Das Periodensystem der Elemente online
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Nuklide nach Selektion gefunden: 27
Nuklid
Level
(MeV)
Atommasse (u)
Spin
% nat.
Halbwertszeit
Zerfall
%
188
Hf
72
0
187.96685
0
20 Sekunden
β
-
100%
189
Ta
73
0
188.96583
+7/2
3 Sekunden
β
-
100%
190
W
74
0
189.963181
0
30 Minuten
β
-
100%
191
Re
75
0
190.963126
+3/2
9 Minuten 48 Sekunden
β
-
100%
192
Os
76
0
191.961481
0
40.93
stabil
192m
Os
76
2.0154
191.963644
-10
5.9 Sekunden
it
90%
β
-
10%
193
Ir
77
0
192.962927
+3/2
62.7
stabil
193m
Ir
77
0.0802
192.963013
-11/2
10 Tage 12 Stunden 43 Minuten
it
100%
194
Pt
78
0
193.96268
0
32.967
stabil
195
Au
79
0
194.965035
+3/2
186 Tage 2 Stunden
ε
100%
195m
Au
79
0.3186
194.965377
-11/2
30.5 Sekunden
it
100%
196
Hg
80
0
195.965833
0
0.15
100 Billionen Jahre
α
100%
197
Tl
81
0
196.969574
+1/2
2 Stunden 50 Minuten 24 Sekunden
ε
100%
197m
Tl
81
0.6082
196.970227
-9/2
540 Millisekunden (ms)
it
100%
198
Pb
82
0
197.972034
0
2 Stunden 24 Minuten
ε
100%
198m
Pb
82
2.1414
197.974333
-7
4.2 Mikrosekunden (μs)
it
100%
198m
Pb
82
2.2314
197.974429
-9
137 Nanosekunden (ns)
it
100%
198m
Pb
82
2.8205
197.975062
+12
212 Nanosekunden (ns)
it
100%
199
Bi
83
0
198.977672
-9/2
27 Minuten
ε
100%
199m
Bi
83
0.667
198.978388
+1/2
24 Minuten 42 Sekunden
ε
99%
it
1%
α
0.01%
199m
Bi
83
1.947
198.979763
+25/2
100 Nanosekunden (ns)
it
100%
199m
Bi
83
2.55
198.98041
-29/2
168 Nanosekunden (ns)
it
100%
200
Po
84
0
199.981799
0
11 Minuten 30.6 Sekunden
ε
88.9%
α
11.1%
201
At
85
0
200.988418
-9/2
1 Minuten 25.2 Sekunden
α
71%
ε
29%
202
Rn
86
0
201.993264
0
9.7 Sekunden
α
78%
ε
22%
203
Fr
87
0
203.000925
-9/2
550 Millisekunden (ms)
α
100%
204
Ra
88
0
204.0065
0
59 Millisekunden (ms)
α
100%