Das Periodensystem der Elemente online
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Nuklide nach Selektion gefunden: 27
Nuklid
Level
(MeV)
Atommasse (u)
Spin
% nat.
Halbwertszeit
Zerfall
%
200
Os
76
0
199.97976
0
6 Sekunden
β
-
100%
201
Ir
77
0
200.97864
-1
β
-
100%
202
Pt
78
0
201.97574
0
1 Tage 20 Stunden
β
-
100%
202m
Pt
78
1.7885
201.97766
-7
280 Mikrosekunden (μs)
it
100%
203
Au
79
0
202.975155
+3/2
1 Minuten
β
-
100%
204
Hg
80
0
203.973494
0
6.87
stabil
205
Tl
81
0
204.974428
+1/2
70.476
stabil
205m
Tl
81
3.2901
204.97796
+25/2
2.6 Mikrosekunden (μs)
it
100%
205m
Tl
81
4.8356
204.979619
-35/2
235 Nanosekunden (ns)
it
100%
206
Pb
82
0
205.974466
0
24.1
stabil
206m
Pb
82
2.2001
205.976828
-7
125 Mikrosekunden (μs)
it
100%
206m
Pb
82
4.0273
205.978789
+12
202 Nanosekunden (ns)
it
100%
207
Bi
83
0
206.978471
-9/2
32 Jahre 328 Tage
ε
100%
207m
Bi
83
2.1015
206.980727
+23/2
182 Mikrosekunden (μs)
it
100%
208
Po
84
0
207.981246
0
2 Jahre 328 Tage
α
100%
ε
4e-3%
209
At
85
0
208.986173
-9/2
5 Stunden 24 Minuten 36 Sekunden
ε
95.9%
α
4.1%
210
Rn
86
0
209.989696
0
2 Stunden 24 Minuten
α
96%
ε
4%
210m
Rn
86
1.69
209.991511
+8
6.44 Sekunden
it
100%
210m
Rn
86
3.837
209.993815
-17
1.1 Mikrosekunden (μs)
it
100%
210m
Rn
86
6.493
209.996667
+22
1 Mikrosekunden (μs)
it
100%
211
Fr
87
0
210.995537
-9/2
3 Minuten 6 Sekunden
α
85%
ε
15%
212
Ra
88
0
211.999795
0
13 Sekunden
α
85%
ε
15%
212m
Ra
88
1.9584
212.001897
+8
10.9 Mikrosekunden (μs)
it
100%
212m
Ra
88
2.6134
212.0026
-11
850 Nanosekunden (ns)
it
100%
213
Ac
89
0
213.006607
-9/2
738 Millisekunden (ms)
α
100%
214
Th
90
0
214.011499
0
100 Millisekunden (ms)
α
100%
215
Pa
91
0
215.019186
-9/2
14 Millisekunden (ms)
α
100%