Das Periodensystem der Elemente online
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Nuklide nach Selektion gefunden: 32
Nuklid
Level
(MeV)
Atommasse (u)
Spin
% nat.
Halbwertszeit
Zerfall
%
163
Pm
61
0
162.95368
-5/2
200 Millisekunden (ms)
β
-
>0%
nβ
-
>0%
164
Sm
62
0
163.94828
0
500 Millisekunden (ms)
β
-
>0%
nβ
-
>0%
165
Eu
63
0
164.945721
+5/2
2.3 Sekunden
β
-
100%
166
Gd
64
0
165.9416
0
4.8 Sekunden
β
-
100%
167
Tb
65
0
166.94005
+3/2
19.4 Sekunden
β
-
100%
168
Dy
66
0
167.937129
0
8 Minuten 42 Sekunden
β
-
100%
169
Ho
67
0
168.936872
-7/2
4 Minuten 43.2 Sekunden
β
-
100%
170
Er
68
0
169.935464
0
14.91
stabil
171
Tm
69
0
170.936429
+1/2
1 Jahre 336 Tage
β
-
100%
171m
Tm
69
0.425
170.936886
-7/2
2.6 Mikrosekunden (μs)
it
100%
172
Yb
70
0
171.936382
0
21.83
stabil
173
Lu
71
0
172.938931
+7/2
1 Jahre 135 Tage
ε
100%
173m
Lu
71
0.1237
172.939063
-5/2
74 Mikrosekunden (μs)
it
100%
174
Hf
72
0
173.940046
0
0.16
2 Billiarden Jahre
α
100%
174m
Hf
72
1.5493
173.941709
+6
138 Nanosekunden (ns)
it
100%
174m
Hf
72
1.7975
173.941976
-8
2.4 Mikrosekunden (μs)
it
100%
174m
Hf
72
3.3117
173.943601
+14
3.7 Mikrosekunden (μs)
it
100%
175
Ta
73
0
174.943738
+7/2
10 Stunden 30 Minuten
ε
100%
176
W
74
0
175.945635
0
2 Stunden 30 Minuten
ε
100%
177
Re
75
0
176.950328
-5/2
14 Minuten
ε
100%
177m
Re
75
0.0847
176.950419
+5/2
50 Mikrosekunden (μs)
it
100%
178
Os
76
0
177.953251
0
5 Minuten
ε
100%
179
Ir
77
0
178.959122
-5/2
1 Minuten 19 Sekunden
ε
100%
180
Pt
78
0
179.963031
0
56 Sekunden
ε
99.7%
α
0.3%
181
Au
79
0
180.970079
-3/2
13.7 Sekunden
ε
97.3%
α
2.7%
182
Hg
80
0
181.97469
0
10.83 Sekunden
ε
84.8%
α
15.2%
183
Tl
81
0
182.982193
+1/2
6.9 Sekunden
α
>0%
ε
>0%
183m
Tl
81
0.63
182.982869
-9/2
53.3 Millisekunden (ms)
ε
>0%
it
>0%
α
2%
183m
Tl
81
0.9768
182.983241
+13/2
1.5 Mikrosekunden (μs)
it
100%
184
Pb
82
0
183.988143
0
490 Millisekunden (ms)
ε
77%
α
23%
185
Bi
83
0
184.997624
-9/2
2 Millisekunden (ms)
α
100%
185m
Bi
83
0.07
184.997699
+1/2
50 Mikrosekunden (μs)
α
90%
p
90%
it
>0%