Das Periodensystem der Elemente online
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Nuklide nach Selektion gefunden: 22
Nuklid
Level
(MeV)
Atommasse (u)
Spin
% nat.
Halbwertszeit
Zerfall
%
137
Sn
50
0
136.94599
-7/2
190 Millisekunden (ms)
β
-
42%
nβ
-
58%
137
Sb
51
0
136.93531
+7/2
450 Millisekunden (ms)
β
-
51%
nβ
-
49%
137
Te
52
0
136.925323
-7/2
2.49 Sekunden
β
-
96.01%
nβ
-
2.99%
137
I
53
0
136.917872
+7/2
24.5 Sekunden
β
-
92.86%
nβ
-
7.14%
137
Xe
54
0
136.911563
-7/2
3 Minuten 49.08 Sekunden
β
-
100%
137
Cs
55
0
136.90709
+7/2
30 Jahre 29 Tage
β
-
100%
137
Ba
56
0
136.905828
+3/2
11.232
stabil
137m
Ba
56
0.6617
136.906538
-11/2
2 Minuten 33.12 Sekunden
it
100%
137
La
57
0
136.906494
+7/2
60000 Jahre
ε
100%
137
Ce
58
0
136.907806
+3/2
9 Stunden
ε
100%
137m
Ce
58
0.2543
136.908079
-11/2
1 Tage 10 Stunden 24 Minuten
it
99.21%
ε
0.79%
137
Pr
59
0
136.910706
+5/2
1 Stunden 16 Minuten 48 Sekunden
ε
100%
137m
Pr
59
0.5612
136.911308
-11/2
2.7 Mikrosekunden (μs)
it
100%
137
Nd
60
0
136.914567
+1/2
38 Minuten 30 Sekunden
ε
100%
137m
Nd
60
0.5194
136.915125
-11/2
1.6 Sekunden
it
100%
137
Pm
61
0
136.92048
+5/2
2 Minuten
ε
100%
137m
Pm
61
0.15
136.920641
-11/2
2 Minuten 24 Sekunden
ε
100%
137
Sm
62
0
136.926972
-9/2
45 Sekunden
ε
100%
137m
Sm
62
0.18
136.927165
+1/2
20 Sekunden
ε
50%
it
50%
137
Eu
63
0
136.93557
-11/2
11 Sekunden
ε
100%
137
Gd
64
0
136.94502
+7/2
2.2 Sekunden
ε
>0%
pε
>0%
137
Tb
65
0
136.95598
-11/2
600 Millisekunden (ms)
ε
>0%
pε
>0%
p
>0%