Das Periodensystem der Elemente online
Startseite
Nuklidkarte
Rechenhilfen
Listen
Nuklidliste
Nuklide nach Selektion gefunden: 47
Nuklid
Level
(MeV)
Atommasse (u)
Spin
% nat.
Halbwertszeit
Zerfall
%
119
Ce
58
0
118.952721
+5/2
200 Millisekunden (ms)
ε
>0%
pε
>0%
p
>0%
120
Ce
58
0
119.946639
0
250 Millisekunden (ms)
ε
>0%
pε
>0%
p
>0%
121
Ce
58
0
120.94342
+5/2
1.1 Sekunden
ε
99%
pε
1%
122
Ce
58
0
121.937911
0
2 Sekunden
ε
>0%
pε
>0%
123
Ce
58
0
122.935399
+5/2
3.8 Sekunden
ε
>0%
pε
>0%
124
Ce
58
0
123.93041
0
6 Sekunden
ε
100%
125
Ce
58
0
124.92844
+5/2
10.2 Sekunden
ε
>0%
pε
>0%
126
Ce
58
0
125.923971
0
51 Sekunden
ε
100%
127
Ce
58
0
126.922731
+5/2
31 Sekunden
ε
100%
128
Ce
58
0
127.918912
0
3 Minuten 55.8 Sekunden
ε
100%
129
Ce
58
0
128.918102
+5/2
3 Minuten 30 Sekunden
ε
100%
130
Ce
58
0
129.914736
0
22 Minuten 54 Sekunden
ε
100%
131
Ce
58
0
130.914422
+7/2
10 Minuten 18 Sekunden
ε
100%
131m
Ce
58
0.0631
130.91449
+1/2
5 Minuten 24 Sekunden
ε
>0%
it
>0%
132
Ce
58
0
131.911461
0
3 Stunden 30 Minuten 36 Sekunden
ε
100%
132m
Ce
58
2.3411
131.913974
-8
9.4 Millisekunden (ms)
it
100%
133
Ce
58
0
132.911515
+1/2
1 Stunden 37 Minuten
ε
100%
133m
Ce
58
0.0371
132.911555
-9/2
4 Stunden 54 Minuten
ε
100%
134
Ce
58
0
133.908925
0
3 Tage 3 Stunden 50 Minuten
ε
100%
135
Ce
58
0
134.909152
+1/2
17 Stunden 42 Minuten
ε
100%
135m
Ce
58
0.4458
134.909631
-11/2
20 Sekunden
it
100%
136
Ce
58
0
135.907173
0
0.185
70 Billionen Jahre
2ε
100%
136m
Ce
58
3.0955
135.910496
+10
2.2 Mikrosekunden (μs)
it
100%
137
Ce
58
0
136.907806
+3/2
9 Stunden
ε
100%
137m
Ce
58
0.2543
136.908079
-11/2
1 Tage 10 Stunden 24 Minuten
it
99.21%
ε
0.79%
138
Ce
58
0
137.905991
0
0.251
90 Billionen Jahre
2ε
100%
139
Ce
58
0
138.906653
+3/2
137 Tage 15 Stunden
ε
100%
139m
Ce
58
0.7542
138.907463
-11/2
54.8 Sekunden
it
100%
140
Ce
58
0
139.905439
0
88.45
stabil
141
Ce
58
0
140.908276
-7/2
32 Tage 12 Stunden
β
-
100%
142
Ce
58
0
141.909245
0
11.114
50 Billiarden Jahre
2β
-
100%
143
Ce
58
0
142.912386
-3/2
33.03 Sekunden
β
-
100%
144
Ce
58
0
143.913647
0
284 Tage 21 Stunden
β
-
100%
145
Ce
58
0
144.917234
-5/2
3 Minuten 600 Millisekunden (ms)
β
-
100%
146
Ce
58
0
145.918759
0
13 Minuten 31.2 Sekunden
β
-
100%
147
Ce
58
0
146.922675
-5/2
56.4 Sekunden
β
-
100%
148
Ce
58
0
147.924432
0
56 Sekunden
β
-
100%
149
Ce
58
0
148.9284
-3/2
5.3 Sekunden
β
-
100%
150
Ce
58
0
149.930409
0
4 Sekunden
β
-
100%
151
Ce
58
0
150.933977
+5/2
1.76 Sekunden
β
-
100%
151m
Ce
58
0.1
150.934084
-7/2
1.02 Sekunden
β
-
100%
152
Ce
58
0
151.93654
0
1.4 Sekunden
β
-
100%
153
Ce
58
0
152.94058
-3/2
500 Millisekunden (ms)
β
-
>0%
nβ
-
>0%
154
Ce
58
0
153.94342
0
300 Millisekunden (ms)
β
-
>0%
nβ
-
>0%
155
Ce
58
0
154.94804
-5/2
200 Millisekunden (ms)
β
-
>0%
nβ
-
>0%
156
Ce
58
0
155.95126
0
150 Millisekunden (ms)
β
-
>0%
nβ
-
>0%
157
Ce
58
0
156.95634
+7/2
50 Millisekunden (ms)
β
-
>0%
nβ
-
>0%