Das Periodensystem der Elemente online
Startseite
Nuklidkarte
Rechenhilfen
Listen
Nuklidliste
Nuklide nach Selektion gefunden: 40
Nuklid
Level
(MeV)
Atommasse (u)
Spin
% nat.
Halbwertszeit
Zerfall
%
187
Hf
72
0
186.96459
-3/2
30 Sekunden
β
-
100%
189
Ta
73
0
188.96583
+7/2
3 Sekunden
β
-
100%
191
W
74
0
190.9666
-3/2
20 Sekunden
β
-
100%
193
Re
75
0
192.967469
+5/2
30 Sekunden
β
-
100%
195
Os
76
0
194.968128
-3/2
9 Minuten
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%
199
Pt
78
0
198.970593
-5/2
30 Minuten 48 Sekunden
β
-
100%
199m
Pt
78
0.424
198.971049
+13/2
13.6 Sekunden
it
100%
201
Au
79
0
200.971657
+3/2
26 Minuten
β
-
100%
203
Hg
80
0
202.972873
-5/2
46 Tage 14 Stunden
β
-
100%
203m
Hg
80
0.9331
202.973874
+13/2
24 Mikrosekunden (μs)
it
100%
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%
207
Pb
82
0
206.975898
-1/2
22.1
stabil
207m
Pb
82
1.6334
206.977651
+13/2
806 Millisekunden (ms)
it
100%
209
Bi
83
0
208.980399
-9/2
100
19.2 Trillionen Jahre
α
100%
211
Po
84
0
210.986653
+9/2
0.00000000056619
516 Millisekunden (ms)
α
100%
211m
Po
84
1.462
210.988223
+25/2
25.2 Sekunden
α
99.98%
it
0.02%
211m
Po
84
2.1357
210.988946
-31/2
243 Nanosekunden (ns)
it
100%
211m
Po
84
4.8733
210.991885
+43/2
2.8 Mikrosekunden (μs)
it
100%
213
At
85
0
212.992937
-9/2
125 Nanosekunden (ns)
α
100%
215
Rn
86
0
214.998745
+9/2
2.3 Mikrosekunden (μs)
α
100%
217
Fr
87
0
217.004631
-9/2
19 Mikrosekunden (μs)
α
100%
219
Ra
88
0
219.010085
+7/2
10 Millisekunden (ms)
α
100%
221
Ac
89
0
221.015591
-3/2
52 Millisekunden (ms)
α
100%
223
Th
90
0
223.020811
+5/2
600 Millisekunden (ms)
α
100%
225
Pa
91
0
225.026131
-5/2
1.7 Sekunden
α
100%
227
U
92
0
227.031156
+3/2
1 Minuten 6 Sekunden
α
100%
229
Np
93
0
229.036263
-5/2
4 Minuten
α
68%
ε
32%
231
Pu
94
0
231.041101
+3/2
8 Minuten 36 Sekunden
ε
99.5%
α
0.5%
233
Am
95
0
233.046348
-5/2
3 Minuten 12 Sekunden
ε
97%
α
3%
235
Cm
96
0
235.051434
+5/2
5 Minuten
ε
>0%
α
>0%
237
Bk
97
0
237.057003
+7/2
1 Minuten
ε
100%
α
>0%
239
Cf
98
0
239.062421
+5/2
39 Sekunden
α
100%
ε
>0%
241
Es
99
0
241.068538
-3/2
8 Sekunden
ε
100%
α
>0%
243
Fm
100
0
243.074353
-7/2
180 Millisekunden (ms)
α
100%
f
>0%
ε
>0%
245
Md
101
0
245.080829
-1/2
900 Mikrosekunden (μs)
f
100%
245m
Md
101
0.3
245.081151
+7/2
350 Millisekunden (ms)
α
100%
ε
>0%