Das Periodensystem der Elemente online
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Nuklide nach Selektion gefunden: 27
Nuklid
Level
(MeV)
Atommasse (u)
Spin
% nat.
Halbwertszeit
Zerfall
%
156
Ce
58
0
155.95126
0
150 Millisekunden (ms)
β
-
>0%
nβ
-
>0%
156
Pr
59
0
155.94427
+3
500 Millisekunden (ms)
β
-
>0%
nβ
-
>0%
156
Nd
60
0
155.935018
0
5.49 Sekunden
β
-
100%
156m
Nd
60
1.4325
155.936556
-5
135 Nanosekunden (ns)
it
100%
156
Pm
61
0
155.931057
-4
26.7 Sekunden
β
-
100%
156
Sm
62
0
155.925528
0
9 Stunden 24 Minuten
β
-
100%
156m
Sm
62
1.3976
155.927028
-5
185 Nanosekunden (ns)
it
100%
156
Eu
63
0
155.924752
0
15 Tage 4 Stunden
β
-
100%
156
Gd
64
0
155.922123
0
20.47
stabil
156m
Gd
64
2.1376
155.924418
-7
1.3 Mikrosekunden (μs)
it
100%
156
Tb
65
0
155.924747
-3
5 Tage 8 Stunden 23 Minuten
ε
100%
156m
Tb
65
0.0496
155.9248
-7
1 Tage 24 Minuten
it
100%
156m
Tb
65
0.0884
155.924842
0
5 Stunden 18 Minuten
it
100%
156
Dy
66
0
155.924283
0
0.06
1000 Billiarden Jahre
α
100%
156
Ho
67
0
155.92984
-4
56 Minuten
ε
100%
156m
Ho
67
0.0524
155.929896
-1
9.5 Sekunden
it
100%
156m
Ho
67
0.1
155.929947
+9
7 Minuten 48 Sekunden
ε
75%
it
25%
156
Er
68
0
155.931065
0
19 Minuten 30 Sekunden
ε
100%
α
1.7e-5%
156
Tm
69
0
155.93898
-2
1 Minuten 23.8 Sekunden
ε
99.94%
α
0.06%
156m
Tm
69
0.2036
155.939199
-11
400 Nanosekunden (ns)
it
100%
156
Yb
70
0
155.942818
0
26.1 Sekunden
ε
90%
α
10%
156
Lu
71
0
155.953034
-2
494 Millisekunden (ms)
α
95%
ε
5%
156m
Lu
71
0.22
155.95327
+9
198 Millisekunden (ms)
α
100%
156
Hf
72
0
155.959364
0
23 Millisekunden (ms)
α
100%
156m
Hf
72
1.959
155.961467
+8
480 Mikrosekunden (μs)
α
>0%
it
>0%
156
Ta
73
0
155.972304
-2
144 Millisekunden (ms)
p
100%
ε
>0%
156m
Ta
73
0.102
155.972413
+9
360 Millisekunden (ms)
ε
95.8%
p
4.2%