Das Periodensystem der Elemente online
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Nuklide nach Selektion gefunden: 50
Nuklid
Level
(MeV)
Atommasse (u)
Spin
% nat.
Halbwertszeit
Zerfall
%
128
Sm
62
0
127.95808
0
500 Millisekunden (ms)
ε
>0%
pε
>0%
129
Sm
62
0
128.95464
+5/2
550 Millisekunden (ms)
ε
>0%
pε
>0%
130
Sm
62
0
129.94892
0
1 Sekunden
ε
>0%
pε
>0%
131
Sm
62
0
130.94611
+5/2
1.2 Sekunden
ε
>0%
pε
>0%
132
Sm
62
0
131.94069
0
4 Sekunden
ε
>0%
pε
>0%
133
Sm
62
0
132.938669
+5/2
4 Sekunden
ε
>0%
pε
>0%
134
Sm
62
0
133.93397
0
9.5 Sekunden
ε
100%
135
Sm
62
0
134.93252
+7/2
10.3 Sekunden
ε
99.98%
pε
0.02%
135m
Sm
62
0.3
134.932842
+3/2
2.4 Sekunden
ε
20%
it
80%
136
Sm
62
0
135.928276
0
47 Sekunden
ε
100%
136m
Sm
62
2.2647
135.930707
-8
15 Mikrosekunden (μs)
it
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%
138
Sm
62
0
137.923244
0
3 Minuten 6 Sekunden
ε
100%
139
Sm
62
0
138.922297
+1/2
2 Minuten 34.2 Sekunden
ε
100%
139m
Sm
62
0.4574
138.922788
-11/2
10.7 Sekunden
it
93.7%
ε
6.3%
140
Sm
62
0
139.918996
0
14 Minuten 49.2 Sekunden
ε
100%
141
Sm
62
0
140.918476
+1/2
10 Minuten 12 Sekunden
ε
100%
141m
Sm
62
0.176
140.918665
-11/2
22 Minuten 36 Sekunden
ε
99.69%
it
0.31%
142
Sm
62
0
141.915198
0
1 Stunden 12 Minuten 29.4 Sekunden
ε
100%
143
Sm
62
0
142.914629
+3/2
8 Minuten 45 Sekunden
ε
100%
143m
Sm
62
0.754
142.915438
-11/2
1 Minuten 6 Sekunden
it
99.76%
ε
0.24%
143m
Sm
62
2.7938
142.917628
-23/2
30 Millisekunden (ms)
it
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
Sm
62
0
144.913411
-7/2
340 Tage
ε
100%
145m
Sm
62
8.7862
144.922844
+49/2
960 Nanosekunden (ns)
it
100%
146
Sm
62
0
145.913041
0
0.0000002
68 Millionen Jahre
α
100%
147
Sm
62
0
146.914898
-7/2
14.99
106 Milliarden Jahre
α
100%
148
Sm
62
0
147.914823
0
11.24
7 Billiarden Jahre
α
100%
149
Sm
62
0
148.917185
-7/2
13.82
stabil
150
Sm
62
0
149.917276
0
7.38
stabil
151
Sm
62
0
150.919933
-5/2
90 Jahre
β
-
100%
151m
Sm
62
0.2611
150.920213
-11/2
1.4 Mikrosekunden (μs)
it
100%
152
Sm
62
0
151.919733
0
26.75
stabil
153
Sm
62
0
152.922098
+3/2
1 Tage 22 Stunden 17 Minuten 2 Sekunden
β
-
100%
153m
Sm
62
0.0984
152.922204
-11/2
10.6 Millisekunden (ms)
it
100%
154
Sm
62
0
153.922209
0
22.75
stabil
155
Sm
62
0
154.92464
-3/2
22 Minuten 18 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%
157
Sm
62
0
156.928359
-3/2
8 Minuten 1.8 Sekunden
β
-
100%
158
Sm
62
0
157.929991
0
5 Minuten 18 Sekunden
β
-
100%
159
Sm
62
0
158.933211
-5/2
11.37 Sekunden
β
-
100%
160
Sm
62
0
159.93514
0
9.6 Sekunden
β
-
100%
161
Sm
62
0
160.938831
-7/2
4.8 Sekunden
β
-
100%
162
Sm
62
0
161.94122
0
2.4 Sekunden
β
-
100%
163
Sm
62
0
162.94536
-1/2
1 Sekunden
β
-
>0%
nβ
-
>0%
164
Sm
62
0
163.94828
0
500 Millisekunden (ms)
β
-
>0%
nβ
-
>0%
165
Sm
62
0
164.95298
-5/2
200 Millisekunden (ms)
β
-
>0%
nβ
-
>0%