Das Periodensystem der Elemente online
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Nuklide nach Selektion gefunden: 34
Nuklid
Level
(MeV)
Atommasse (u)
Spin
% nat.
Halbwertszeit
Zerfall
%
150
Cs
55
0
149.95817
-1
50 Millisekunden (ms)
β
-
>0%
nβ
-
>0%
151
Ba
56
0
150.95081
-3/2
300 Nanosekunden (ns)
β
-
>0%
nβ
-
>0%
152
La
57
0
151.94625
unbekannt
200 Millisekunden (ms)
β
-
>0%
nβ
-
>0%
153
Ce
58
0
152.94058
-3/2
500 Millisekunden (ms)
β
-
>0%
nβ
-
>0%
154
Pr
59
0
153.937518
+3
2.3 Sekunden
β
-
100%
155
Nd
60
0
154.932932
-3/2
8.9 Sekunden
β
-
100%
156
Pm
61
0
155.931057
-4
26.7 Sekunden
β
-
100%
157
Sm
62
0
156.928359
-3/2
8 Minuten 1.8 Sekunden
β
-
100%
158
Eu
63
0
157.927845
-1
45 Minuten 54 Sekunden
β
-
100%
159
Gd
64
0
158.926389
-3/2
18 Stunden 28 Minuten 44 Sekunden
β
-
100%
160
Tb
65
0
159.927168
-3
72 Tage 7 Stunden
β
-
100%
161
Dy
66
0
160.926933
+5/2
18.91
stabil
162
Ho
67
0
161.929096
+1
15 Minuten
ε
100%
162m
Ho
67
0.1059
161.929209
-6
1 Stunden 7 Minuten
ε
38%
it
62%
163
Er
68
0
162.930033
-5/2
1 Stunden 15 Minuten
ε
100%
163m
Er
68
0.4455
162.930511
-11/2
580 Nanosekunden (ns)
it
100%
164
Tm
69
0
163.93356
+1
2 Minuten
ε
100%
164m
Tm
69
0.01
163.933571
-6
5 Minuten 6 Sekunden
it
80%
ε
20%
165
Yb
70
0
164.935279
-5/2
9 Minuten 54 Sekunden
ε
100%
166
Lu
71
0
165.93986
-6
2 Minuten 39 Sekunden
ε
100%
166m
Lu
71
0.0344
165.939897
-3
1 Minuten 24.6 Sekunden
ε
58%
it
42%
166m
Lu
71
0.0429
165.939906
0
2 Minuten 7.2 Sekunden
ε
82%
it
18%
167
Hf
72
0
166.9426
-5/2
2 Minuten 3 Sekunden
ε
100%
168
Ta
73
0
167.948047
-2
2 Minuten
ε
100%
169
W
74
0
168.95178
-5/2
1 Minuten 14 Sekunden
ε
100%
170
Re
75
0
169.958221
+5
9.2 Sekunden
ε
100%
171
Os
76
0
170.963185
-5/2
8.3 Sekunden
ε
98.2%
ε
1.8%
172
Ir
77
0
171.970456
+3
4.4 Sekunden
ε
98%
α
2%
172m
Ir
77
0.139
171.970605
+7
2 Sekunden
ε
77%
α
23%
173
Pt
78
0
172.976445
-5/2
382 Millisekunden (ms)
α
86%
ε
14%
174
Au
79
0
173.984761
-2
139 Millisekunden (ms)
α
100%
ε
>0%
174m
Au
79
0.36
173.985148
+9
171 Millisekunden (ms)
α
100%
175
Hg
80
0
174.991423
-5/2
108 Millisekunden (ms)
α
100%
176
Tl
81
0
176.001457
unbekannt
3.5 Millisekunden (ms)
p
100%