Das Periodensystem der Elemente online
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Nuklide nach Selektion gefunden: 22
Nuklid
Level
(MeV)
Atommasse (u)
Spin
% nat.
Halbwertszeit
Zerfall
%
143
I
53
0
142.94456
+7/2
150 Nanosekunden (ns)
β
-
>0%
nβ
-
>0%
143
Xe
54
0
142.93511
-5/2
511 Millisekunden (ms)
β
-
99%
nβ
-
1%
143
Cs
55
0
142.927352
+3/2
1.791 Sekunden
β
-
98.36%
nβ
-
1.64%
143
Ba
56
0
142.920627
-5/2
14.5 Sekunden
β
-
100%
143
La
57
0
142.916063
+7/2
14 Minuten 12 Sekunden
β
-
100%
143
Ce
58
0
142.912386
-3/2
33.03 Sekunden
β
-
100%
143
Pr
59
0
142.910817
+7/2
13 Tage 13 Stunden
β
-
100%
143
Nd
60
0
142.909814
-7/2
12.18
stabil
143
Pm
61
0
142.910933
+5/2
265 Tage
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%
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%
143
Gd
64
0
142.92675
+1/2
39 Sekunden
ε
100%
143m
Gd
64
0.1526
142.926914
-11/2
1 Minuten 50 Sekunden
ε
100%
143
Tb
65
0
142.935121
-11/2
12 Sekunden
ε
100%
143m
Tb
65
0.1
142.935229
+5/2
20 Sekunden
ε
50%
it
50%
143
Dy
66
0
142.94383
+1/2
3.2 Sekunden
ε
>0%
pε
>0%
143m
Dy
66
0.3107
142.944164
-11/2
29 Sekunden
ε
100%
143
Ho
67
0
142.954609
-11/2
300 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%