Das Periodensystem der Elemente online
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Nuklide nach Selektion gefunden: 23
Nuklid
Level
(MeV)
Atommasse (u)
Spin
% nat.
Halbwertszeit
Zerfall
%
205
Pt
78
0
204.98621
unbekannt
β
-
100%
205
Au
79
0
204.97987
+3/2
31 Sekunden
β
-
100%
205
Hg
80
0
204.976073
-1/2
5 Minuten 8.4 Sekunden
β
-
100%
205m
Hg
80
1.5564
204.977744
+13/2
1.1 Millisekunden (ms)
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%
205
Pb
82
0
204.974482
-5/2
173000 Jahre
ε
100%
205m
Pb
82
0.0023
204.974484
-1/2
2.4 Mikrosekunden (μs)
it
100%
205m
Pb
82
1.0138
204.97557
+13/2
5.6 Millisekunden (ms)
it
100%
205m
Pb
82
3.1957
204.977912
-25/2
217 Nanosekunden (ns)
it
100%
205
Bi
83
0
204.977389
-9/2
15 Tage 7 Stunden
ε
100%
205
Po
84
0
204.981203
-5/2
1 Stunden 44 Minuten 24 Sekunden
ε
99.96%
α
0.04%
205m
Po
84
0.1432
204.981357
-1/2
310 Nanosekunden (ns)
it
100%
205m
Po
84
0.8803
204.982148
+13/2
645 Mikrosekunden (μs)
it
100%
205m
Po
84
1.4612
204.982772
-19/2
57.4 Millisekunden (ms)
it
100%
205m
Po
84
3.0872
204.984518
-29/2
115 Nanosekunden (ns)
it
100%
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%
205
Rn
86
0
204.991719
-5/2
2 Minuten 50 Sekunden
ε
75.4%
α
24.6%
205
Fr
87
0
204.998594
-9/2
3.8 Sekunden
α
100%
205
Ra
88
0
205.006269
-3/2
210 Millisekunden (ms)
α
100%
ε
>0%
205m
Ra
88
0.31
205.006601
+13/2
170 Millisekunden (ms)
α
100%
ε
>0%