Das Periodensystem der Elemente online
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Nuklide nach Selektion gefunden: 28
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%
129
Cd
48
0
128.93215
+3/2
270 Millisekunden (ms)
β
-
100%
129m
Cd
48
0.1
128.932257
-11/2
104 Millisekunden (ms)
it
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%
129
Sn
50
0
128.913479
+3/2
2 Minuten 13.8 Sekunden
β
-
100%
129m
Sn
50
0.0352
128.913517
-11/2
6 Minuten 54 Sekunden
β
-
100%
it
1.5e-3%
129
Sb
51
0
128.909148
+7/2
4 Stunden 24 Minuten
β
-
100%
129m
Sb
51
1.851
128.911136
-19/2
17 Minuten 42 Sekunden
β
-
85%
it
15%
129m
Sb
51
1.8609
128.911146
-15/2
2 Mikrosekunden (μs)
it
100%
129m
Sb
51
2.1389
128.911445
+23/2
1.1 Mikrosekunden (μs)
it
100%
129
Te
52
0
128.906598
+3/2
1 Stunden 9 Minuten 36 Sekunden
β
-
100%
129m
Te
52
0.1055
128.906711
-11/2
33 Tage 14 Stunden
it
63%
β
-
37%
129
I
53
0
128.904988
+7/2
15.7 Millionen Jahre
β
-
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%
129
Cs
55
0
128.906064
+1/2
1 Tage 8 Stunden 3 Minuten 36 Sekunden
ε
100%
129
Ba
56
0
128.908679
+1/2
2 Stunden 13 Minuten 48 Sekunden
ε
100%
129m
Ba
56
0.0084
128.908688
+7/2
2 Stunden 9 Minuten 36 Sekunden
ε
>0%
it
>0%
129
La
57
0
128.912693
+3/2
11 Minuten 36 Sekunden
ε
100%
129m
La
57
0.1721
128.912878
-11/2
560 Millisekunden (ms)
it
100%
129
Ce
58
0
128.918102
+5/2
3 Minuten 30 Sekunden
ε
100%
129
Pr
59
0
128.925095
-11/2
32 Sekunden
ε
100%
129
Nd
60
0
128.933188
+5/2
4.9 Sekunden
ε
>0%
pε
>0%
129
Pm
61
0
128.94316
-5/2
2.4 Sekunden
ε
100%
pε
1e-6%
129
Sm
62
0
128.95464
+5/2
550 Millisekunden (ms)
ε
>0%
pε
>0%