Das Periodensystem der Elemente online
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Nuklide nach Selektion gefunden: 36
Nuklid
Level
(MeV)
Atommasse (u)
Spin
% nat.
Halbwertszeit
Zerfall
%
208
Th
90
0
208.01791
0
1.7 Millisekunden (ms)
α
100%
209
Th
90
0
209.017716
-5/2
3.8 Millisekunden (ms)
α
100%
210
Th
90
0
210.015075
0
9 Millisekunden (ms)
α
99%
ε
1%
211
Th
90
0
211.014928
-5/2
40 Millisekunden (ms)
α
100%
212
Th
90
0
212.01298
0
30 Millisekunden (ms)
α
99.7%
ε
3%
213
Th
90
0
213.013009
-5/2
144 Millisekunden (ms)
α
100%
214
Th
90
0
214.011499
0
100 Millisekunden (ms)
α
100%
215
Th
90
0
215.01173
-1/2
1.2 Sekunden
α
100%
216
Th
90
0
216.011062
0
26 Millisekunden (ms)
α
99.99%
ε
0.01%
216m
Th
90
2.04
216.013252
+8
134 Mikrosekunden (μs)
it
97.2%
α
2.8%
216m
Th
90
2.637
216.013893
-11
615 Nanosekunden (ns)
it
100%
217
Th
90
0
217.013114
+9/2
241 Mikrosekunden (μs)
α
100%
217m
Th
90
0.6738
217.013838
-15/2
141 Nanosekunden (ns)
it
100%
218
Th
90
0
218.013284
0
117 Nanosekunden (ns)
α
100%
219
Th
90
0
219.015537
+9/2
1.1 Mikrosekunden (μs)
α
100%
220
Th
90
0
220.015748
0
9.7 Mikrosekunden (μs)
α
100%
ε
2e-7%
221
Th
90
0
221.018183
+7/2
1.7 Millisekunden (ms)
α
100%
222
Th
90
0
222.018468
0
223.7 Mikrosekunden (μs)
α
100%
223
Th
90
0
223.020811
+5/2
600 Millisekunden (ms)
α
100%
224
Th
90
0
224.021467
0
810 Millisekunden (ms)
α
100%
225
Th
90
0
225.023951
+3/2
8 Minuten 43.2 Sekunden
α
90%
ε
10%
226
Th
90
0
226.024903
0
30 Minuten 34.2 Sekunden
α
100%
227
Th
90
0
227.027704
+1/2
18 Tage 16 Stunden
α
100%
228
Th
90
0
228.028741
0
1 Jahre 332 Tage
α
100%
O-20
1e-11%
229
Th
90
0
229.031762
+5/2
7880 Jahre
α
100%
229m
Th
90
0.0076
229.03177
+3/2
2 Tage 22 Stunden
it
100%
230
Th
90
0
230.033133
0
75400 Jahre
α
100%
Ne-24
6e-11%
f
4e-12%
231
Th
90
0
231.036304
+5/2
1 Tage 1 Stunden 31 Minuten 12 Sekunden
β
-
100%
α
4e-11%
232
Th
90
0
232.038055
0
100
14.05 Milliarden Jahre
α
100%
f
1.1e-9%
233
Th
90
0
233.041582
+1/2
21 Minuten 49.8 Sekunden
β
-
100%
233m
Th
90
1.85
233.043568
unbekannt
50 Nanosekunden (ns)
it
100%
234
Th
90
0
234.043601
0
24 Tage 2 Stunden
β
-
100%
235
Th
90
0
235.04751
+1/2
7 Minuten 12 Sekunden
β
-
100%
236
Th
90
0
236.04987
0
37 Minuten 18 Sekunden
β
-
100%
237
Th
90
0
237.053894
+5/2
4 Minuten 42 Sekunden
β
-
100%
238
Th
90
0
238.056495
0
9 Minuten 24 Sekunden
β
-
100%