Das Periodensystem der Elemente online
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Nuklide nach Selektion gefunden: 51
Nuklid
Level
(MeV)
Atommasse (u)
Spin
% nat.
Halbwertszeit
Zerfall
%
117
La
57
0
116.950067
+3/2
23.5 Millisekunden (ms)
ε
6.1%
p
93.9%
117m
La
57
0.151
116.950229
+9/2
10 Millisekunden (ms)
p
97.4%
ε
2.6%
118
La
57
0
117.94673
-7
1 Sekunden
ε
>0%
pε
>0%
p
>0%
119
La
57
0
118.940991
-11/2
2 Sekunden
ε
>0%
pε
>0%
p
>0%
120
La
57
0
119.93807
-7
2.8 Sekunden
ε
>0%
pε
>0%
p
>0%
121
La
57
0
120.93301
-11/2
5.3 Sekunden
ε
>0%
pε
>0%
p
>0%
122
La
57
0
121.93071
-7
8.6 Sekunden
ε
>0%
pε
>0%
123
La
57
0
122.92624
-11/2
17 Sekunden
ε
100%
124
La
57
0
123.924575
-7
29.21 Sekunden
ε
100%
124m
La
57
0.1
123.924682
+1
21 Sekunden
ε
100%
125
La
57
0
124.920816
-11/2
1 Minuten 4.8 Sekunden
ε
100%
125m
La
57
0.107
124.920931
+3/2
400 Millisekunden (ms)
it
100%
126
La
57
0
125.919513
+5
54 Sekunden
ε
100%
126m
La
57
0.21
125.919739
-2
20 Sekunden
ε
>0%
it
>0%
127
La
57
0
126.916375
-11/2
5 Minuten 6 Sekunden
ε
100%
127m
La
57
0.0148
126.916391
+3/2
3 Minuten 42 Sekunden
ε
>0%
it
>0%
128
La
57
0
127.915585
+5
5 Minuten 10.8 Sekunden
ε
100%
128m
La
57
0.1
127.915693
-2
1 Minuten 24 Sekunden
ε
100%
129
La
57
0
128.912693
+3/2
11 Minuten 36 Sekunden
ε
100%
129m
La
57
0.1721
128.912878
-11/2
560 Millisekunden (ms)
it
100%
130
La
57
0
129.912369
+3
8 Minuten 42 Sekunden
ε
100%
131
La
57
0
130.91007
+3/2
59 Minuten
ε
100%
131m
La
57
0.3046
130.910397
-11/2
170 Mikrosekunden (μs)
it
100%
132
La
57
0
131.910101
-2
4 Stunden 48 Minuten
ε
100%
132m
La
57
0.1882
131.910303
-6
24 Minuten 18 Sekunden
it
76%
ε
24%
133
La
57
0
132.908218
+5/2
3 Stunden 54 Minuten 43 Sekunden
ε
100%
134
La
57
0
133.908514
+1
6 Minuten 27 Sekunden
ε
100%
135
La
57
0
134.906977
+5/2
19 Stunden 30 Minuten
ε
100%
136
La
57
0
135.907636
+1
9 Minuten 52.2 Sekunden
ε
100%
136m
La
57
0.23
135.907883
+8
114 Millisekunden (ms)
it
100%
137
La
57
0
136.906494
+7/2
60000 Jahre
ε
100%
138
La
57
0
137.907111
+5
0.0902
102 Milliarden Jahre
ε
65.6%
β
-
34.4%
138m
La
57
0.0726
137.90719
+3
115 Nanosekunden (ns)
it
100%
139
La
57
0
138.906353
+7/2
99.9098
stabil
140
La
57
0
139.909478
-3
1 Tage 16 Stunden 17 Minuten 7 Sekunden
β
-
100%
141
La
57
0
140.910962
+7/2
3 Stunden 55 Minuten 12 Sekunden
β
-
100%
142
La
57
0
141.914079
-2
1 Stunden 31 Minuten 6 Sekunden
β
-
100%
143
La
57
0
142.916063
+7/2
14 Minuten 12 Sekunden
β
-
100%
144
La
57
0
143.9196
-3
40.8 Sekunden
β
-
100%
145
La
57
0
144.921646
+5/2
24.8 Sekunden
β
-
100%
146
La
57
0
145.925794
-2
6.27 Sekunden
β
-
100%
146m
La
57
0.13
145.925933
-6
10 Sekunden
β
-
100%
147
La
57
0
146.928237
+5/2
4.015 Sekunden
β
-
99.96%
nβ
-
0.04%
148
La
57
0
147.932229
-2
1.26 Sekunden
β
-
99.85%
nβ
-
0.15%
149
La
57
0
148.934734
-3/2
1.05 Sekunden
β
-
98.57%
nβ
-
1.43%
150
La
57
0
149.93877
-3
510 Millisekunden (ms)
β
-
97.3%
nβ
-
2.7%
151
La
57
0
150.941721
+5/2
300 Millisekunden (ms)
β
-
>0%
nβ
-
>0%
152
La
57
0
151.94625
unbekannt
200 Millisekunden (ms)
β
-
>0%
nβ
-
>0%
153
La
57
0
152.94962
+5/2
150 Millisekunden (ms)
β
-
>0%
nβ
-
>0%
154
La
57
0
153.9545
unbekannt
100 Millisekunden (ms)
β
-
>0%
nβ
-
>0%
155
La
57
0
154.95835
+5/2
60 Millisekunden (ms)
β
-
>0%
nβ
-
>0%