Das Periodensystem der Elemente online
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Nuklide nach Selektion gefunden: 20
Nuklid
Level
(MeV)
Atommasse (u)
Spin
% nat.
Halbwertszeit
Zerfall
%
187
Hf
72
0
186.96459
-3/2
30 Sekunden
β
-
100%
187
Ta
73
0
186.96053
+7/2
2 Minuten
β
-
100%
187
W
74
0
186.95716
-3/2
23 Stunden 43 Minuten 12 Sekunden
β
-
100%
187
Re
75
0
186.955753
+5/2
62.6
41.2 Milliarden Jahre
β
-
100%
α
>0%
187
Os
76
0
186.95575
-1/2
1.6
stabil
187
Ir
77
0
186.957363
+3/2
10 Stunden 30 Minuten
ε
100%
187m
Ir
77
0.1862
186.957563
-9/2
30.3 Millisekunden (ms)
it
100%
187m
Ir
77
0.4338
186.957829
-11/2
152 Nanosekunden (ns)
it
100%
187
Pt
78
0
186.960587
-3/2
2 Stunden 21 Minuten
ε
100%
187
Au
79
0
186.964518
+1/2
8 Minuten 24 Sekunden
ε
99.997%
α
3e-3%
187m
Au
79
0.1205
186.964697
-9/2
2.3 Sekunden
it
100%
187
Hg
80
0
186.969814
+13/2
1 Minuten 54 Sekunden
ε
100%
α
1.5e-4%
187m
Hg
80
0.059
186.969878
-3/2
2 Minuten 24 Sekunden
ε
>0%
α
>0%
it
>0%
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%
187
Pb
82
0
186.983918
-3/2
15.2 Sekunden
ε
93%
α
7%
187m
Pb
82
0.081
186.984005
+13/2
18.3 Sekunden
ε
88%
α
12%
187
Bi
83
0
186.993158
-9/2
32 Millisekunden (ms)
α
100%
187m
Bi
83
0.101
186.993266
+1/2
320 Mikrosekunden (μs)
it
100%
187m
Bi
83
0.252
186.993428
+13/2
7 Mikrosekunden (μs)
it
100%