Das Periodensystem der Elemente online
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Nuklide nach Selektion gefunden: 29
Nuklid
Level
(MeV)
Atommasse (u)
Spin
% nat.
Halbwertszeit
Zerfall
%
159
Pr
59
0
158.955501
-5/2
100 Millisekunden (ms)
β
-
>0%
nβ
-
>0%
160
Nd
60
0
159.94909
0
300 Millisekunden (ms)
β
-
>0%
nβ
-
>0%
161
Pm
61
0
160.94586
-5/2
700 Millisekunden (ms)
β
-
>0%
nβ
-
>0%
162
Sm
62
0
161.94122
0
2.4 Sekunden
β
-
100%
163
Eu
63
0
162.939209
+5/2
7.8 Sekunden
β
-
100%
164
Gd
64
0
163.93586
0
45 Sekunden
β
-
100%
165
Tb
65
0
164.93488
+3/2
2 Minuten 6.6 Sekunden
β
-
100%
166
Dy
66
0
165.932807
0
3 Tage 9 Stunden 36 Minuten
β
-
100%
167
Ho
67
0
166.933133
-7/2
3 Stunden 10.800000000001 Sekunden
β
-
100%
167m
Ho
67
0.2593
166.933411
+7/2
6 Mikrosekunden (μs)
it
100%
168
Er
68
0
167.93237
0
26.978
stabil
169
Tm
69
0
168.934214
+1/2
100
stabil
170
Yb
70
0
169.934763
0
3.04
stabil
170m
Yb
70
1.2585
169.936114
-4
370 Nanosekunden (ns)
it
100%
171
Lu
71
0
170.937913
+7/2
8 Tage 5 Stunden 45 Minuten
ε
100%
171m
Lu
71
0.0711
170.93799
-1/2
1 Minuten 19 Sekunden
it
100%
172
Hf
72
0
171.939449
0
1 Jahre 317 Tage
ε
100%
172m
Hf
72
2.0056
171.941602
-8
163 Nanosekunden (ns)
it
100%
173
Ta
73
0
172.94375
-5/2
3 Stunden 8 Minuten 24 Sekunden
ε
100%
174
W
74
0
173.946079
0
33 Minuten 12 Sekunden
ε
100%
175
Re
75
0
174.951381
-5/2
5 Minuten 53.4 Sekunden
ε
100%
176
Os
76
0
175.954807
0
3 Minuten 36 Sekunden
ε
100%
177
Ir
77
0
176.961302
-5/2
30 Sekunden
ε
99.94%
α
0.06%
178
Pt
78
0
177.965649
0
21.1 Sekunden
ε
92.3%
α
7.7%
179
Au
79
0
178.973213
-5/2
3.3 Sekunden
ε
78%
α
22%
180
Hg
80
0
179.978266
0
2.58 Sekunden
ε
52%
α
48%
181
Tl
81
0
180.986258
+1/2
1.4 Millisekunden (ms)
α
100%
ε
>0%
181m
Tl
81
0.85
180.98717
-9/2
3.2 Sekunden
α
>0%
ε
>0%
it
>0%
182
Pb
82
0
181.992672
0
55 Millisekunden (ms)
α
100%