Das Periodensystem der Elemente online
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Nuklide nach Selektion gefunden: 62
Nuklid
Level
(MeV)
Atommasse (u)
Spin
% nat.
Halbwertszeit
Zerfall
%
150
Cs
55
0
149.95817
-1
50 Millisekunden (ms)
β
-
>0%
nβ
-
>0%
152
Ba
56
0
151.95427
0
100 Millisekunden (ms)
β
-
>0%
nβ
-
>0%
154
La
57
0
153.9545
unbekannt
100 Millisekunden (ms)
β
-
>0%
nβ
-
>0%
156
Ce
58
0
155.95126
0
150 Millisekunden (ms)
β
-
>0%
nβ
-
>0%
158
Pr
59
0
157.95198
+3
200 Millisekunden (ms)
β
-
>0%
nβ
-
>0%
160
Nd
60
0
159.94909
0
300 Millisekunden (ms)
β
-
>0%
nβ
-
>0%
162
Pm
61
0
161.95029
unbekannt
500 Millisekunden (ms)
β
-
>0%
nβ
-
>0%
164
Sm
62
0
163.94828
0
500 Millisekunden (ms)
β
-
>0%
nβ
-
>0%
166
Eu
63
0
165.94997
unbekannt
400 Millisekunden (ms)
β
-
>0%
nβ
-
>0%
168
Gd
64
0
167.94836
0
300 Millisekunden (ms)
β
-
100%
170
Tb
65
0
169.95025
unbekannt
3 Sekunden
β
-
>0%
nβ
-
>0%
172
Dy
66
0
171.94876
0
3 Sekunden
β
-
100%
174
Ho
67
0
173.951151
+6
8 Sekunden
β
-
100%
176
Er
68
0
175.95008
0
20 Sekunden
β
-
100%
178
Tm
69
0
177.95264
unbekannt
30 Sekunden
β
-
100%
180
Yb
70
0
179.95233
0
2 Minuten 24 Sekunden
β
-
100%
182
Lu
71
0
181.95504
+2
2 Minuten
β
-
100%
184
Hf
72
0
183.955447
0
4 Stunden 7 Minuten 12 Sekunden
β
-
100%
184m
Hf
72
1.2724
183.956812
-8
48 Sekunden
β
-
100%
186
Ta
73
0
185.958552
-3
10 Minuten 30 Sekunden
β
-
100%
188
W
74
0
187.958489
0
69 Tage 18 Stunden
β
-
100%
190
Re
75
0
189.961818
-2
3 Minuten 6 Sekunden
β
-
100%
190m
Re
75
0.21
189.962043
-6
3 Stunden 12 Minuten
β
-
54.4%
it
45.6%
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%
194
Ir
77
0
193.965078
-1
19 Stunden 16 Minuten 48 Sekunden
β
-
100%
194m
Ir
77
0.1471
193.965236
+4
31.9 Millisekunden (ms)
it
100%
194m
Ir
77
0.19
193.965282
+11
171 Tage
β
-
100%
196
Pt
78
0
195.964952
0
25.242
stabil
198
Au
79
0
197.968242
-2
2 Tage 16 Stunden 41 Minuten
β
-
100%
198m
Au
79
0.3122
197.968578
+5
124 Nanosekunden (ns)
it
100%
198m
Au
79
0.8117
197.969114
-12
2 Tage 6 Stunden 28 Minuten
it
100%
200
Hg
80
0
199.968326
0
23.1
stabil
202
Tl
81
0
201.972106
-2
12 Tage 7 Stunden
ε
100%
202m
Tl
81
0.9502
201.973126
+7
572 Mikrosekunden (μs)
it
100%
204
Pb
82
0
203.973044
0
1.4
140 Billiarden Jahre
α
100%
204m
Pb
82
1.274
203.974412
+4
265 Nanosekunden (ns)
it
100%
204m
Pb
82
2.1858
203.975391
-9
1 Stunden 7 Minuten 12 Sekunden
it
100%
204m
Pb
82
2.2643
203.975475
-7
450 Nanosekunden (ns)
it
100%
206
Bi
83
0
205.9785
+6
6 Tage 5 Stunden 49 Minuten
ε
100%
206m
Bi
83
0.0599
205.978564
+4
7.7 Mikrosekunden (μs)
it
100%
206m
Bi
83
1.0448
205.979622
-10
890 Mikrosekunden (μs)
it
100%
208
Po
84
0
207.981246
0
2 Jahre 328 Tage
α
100%
ε
4e-3%
210
At
85
0
209.987148
+5
8 Stunden 6 Minuten
ε
99.82%
α
0.18%
210m
At
85
2.5496
209.989885
-15
482 Mikrosekunden (μs)
it
100%
210m
At
85
4.0277
209.991472
+19
5.7 Mikrosekunden (μs)
it
100%
212
Rn
86
0
211.990704
0
23 Minuten 54 Sekunden
α
100%
214
Fr
87
0
213.998972
-1
5 Millisekunden (ms)
α
100%
214m
Fr
87
0.122
213.999103
-8
3.4 Millisekunden (ms)
α
100%
214m
Fr
87
0.638
213.999787
+11
104 Nanosekunden (ns)
it
100%
214m
Fr
87
6.5
214.00595
+33
108 Nanosekunden (ns)
it
100%
216
Ra
88
0
216.003533
0
182 Nanosekunden (ns)
α
100%
ε
1e-8%
216m
Ra
88
1.5076
216.005152
+6
100 Pikosekunden (ps)
α
0.58%
it
99.42%
216m
Ra
88
1.7111
216.00537
+8
1.4 Nanosekunden (ns)
α
1.86%
it
98.14%
216m
Ra
88
2.026
216.005708
+10
600 Pikosekunden (ps)
α
0.12%
it
99.88%
218
Ac
89
0
218.01164
-1
1.1 Mikrosekunden (μs)
α
100%
218m
Ac
89
0.584
218.012267
+11
103 Nanosekunden (ns)
α
100%
220
Th
90
0
220.015748
0
9.7 Mikrosekunden (μs)
α
100%
ε
2e-7%
222
Pa
91
0
222.023743
unbekannt
3.3 Millisekunden (ms)
α
100%
224
U
92
0
224.027605
0
900 Mikrosekunden (μs)
α
100%
226
Np
93
0
226.035146
unbekannt
35 Millisekunden (ms)
α
100%
228
Pu
94
0
228.038742
0
1.1 Sekunden
α
100%