Das Periodensystem der Elemente online
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Nuklide nach Selektion gefunden: 22
Nuklid
Level
(MeV)
Atommasse (u)
Spin
% nat.
Halbwertszeit
Zerfall
%
148
Cs
55
0
147.949221
-1
146 Millisekunden (ms)
β
-
74.9%
nβ
-
25.1%
148
Ba
56
0
147.93772
0
612 Millisekunden (ms)
β
-
99.6%
nβ
-
0.4%
148
La
57
0
147.932229
-2
1.26 Sekunden
β
-
99.85%
nβ
-
0.15%
148
Ce
58
0
147.924432
0
56 Sekunden
β
-
100%
148
Pr
59
0
147.922135
-1
2 Minuten 17.4 Sekunden
β
-
100%
148m
Pr
59
0.09
147.922232
+4
2 Minuten 600 Millisekunden (ms)
β
-
100%
148
Nd
60
0
147.916893
0
5.76
stabil
148
Pm
61
0
147.917475
-1
5 Tage 8 Stunden 49 Minuten
β
-
100%
148m
Pm
61
0.1379
147.917623
-6
41 Tage 6 Stunden
β
-
95.8%
it
4.2%
148
Sm
62
0
147.914823
0
11.24
7 Billiarden Jahre
α
100%
148
Eu
63
0
147.918086
-5
54 Tage 12 Stunden
ε
100%
α
9.4e-7%
148
Gd
64
0
147.918115
0
70 Jahre 328 Tage
α
100%
148
Tb
65
0
147.924272
-2
1 Stunden
ε
100%
148m
Tb
65
0.0901
147.924368
+9
2 Minuten 12 Sekunden
ε
100%
148m
Tb
65
8.6186
147.933621
+27
1.3 Mikrosekunden (μs)
it
100%
148
Dy
66
0
147.92715
0
3 Minuten 18 Sekunden
ε
100%
148
Ho
67
0
147.937718
+1
2.2 Sekunden
ε
100%
148m
Ho
67
0.4
147.938147
-6
9.49 Sekunden
ε
99.92%
pε
0.08%
148m
Ho
67
0.69
147.938459
+10
2.4 Millisekunden (ms)
it
100%
148
Er
68
0
147.94455
0
4.6 Sekunden
ε
100%
148
Tm
69
0
147.95784
+1
700 Millisekunden (ms)
ε
100%
148
Yb
70
0
147.96742
0
250 Millisekunden (ms)
ε
>0%
pε
>0%
p
>0%