Das Periodensystem der Elemente online
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Nuklide nach Selektion gefunden: 21
Nuklid
Level
(MeV)
Atommasse (u)
Spin
% nat.
Halbwertszeit
Zerfall
%
203
Pt
78
0
202.979066
-1/2
10 Sekunden
β
-
100%
203
Au
79
0
202.975155
+3/2
1 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%
203
Tl
81
0
202.972344
+1/2
29.52
stabil
203m
Tl
81
3.4
202.975888
+25/2
7.7 Mikrosekunden (μs)
it
100%
203
Pb
82
0
202.973391
-5/2
2 Tage 3 Stunden 55 Minuten
ε
100%
203m
Pb
82
0.8252
202.974277
+13/2
6.21 Sekunden
it
100%
203m
Pb
82
2.9234
202.97653
-25/2
122 Nanosekunden (ns)
it
100%
203m
Pb
82
2.9492
202.976557
-29/2
480 Millisekunden (ms)
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%
203
Po
84
0
202.98142
-5/2
36 Minuten 42 Sekunden
ε
99.89%
α
0.11%
203m
Po
84
0.6417
202.982109
+13/2
45 Sekunden
it
100%
ε
>0%
203
At
85
0
202.986942
-9/2
7 Minuten 24 Sekunden
ε
69%
α
31%
203
Rn
86
0
202.993387
-3/2
44 Sekunden
α
66%
ε
34%
203m
Rn
86
0.362
202.993775
+13/2
26.9 Sekunden
α
75%
ε
25%
203
Fr
87
0
203.000925
-9/2
550 Millisekunden (ms)
α
100%
203
Ra
88
0
203.009272
-3/2
31 Millisekunden (ms)
α
100%
ε
>0%
203m
Ra
88
0.22
203.009508
+13/2
24 Millisekunden (ms)
α
100%
ε
>0%
it
>0%