Das Periodensystem der Elemente online
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Nuklide nach Selektion gefunden: 46
Nuklid
Level
(MeV)
Atommasse (u)
Spin
% nat.
Halbwertszeit
Zerfall
%
118
Tc
43
0
117.95148
unbekannt
unbekannt
β
-
>0%
nβ
-
>0%
119
Ru
44
0
118.94284
unbekannt
unbekannt
β
-
>0%
nβ
-
>0%
120
Rh
45
0
119.93641
unbekannt
140 Millisekunden (ms)
β
-
95%
nβ
-
5%
121
Pd
46
0
120.92887
unbekannt
unbekannt
β
-
>0%
nβ
-
>0%
122
Ag
47
0
121.92353
+3
529 Millisekunden (ms)
β
-
99.81%
nβ
-
0.19%
122m
Ag
47
0.08
121.923616
-9
200 Millisekunden (ms)
β
-
>0%
nβ
-
>0%
it
>0%
123
Cd
48
0
122.917003
+3/2
2.1 Sekunden
β
-
100%
123m
Cd
48
0.3165
122.917343
-11/2
1.82 Sekunden
β
-
>0%
it
>0%
124
In
49
0
123.913176
+1
3.12 Sekunden
β
-
100%
124m
In
49
0.05
123.91323
-8
3.7 Sekunden
β
-
100%
125
Sn
50
0
124.907784
-11/2
9 Tage 15 Stunden 21 Minuten
β
-
100%
125m
Sn
50
0.0275
124.907814
+3/2
9 Minuten 31.2 Sekunden
β
-
100%
126
Sb
51
0
125.907248
-8
12 Tage 8 Stunden
β
-
100%
126m
Sb
51
0.0177
125.907267
+5
19 Minuten 9 Sekunden
β
-
86%
it
14%
126m
Sb
51
0.0404
125.907291
-3
11 Sekunden
it
100%
126m
Sb
51
0.1046
125.90736
+3
553 Nanosekunden (ns)
it
100%
127
Te
52
0
126.905226
+3/2
9 Stunden 21 Minuten
β
-
100%
127m
Te
52
0.0883
126.905321
-11/2
109 Tage
it
97.6%
β
-
2.4%
128
I
53
0
127.905809
+1
24 Minuten 59.4 Sekunden
β
-
93.1%
ε
6.9%
128m
I
53
0.1379
127.905958
-4
845 Nanosekunden (ns)
it
100%
128m
I
53
0.1674
127.905989
-6
175 Nanosekunden (ns)
it
100%
129
Xe
54
0
128.904779
+1/2
26.4
stabil
129m
Xe
54
0.2361
128.905033
-11/2
8 Tage 21 Stunden 7 Minuten
it
100%
130
Cs
55
0
129.906709
+1
29 Minuten 12.6 Sekunden
ε
98.4%
β
-
1.6%
130m
Cs
55
0.1632
129.906884
-5
3 Minuten 27.6 Sekunden
it
99.94%
ε
0.06%
131
Ba
56
0
130.906942
+1/2
11 Tage 12 Stunden
ε
100%
131m
Ba
56
0.188
130.907144
-9/2
14 Minuten 36 Sekunden
it
100%
132
La
57
0
131.910101
-2
4 Stunden 48 Minuten
ε
100%
132m
La
57
0.1882
131.910303
-6
24 Minuten 18 Sekunden
it
76%
ε
24%
133
Ce
58
0
132.911515
+1/2
1 Stunden 37 Minuten
ε
100%
133m
Ce
58
0.0371
132.911555
-9/2
4 Stunden 54 Minuten
ε
100%
134
Pr
59
0
133.915712
-5
11 Minuten
ε
100%
134m
Pr
59
0.1
133.915819
-2
17 Minuten
ε
100%
135
Nd
60
0
134.918182
-9/2
12 Minuten 24 Sekunden
ε
100%
135m
Nd
60
0.0649
134.918252
+1/2
5 Minuten 30 Sekunden
ε
99.97%
it
0.03%
136
Pm
61
0
135.923566
-5
1 Minuten 47 Sekunden
ε
100%
136m
Pm
61
0.13
135.923705
+2
47 Sekunden
ε
40%
it
60%
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
Eu
63
0
137.933709
-6
12.1 Sekunden
ε
100%
139
Gd
64
0
138.93824
-9/2
5.8 Sekunden
ε
>0%
pε
>0%
139m
Gd
64
0.25
138.938508
+1/2
4.8 Sekunden
ε
>0%
pε
>0%
140
Tb
65
0
139.945805
+5
2.4 Sekunden
ε
99.74%
pε
0.74%
141
Dy
66
0
140.95135
-9/2
900 Millisekunden (ms)
ε
>0%
pε
>0%
142
Ho
67
0
141.95977
+6
400 Millisekunden (ms)
ε
>0%
pε
>0%
p
>0%
143
Er
68
0
142.96634
-9/2
200 Millisekunden (ms)
ε
>0%
pε
>0%
p
>0%