Das Periodensystem der Elemente online
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Nuklide nach Selektion gefunden: 45
Nuklid
Level
(MeV)
Atommasse (u)
Spin
% nat.
Halbwertszeit
Zerfall
%
171
Tb
65
0
170.9533
+3/2
500 Millisekunden (ms)
β
-
>0%
nβ
-
>0%
172
Dy
66
0
171.94876
0
3 Sekunden
β
-
100%
173
Ho
67
0
172.94729
-7/2
10 Sekunden
β
-
100%
174
Er
68
0
173.94423
0
3 Minuten 12 Sekunden
β
-
100%
175
Tm
69
0
174.943837
+1/2
15 Minuten 12 Sekunden
β
-
100%
176
Yb
70
0
175.942572
0
12.76
160 Billiarden Jahre
2β
-
100%
176m
Yb
70
1.0498
175.943699
-8
11.4 Sekunden
it
100%
177
Lu
71
0
176.943758
+7/2
6 Tage 15 Stunden 31 Minuten
β
-
100%
177m
Lu
71
0.1504
176.94392
-9/2
130 Nanosekunden (ns)
it
100%
177m
Lu
71
0.5697
176.94437
+1/2
155 Mikrosekunden (μs)
it
100%
177m
Lu
71
0.9702
176.9448
-23/2
160 Tage 10 Stunden
β
-
78.6%
it
21.4%
177m
Lu
71
3.9
176.946874
-39/2
6 Minuten
β
-
>0%
it
>0%
178
Hf
72
0
177.943699
0
27.28
stabil
178m
Hf
72
1.1474
177.944931
-8
4 Sekunden
it
100%
178m
Hf
72
2.4461
177.946325
+16
31 Jahre
it
100%
178m
Hf
72
2.5735
177.946461
+14
68 Mikrosekunden (μs)
it
100%
179
Ta
73
0
178.94593
+7/2
1 Jahre 299 Tage
ε
100%
179m
Ta
73
0.0307
178.945963
-9/2
1.4 Mikrosekunden (μs)
it
100%
179m
Ta
73
0.5202
178.946488
+1/2
335 Nanosekunden (ns)
it
100%
179m
Ta
73
1.2526
178.947275
-23/2
322 Nanosekunden (ns)
it
100%
179m
Ta
73
1.3173
178.947344
+25/2
9 Millisekunden (ms)
it
100%
179m
Ta
73
1.3279
178.947355
-23/2
1.6 Mikrosekunden (μs)
it
100%
179m
Ta
73
2.6393
178.948763
+37/2
54.1 Millisekunden (ms)
it
100%
180
W
74
0
179.946704
0
0.12
1.8 Trillionen Jahre
α
100%
180m
W
74
1.529
179.948346
-8
390 Nanosekunden (ns)
it
100%
180m
W
74
3.3485
179.950299
-14
750 Nanosekunden (ns)
it
100%
181
Re
75
0
180.950068
+5/2
19 Stunden 54 Minuten
ε
100%
182
Os
76
0
181.95211
0
22 Stunden 6 Minuten
ε
100%
183
Ir
77
0
182.956846
-5/2
57 Minuten
ε
100%
184
Pt
78
0
183.959922
0
17 Minuten 18 Sekunden
ε
99.999%
α
0.001%
184m
Pt
78
1.8394
183.961897
-8
1 Millisekunden (ms)
it
100%
185
Au
79
0
184.96579
-5/2
4 Minuten 15 Sekunden
ε
99.74%
α
0.26%
185m
Au
79
0.1
184.965898
+1/2
6 Minuten 48 Sekunden
ε
100%
it
>0%
186
Hg
80
0
185.969362
0
1 Minuten 22.8 Sekunden
ε
99.98%
α
0.02%
186m
Hg
80
2.2173
185.971742
-8
82 Mikrosekunden (μs)
it
100%
187
Tl
81
0
186.975906
+1/2
51 Sekunden
ε
100%
α
>0%
187m
Tl
81
0.335
186.976266
-9/2
15.6 Sekunden
ε
99.85%
α
0.15%
it
>0%
188
Pb
82
0
187.980874
0
25.1 Sekunden
ε
90.7%
α
9.3%
188m
Pb
82
2.5782
187.983642
-8
830 Nanosekunden (ns)
it
100%
189
Bi
83
0
188.989199
-9/2
674 Millisekunden (ms)
α
60%
ε
40%
189m
Bi
83
0.185
188.989398
+1/2
5 Millisekunden (ms)
α
70%
ε
30%
189m
Bi
83
0.357
188.989582
+13/2
880 Nanosekunden (ns)
it
100%
190
Po
84
0
189.995101
0
2.5 Millisekunden (ms)
α
100%
191
At
85
0
191
+1/2
1.7 Millisekunden (ms)
α
100%
191m
At
85
0.055
191.000059
-7/2
2.1 Millisekunden (ms)
α
100%
it
>0%