,086 (IT) α ≈ 100, IT = ?
219Fr 20 ms 7,449 9/2− α
220Fr 27,4 s 6,801 (α), 1,209 (β−) 1+ α ≈ 100, β− = 0,35
221Fr 4,9 min 6,458 (α), 2,033 (β−), 31,292 (14C) 5/2− α ≈ 100, β− = ?, 14C = 8,8·10−11
222Fr 14,2 min 2,033 2− β−
223Fr 21,8 min 1,149 (β−), 5,43 (α) 3/2(−) β− ≈ 100, α = 0,006
224Fr 3,33 min 2,83 1− β−
225Fr 4,0 min 1,866 3/2− β−
226Fr 49 s 3,67 1− β−
227Fr 2,47 min 2,49 1/2+ β−
228Fr 38 s 4,34 2− β−
229Fr 50 s β−
230Fr 19,1 s β−
231Fr 17,5 s β−
232Fr 5 s β−

88 Radium

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Iso­top Halbwerts­zeit Zerfallsenergie
(MeV) 		Spin /
Parität 		Zerfallsart(en)
(%) 		Masse
(u)
202Ra 0,7 ms 0+ α
203Ra 1,0 ms (3/2−) α ≈ 100
203m1Ra 33 ms (13/2+) α ≈ 100
204Ra 59 ms 7,65 0+ α ≈ 100
205Ra 210 ms 7,51 (α), 7,0 (εβ+) (3/2−) α = ?, εβ+ = ?
205m1Ra 170 ms (13/2+) α = ?
206Ra 0,24 s 7,416 0+ α ≈ 100
207Ra 1,3 s 7,27 (α), 6,4 (εβ+) (5/2, 3/2)− α ≈ 90, εβ+ ≈ 10
207m1Ra 55 ms 0,47 (IT), 7,74 (α), 6,87 (εβ+) (13/2+) IT ≈ 85, α ≈ 15, εβ+ ≈ 0,55
208Ra 1,3 s 7,273 (α), 4,33 (εβ+) 0+ α = 95, εβ+ = 5
209Ra 4,6 s 5/2− α ≈ 90, εβ+ ≈ 10
210Ra 3,7 s 7,157 (α), 3,77 (εβ+) 0+ α ≈ 96, εβ+ ≈ 4
211Ra 13 s 7,046 (α), 5,0 (ε) 5/2(−) α > 93, ε < 7
212Ra 13,0 s 6,859 (α), 3,35 (εβ+) 0+ α ≈ 85, εβ+ ≈ 15
213Ra 2,74 min 6,859 (α), 3,88 (εβ+) 1/2− α = 80, εβ+ = 20
213m1Ra 2,1 ms 1,77 (IT), 8,628 (α) IT ≈ 99, α ≈ 1
214Ra 2,46 s 7,273 (α), 1,059 (ε) 0+ α ≈ 100, ε = 0,059
215Ra 1,59 ms 8,864 (9/2+) α
216Ra 182 ns 9,526 (α), 0,308 (ε) 0+ α ≈ 100, ε < 1·10−8
216m1Ra <0,2 ns 1,507 (IT), 11,034 (α) 6+ α = 0,58
216m2Ra 1,24 ns 1,711 (IT), 11,237 (α) 8+ α = 1,86
216m3Ra 0,6 ns 2,026 (IT), 11,552 (α) 10+ α = 0,12
217Ra 1,6 µs 9,161 (9/2+) α
218Ra 25,6 µs 8,546 0+ α
219Ra 10 ms 8,130 (7/2)+ α
220Ra 18 ms 7,595 0+ α
221Ra 28 s 6,886 (α), 32,395 (14C) 5/2+ α ≈ 100, 14C = 1,2·10−10
222Ra 38,0 s 6,681 (α), 33,049 (14C) 0+ α ≈ 100, 14C = 3,0·10−8
223Ra 11,435 d 5,979 (α), 31,828 (14C) 3/2+ α ≈ 100, 14C = 6,4·10−8
224Ra 3,66 d 5,789 (α), 30,535 (14C) 0+ α ≈ 100, 14C = 4,3·10−9
225Ra 14,9 d 0,357 1/2+ β−
226Ra 1602 a 4,871 (α), 28,196 (14C) 0+ α ≈ 100, 14C = 3,2·10−9
227Ra 42,2 min 1,325 3/2+ β−
228Ra 5,75 a 0,046 0+ β−
229Ra 4,0 min 1,76 5/2(+) β−
230Ra 93 min 0,99 0+ β−
231Ra 103 s (7/2−, 1/2+) β−
232Ra 250 s 0+ β−
233Ra 30 s β−
234Ra 30 s 0+ β−

89 Actinium

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Iso­top Halbwerts­zeit Zerfallsenergie
(MeV) 		Spin /
Parität 		Zerfallsart(en)
(%) 		Masse
(u)
206Ac 22 ms (3+) α = ?
206m1Ac 33 ms (10−)
207Ac 22 ms (9/2−) α ≈ 100
208Ac 95 ms (3+) α = ?
208m1Ac 25 ms (10−) α = ?
209Ac 0,10 s 7,73 (α), 7,11 (εβ+) (9/2−) α ≈ 99, εβ+ ≈ 1
210Ac 0,35 s 7,61 (α), 8,2 (εβ+) α ≈ 96, εβ+ ≈ 4
211Ac 0,25 s 7,62 α ≈ 100
212Ac 0,93 s 7,52 (α), 7,48 (εβ+) α ≈ 97, εβ+ ≈ 3
213Ac 0,80 s 7,5 α < 100
214Ac 8,2 s 7,35 (α), 6,34 (ε) α > 89, ε < 11
215Ac 0,17 s 7,75 (α), 3,49 (εβ+) 9/2− α ≈ 100, εβ+ = 0,09
216Ac 0,33 ms 9,243 (1−) α
216m1Ac 0,33 ms 0,037 (IT), 9,28 (α) (9−) IT ≈ 100, α ≤ 2
217Ac 69 ns 9,832 (α), 2,819 (εβ+) 9/2− α ≈ 100, εβ+ < 2
217m1Ac 740 ns (29/2)+
218Ac 1,08 µs 9,38 (1−) α
219Ac 11,8 µs 8,83 (α) 9/2− α ≈ 100, εβ+ ≈ 1·10−6
220Ac 26,4 ms 8,35 (α), 3,48 (εβ+) (3−) α ≈ 100, εβ+ = 5·10−4
221Ac 52 ms 7,78 (3/2−) α
222Ac 5,0 s 7,137 (α), 2,298 (εβ+) 1− α = 99, εβ+ = 1
222m1Ac 63 s 7,137 (α), 0 (IT), 2,298 (εβ+) α > 88, IT < 10, εβ+ < 0,7
223Ac 2,10 min 6,783 (α), 0,586 (ε), 33,064 (14C), 39,473 (15N) (5/2−) α ≈ 100, ε = 1, 14C = 3·10−9, 15N = 2·10−11
224Ac 2,78 h 1,403 (ε), 6,327 (α), 0,232 (β−) 0− ε = 90,9, α = 9,1, β− < 1,6
225Ac 10,0 d 5,935 (α), 30,476 (14C) (3/2−) α ≈ 100, 14C = 6,0·10−10
226Ac 29,37 h 1,117 (β−), 0,64 (ε), 5,563 (α) (1) β− ≈ 83, ε = 17, α = 6·10−3
227Ac 21,773 a 0,045 (β−), 5,042 (α) 3/2− β− ≈ 100, α = 1,380
228Ac 6,15 h 2,127 3+ β−
229Ac 62,7 min 1,1 (3/2+) β−
230Ac 122 s 2,7 (1+) β−
231Ac 7,5 min 2,1 (1/2+) β−
232Ac 119 s 3,7 (1+) β−
233Ac 145 s (1/2+) β−
234Ac 44 s β−

90 Thorium

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Iso­top Halbwerts­zeit Zerfallsenergie
(MeV) 		Spin /
Parität 		Zerfallsart(en)
(%) 		NH
(%) 		Masse
(u)
210Th 9 ms 0+ α ≈ 100
211Th 37 ms α = ?, ε = ?
212Th 30 ms 7,952 (α), 4,76 (εβ+) 0+ α ≈ 100, εβ+ ≈ 0,3
213Th 140 ms 7,84 α < 100
214Th 100 ms 7,826 0+ α
215Th 1,2 s 7,666 (1/2−) α
216Th 0,028 s 8,071 (α), 2,17 (εβ+) 0+ α ≈ 100, εβ+ ≈ 0,01
216m1Th 180 µs 2,028 (IT), 10,099 (α) (8+, 11−) IT ≈ 97, α ≈ 3
217Th 0,252 ms 9,424 (9/2+) α
218Th 109 ns 9,849 0+ α
219Th 1,05 µs 9,51 α ≈ 100, εβ+ ≈ 1·10−7
220Th 9,7 µs 8,953 (α), 0,91 (εβ+) 0+ α ≈ 100, ε = 2·10−7
221Th 1,68 ms 8,628 (7/2+) α
222Th 2,8 ms 8,129 0+ α
223Th 0,60 s 7,567 (5/2)+ α
224Th 1,05 s 7,304 0+ α
225Th 8,72 min 6,922 (α), 0,675 (ε) (3/2)+ α ≈ 90, ε ≈ 10
226Th 30,57 min 6,451 (α), 15,3 (18O) 0+ α ≈ 100, 18O = 9,2·10−11
227Th 18,72 d 0,638 (γ), 6,051 (α) (1/2+) α
228Th 1,9116 a 0,087 (γ), 5,520 (α), 44,722 (20O) 0+ α ≈ 100, 20O = 1,13·10−11
229Th 7917 a 5,168 5/2+ α
230Th 7,538·104 a 0,2 (γ), 4,770 (α), 57,761 (24Ne) 0+ α ≈ 100, 24Ne = 5,6·10−11, SF < 3,8·10−12
231Th 25,52 h 0,085 (γ), 0,389 (β−), 4,213 (α) 5/2+ β− ≈ 100, α ≈ 1·10−8
232Th 1,405·1010 a 4,083 (α), 0,055 (γ), 54,509 (24Ne), 55,964 (26Ne) 0+ α ≈ 100, SF < 1,8·10−9, 24Ne = 2,8·10−10, 26Ne = 2,8·10−10 100
233Th 22,3 min 1,245 1/2+ β−
234Th 24,10 d 0,09 (γ), 0,273 0+ β−
235Th 7,1 min 1,93 (1/2+) β−
236Th 37,5 min 0+ β−
237Th 5,0 min β−

Quellen

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  1. ↑ Datenquelle

Siehe auch Liste der Isotope#Weblinks

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