Das Periodensystem der Elemente online
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Nuklide nach Selektion gefunden: 43
Nuklid
Level
(MeV)
Atommasse (u)
Spin
% nat.
Halbwertszeit
Zerfall
%
127
Ag
47
0
126.93677
-1/2
79 Millisekunden (ms)
β
-
>0%
nβ
-
>0%
128
Cd
48
0
127.927762
0
280 Millisekunden (ms)
β
-
100%
129
In
49
0
128.921697
+9/2
610 Millisekunden (ms)
β
-
99.75%
nβ
-
0.25%
129m
In
49
0.05
128.921751
-10
538 Millisekunden (ms)
β
-
100%
129m
In
49
0.38
128.922105
-1/2
1.23 Sekunden
β
-
97.3%
nβ
-
0.2%
it
2.5%
130
Sn
50
0
129.913967
0
3 Minuten 43.2 Sekunden
β
-
100%
130m
Sn
50
1.9469
129.916057
-7
1 Minuten 42 Sekunden
β
-
100%
130m
Sn
50
2.4348
129.916581
+10
1.6 Mikrosekunden (μs)
it
100%
131
Sb
51
0
130.911983
+7/2
23 Minuten 1.8 Sekunden
β
-
100%
132
Te
52
0
131.908553
0
3 Tage 4 Stunden 53 Minuten
β
-
100%
132m
Te
52
1.9255
131.91062
-7
28.1 Mikrosekunden (μs)
it
100%
132m
Te
52
2.7233
131.911477
+10
3.7 Mikrosekunden (μs)
it
100%
133
I
53
0
132.907797
+7/2
20 Stunden 48 Minuten
β
-
100%
133m
I
53
1.6342
132.909551
-19/2
9 Sekunden
it
100%
133m
I
53
1.7292
132.909653
-15/2
170 Nanosekunden (ns)
it
100%
134
Xe
54
0
133.905394
0
10.436
58 Trilliarden Jahre
2β
-
100%
134m
Xe
54
1.9655
133.907505
-7
290 Millisekunden (ms)
it
100%
135
Cs
55
0
134.905978
+7/2
2.3 Millionen Jahre
β
-
100%
135m
Cs
55
1.6329
134.907731
-19/2
53 Minuten
it
100%
136
Ba
56
0
135.904576
0
7.854
stabil
136m
Ba
56
2.0305
135.906756
-7
308.4 Millisekunden (ms)
it
100%
137
La
57
0
136.906494
+7/2
60000 Jahre
ε
100%
138
Ce
58
0
137.905991
0
0.251
90 Billionen Jahre
2ε
100%
139
Pr
59
0
138.908938
+5/2
4 Stunden 24 Minuten 36 Sekunden
ε
100%
140
Nd
60
0
139.909553
0
3 Tage 8 Stunden 52 Minuten
ε
100%
140m
Nd
60
2.2214
139.911938
-7
600 Mikrosekunden (μs)
it
100%
141
Pm
61
0
140.913555
+5/2
20 Minuten 54 Sekunden
ε
100%
141m
Pm
61
0.6284
140.91423
-11/2
780 Nanosekunden (ns)
it
100%
141m
Pm
61
2.5309
140.916266
-23/2
3 Mikrosekunden (μs)
it
100%
142
Sm
62
0
141.915198
0
1 Stunden 12 Minuten 29.4 Sekunden
ε
100%
143
Eu
63
0
142.920298
+5/2
2 Minuten 35.4 Sekunden
ε
100%
143m
Eu
63
0.3895
142.920716
-11/2
50 Mikrosekunden (μs)
it
100%
144
Gd
64
0
143.922963
0
4 Minuten 28.2 Sekunden
ε
100%
145
Tb
65
0
144.929275
+3/2
20 Minuten
ε
100%
145m
Tb
65
0.1
144.929382
-11/2
30.9 Sekunden
ε
100%
146
Dy
66
0
145.932845
0
29 Sekunden
ε
100%
146m
Dy
66
2.9357
145.935997
+10
150 Millisekunden (ms)
it
100%
147
Ho
67
0
146.940056
-11/2
5.8 Sekunden
ε
100%
148
Er
68
0
147.94455
0
4.6 Sekunden
ε
100%
149
Tm
69
0
148.95272
-11/2
900 Millisekunden (ms)
ε
99.8%
pε
0.02%
150
Yb
70
0
149.958419
0
700 Millisekunden (ms)
ε
>0%
pε
>0%
151
Lu
71
0
150.967577
-11/2
80.6 Millisekunden (ms)
p
63.4%
ε
36.6%
151m
Lu
71
0.078
150.967661
+3/2
16 Mikrosekunden (μs)
p
100%