Das Periodensystem der Elemente online
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Nuklide nach Selektion gefunden: 40
Nuklid
Level
(MeV)
Atommasse (u)
Spin
% nat.
Halbwertszeit
Zerfall
%
129
Ag
47
0
128.94369
+9/2
46 Millisekunden (ms)
β
-
>0%
nβ
-
>0%
129m
Ag
47
0.05
128.943744
-1/2
160 Millisekunden (ms)
β
-
>0%
nβ
-
>0%
130
Cd
48
0
129.933903
0
162 Millisekunden (ms)
β
-
96.5%
nβ
-
3.5%
131
In
49
0
130.926852
+9/2
280 Millisekunden (ms)
β
-
98.5%
nβ
1.5%
131m
In
49
0.302
130.927176
-1/2
350 Millisekunden (ms)
β
-
97.98%
nβ
-
0.02%
it
2%
131m
In
49
3.764
130.930893
+23/2
320 Millisekunden (ms)
β
-
99%
nβ
-
0.03%
it
0.97%
132
Sn
50
0
131.917816
0
39.7 Sekunden
β
-
100%
132m
Sn
50
4.8485
131.923021
+8
2 Mikrosekunden (μs)
it
100%
133
Sb
51
0
132.915252
+7/2
2 Minuten 30 Sekunden
β
-
100%
134
Te
52
0
133.911369
0
41 Minuten 48 Sekunden
β
-
100%
135
I
53
0
134.910049
+7/2
6 Stunden 34 Minuten 48 Sekunden
β
-
100%
136
Xe
54
0
135.907219
0
8.857
2.5 Trilliarden Jahre
2β
-
100%
137
Cs
55
0
136.90709
+7/2
30 Jahre 29 Tage
β
-
100%
138
Ba
56
0
137.905247
0
71.698
stabil
139
La
57
0
138.906353
+7/2
99.9098
stabil
140
Ce
58
0
139.905439
0
88.45
stabil
141
Pr
59
0
140.907653
+5/2
100
stabil
142
Nd
60
0
141.907724
0
27.13
stabil
143
Pm
61
0
142.910933
+5/2
265 Tage
ε
100%
144
Sm
62
0
143.911999
0
3.07
stabil
144m
Sm
62
2.3236
143.914494
+6
880 Nanosekunden (ns)
it
100%
145
Eu
63
0
144.916266
+5/2
5 Tage 22 Stunden 19 Minuten
ε
100%
145m
Eu
63
0.716
144.917034
-11/2
490 Nanosekunden (ns)
it
100%
146
Gd
64
0
145.918311
0
48 Tage 6 Stunden
ε
100%
147
Tb
65
0
146.924045
+1/2
1 Stunden 42 Minuten
ε
100%
147m
Tb
65
0.506
146.924099
-11/2
1 Minuten 49.8 Sekunden
ε
100%
148
Dy
66
0
147.92715
0
3 Minuten 18 Sekunden
ε
100%
149
Ho
67
0
148.933775
-11/2
21.1 Sekunden
ε
100%
149m
Ho
67
0.0488
148.933827
+1/2
56 Sekunden
ε
100%
150
Er
68
0
149.937914
0
18.5 Sekunden
ε
100%
151
Tm
69
0
150.945484
-11/2
4.17 Sekunden
ε
100%
151m
Tm
69
0.1
150.945592
+1/2
6.6 Sekunden
ε
100%
151m
Tm
69
2.6557
150.948335
-27/2
451 Nanosekunden (ns)
it
100%
152
Yb
70
0
151.950289
0
3.04 Sekunden
ε
>0%
pε
>0%
153
Lu
71
0
152.958768
-11/2
900 Millisekunden (ms)
α
70%
ε
30%
153m
Lu
71
0.08
152.958854
+1/2
1 Sekunden
α
100%
153m
Lu
71
2.5025
152.961455
-23/2
115 Tage 17 Stunden
it
100%
153m
Lu
71
2.6329
152.961595
-27/2
15 Mikrosekunden (μs)
it
100%
154
Hf
72
0
153.96486
0
2 Sekunden
ε
100%
α
>0%
155
Ta
73
0
154.974591
-11/2
2.9 Millisekunden (ms)
p
100%