Das Periodensystem der Elemente online
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Nuklide nach Selektion gefunden: 38
Nuklid
Level
(MeV)
Atommasse (u)
Spin
% nat.
Halbwertszeit
Zerfall
%
206
Ac
89
0
206.014505
+3
22 Millisekunden (ms)
α
100%
206m
Ac
89
0.08
206.014591
unbekannt
15 Millisekunden (ms)
α
100%
206m
Ac
89
0.29
206.014816
-10
33 Millisekunden (ms)
α
100%
207
Ac
89
0
207.01195
-9/2
27 Millisekunden (ms)
α
100%
208
Ac
89
0
208.011551
+3
95 Millisekunden (ms)
α
99%
ε
1%
208m
Ac
89
0.506
208.012095
-10
25 Millisekunden (ms)
α
90%
ε
10%
209
Ac
89
0
209.009495
-9/2
100 Millisekunden (ms)
α
99%
ε
1%
210
Ac
89
0
210.009436
+7
350 Millisekunden (ms)
α
91%
ε
9%
211
Ac
89
0
211.007735
-9/2
210 Millisekunden (ms)
α
100%
212
Ac
89
0
212.007814
+6
930 Millisekunden (ms)
α
57%
ε
43%
213
Ac
89
0
213.006607
-9/2
738 Millisekunden (ms)
α
100%
214
Ac
89
0
214.006901
+5
8.2 Sekunden
α
90%
ε
10%
215
Ac
89
0
215.006454
-9/2
170 Millisekunden (ms)
α
99.91%
ε
0.09%
216
Ac
89
0
216.008719
-1
440 Mikrosekunden (μs)
α
100%
216m
Ac
89
0.048
216.008771
-9
441 Mikrosekunden (μs)
α
100%
217
Ac
89
0
217.009347
-9/2
69 Nanosekunden (ns)
α
98%
ε
2%
217m
Ac
89
2.012
217.011507
+29/2
740 Nanosekunden (ns)
α
100%
218
Ac
89
0
218.01164
-1
1.1 Mikrosekunden (μs)
α
100%
218m
Ac
89
0.584
218.012267
+11
103 Nanosekunden (ns)
α
100%
219
Ac
89
0
219.01242
-9/2
11.8 Mikrosekunden (μs)
α
100%
220
Ac
89
0
220.014763
-3
26.4 Millisekunden (ms)
α
100%
ε
5e-4%
221
Ac
89
0
221.015591
-3/2
52 Millisekunden (ms)
α
100%
222
Ac
89
0
222.017844
-1
5 Sekunden
α
99%
ε
1%
222m
Ac
89
0.2
222.018059
unbekannt
1 Minuten 3 Sekunden
α
90%
ε
10%
ε
0.7%
223
Ac
89
0
223.019137
-5/2
2 Minuten 6 Sekunden
α
99%
ε
1%
224
Ac
89
0
224.021723
0
2 Stunden 46 Minuten 48 Sekunden
ε
90.9%
α
9.1%
β
-
>0%
225
Ac
89
0
225.02323
-3/2
10 Tage
α
100%
C-14
5e-10%
226
Ac
89
0
226.026098
+1
1 Tage 5 Stunden 22 Minuten 12 Sekunden
β
-
83%
ε
17%
α
6e-3%
227
Ac
89
0
227.027752
-3/2
99.9186852
21 Jahre 281 Tage
β
-
98.62%
α
1.38%
228
Ac
89
0
228.031021
+3
0.08131475
6 Stunden 9 Minuten
β
-
100%
229
Ac
89
0
229.033015
+3/2
1 Stunden 2 Minuten 42 Sekunden
β
-
100%
230
Ac
89
0
230.036293
+1
2 Minuten 2 Sekunden
β
-
100%
α
1.2e-6%
231
Ac
89
0
231.038558
+1/2
7 Minuten 30 Sekunden
β
-
100%
232
Ac
89
0
232.042027
+1
1 Minuten 59 Sekunden
β
-
100%
233
Ac
89
0
233.04455
+1/2
2 Minuten 25 Sekunden
β
-
100%
234
Ac
89
0
234.04842
+1
44 Sekunden
β
-
100%
235
Ac
89
0
235.051232
+1/2
1 Minuten
β
-
100%
236
Ac
89
0
236.055296
-1
2 Minuten
β
-
100%