Das Periodensystem der Elemente online
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Nuklide nach Selektion gefunden: 27
Nuklid
Level
(MeV)
Atommasse (u)
Spin
% nat.
Halbwertszeit
Zerfall
%
194
W
74
0
193.97379
0
2 Sekunden
β
-
100%
195
Re
75
0
194.97254
unbekannt
6 Sekunden
β
-
100%
196
Os
76
0
195.96964
0
34 Minuten 54 Sekunden
β
-
100%
197
Ir
77
0
196.969653
+3/2
5 Minuten 48 Sekunden
β
-
100%
197m
Ir
77
0.115
196.969777
-11/2
8 Minuten 54 Sekunden
β
-
99.95%
it
0.05%
198
Pt
78
0
197.967894
0
7.163
stabil
199
Au
79
0
198.968765
+3/2
3 Tage 3 Stunden 20 Minuten
β
-
100%
199m
Au
79
0.5489
198.969355
-11/2
440 Mikrosekunden (μs)
it
100%
200
Hg
80
0
199.968326
0
23.1
stabil
201
Tl
81
0
200.970819
+1/2
3 Tage 1 Stunden 37.440000000002 Sekunden
ε
100%
201m
Tl
81
0.9192
200.971806
-9/2
2 Millisekunden (ms)
it
100%
202
Pb
82
0
201.97216
0
52500 Jahre
ε
100%
202m
Pb
82
2.1699
201.974489
-9
3 Stunden 32 Minuten 24 Sekunden
it
90.5%
e
9.5%
202m
Pb
82
4.1429
201.976607
+16
110 Nanosekunden (ns)
it
100%
202m
Pb
82
5.3459
201.977899
-19
107 Nanosekunden (ns)
it
100%
203
Bi
83
0
202.976876
-9/2
11 Stunden 45 Minuten 36 Sekunden
ε
100%
203m
Bi
83
1.0981
202.978055
+1/2
305 Millisekunden (ms)
it
100%
203m
Bi
83
2.0415
202.979068
+25/2
194 Nanosekunden (ns)
it
100%
204
Po
84
0
203.980319
0
3 Stunden 31 Minuten 48 Sekunden
ε
99.34%
α
0.66%
205
At
85
0
204.986075
-9/2
26 Minuten 54 Sekunden
ε
90%
α
10%
205m
At
85
2.3397
204.988586
+39/2
7.8 Mikrosekunden (μs)
it
100%
206
Rn
86
0
205.990215
0
5 Minuten 40.2 Sekunden
α
62%
ε
38%
207
Fr
87
0
206.996949
-9/2
14.8 Sekunden
α
95%
ε
5%
208
Ra
88
0
208.001839
0
1.3 Sekunden
α
95%
ε
5%
208m
Ra
88
1.8
208.003771
+8
270 Nanosekunden (ns)
it
100%
209
Ac
89
0
209.009495
-9/2
100 Millisekunden (ms)
α
99%
ε
1%
210
Th
90
0
210.015075
0
9 Millisekunden (ms)
α
99%
ε
1%