Das Periodensystem der Elemente online
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Nuklide nach Selektion gefunden: 50
Nuklid
Level
(MeV)
Atommasse (u)
Spin
% nat.
Halbwertszeit
Zerfall
%
130
Ag
47
0
129.950448
unbekannt
50 Millisekunden (ms)
β
-
>0%
nβ
-
>0%
131
Cd
48
0
130.94067
-7/2
68 Millisekunden (ms)
β
-
96.5%
nβ
-
3.5%
132
In
49
0
131.93299
-7
207 Millisekunden (ms)
β
-
93.7%
nβ
-
3.7%
133
Sn
50
0
132.923829
-7/2
1.45 Sekunden
β
-
99.92%
nβ
-
0.08%
134
Sb
51
0
133.92038
0
780 Millisekunden (ms)
β
-
100%
134m
Sb
51
0.08
133.920466
-7
10.07 Sekunden
β
-
99.91%
nβ
-
0.09%
135
Te
52
0
134.916449
-7/2
19 Sekunden
β
-
100%
135m
Te
52
1.5549
134.918119
-19/2
511 Nanosekunden (ns)
it
100%
136
I
53
0
135.914654
-1
1 Minuten 23.4 Sekunden
β
-
100%
136m
I
53
0.64
135.915341
-6
46.9 Sekunden
β
-
100%
137
Xe
54
0
136.911563
-7/2
3 Minuten 49.08 Sekunden
β
-
100%
138
Cs
55
0
137.911017
-3
33 Minuten 24.6 Sekunden
β
-
100%
138m
Cs
55
0.0799
137.911102
-6
2 Minuten 54.6 Sekunden
it
81%
β
-
19%
139
Ba
56
0
138.908841
-7/2
1 Stunden 23 Minuten 3.6 Sekunden
β
-
100%
140
La
57
0
139.909478
-3
1 Tage 16 Stunden 17 Minuten 7 Sekunden
β
-
100%
141
Ce
58
0
140.908276
-7/2
32 Tage 12 Stunden
β
-
100%
142
Pr
59
0
141.910046
-2
19 Stunden 7 Minuten 12 Sekunden
β
-
99.98%
ε
0.02%
142m
Pr
59
0.0037
141.91005
-5
14 Minuten 36 Sekunden
it
100%
142m
Pr
59
0.9114
141.911024
+9
61 Nanosekunden (ns)
it
100%
143
Nd
60
0
142.909814
-7/2
12.18
stabil
144
Pm
61
0
143.912591
-5
363 Tage
ε
100%
144m
Pm
61
0.8409
143.913494
+9
780 Nanosekunden (ns)
it
100%
144m
Pm
61
8.5958
143.921819
+27
2.7 Mikrosekunden (μs)
it
100%
145
Sm
62
0
144.913411
-7/2
340 Tage
ε
100%
145m
Sm
62
8.7862
144.922844
+49/2
960 Nanosekunden (ns)
it
100%
146
Eu
63
0
145.917206
-4
4 Tage 14 Stunden 38 Minuten
ε
100%
146m
Eu
63
0.6664
145.917921
+9
235 Mikrosekunden (μs)
it
100%
147
Gd
64
0
146.919094
-7/2
1 Tage 14 Stunden 3 Minuten
ε
100%
147m
Gd
64
8.5878
146.928314
+49/2
510 Nanosekunden (ns)
it
100%
148
Tb
65
0
147.924272
-2
1 Stunden
ε
100%
148m
Tb
65
0.0901
147.924368
+9
2 Minuten 12 Sekunden
ε
100%
148m
Tb
65
8.6186
147.933621
+27
1.3 Mikrosekunden (μs)
it
100%
149
Dy
66
0
148.927305
-7/2
4 Minuten 12 Sekunden
ε
100%
149m
Dy
66
2.6611
148.930162
-27/2
490 Millisekunden (ms)
it
99.3%
ε
0.7%
150
Ho
67
0
149.933496
-2
1 Minuten 12 Sekunden
ε
100%
150m
Ho
67
0.8
149.934355
+9
23.3 Sekunden
ε
100%
151
Er
68
0
150.93745
-7/2
23 Sekunden
ε
100%
151m
Er
68
2.586
150.940226
-27/2
580 Millisekunden (ms)
it
95.3%
ε
4.7%
151m
Er
68
10.2866
150.948493
-67/2
420 Nanosekunden (ns)
it
100%
152
Tm
69
0
151.944422
-2
8 Sekunden
ε
100%
152m
Tm
69
0.1
151.944529
+9
5.2 Sekunden
ε
100%
152m
Tm
69
2.5551
151.947165
+17
294 Nanosekunden (ns)
it
100%
153
Yb
70
0
152.94948
-7/2
4.2 Sekunden
α
60%
ε
40%
153m
Yb
70
2.7
152.952379
-27/2
15 Mikrosekunden (μs)
it
100%
154
Lu
71
0
153.957522
-2
2 Sekunden
ε
>0%
α
>0%
154m
Lu
71
0.058
153.957584
+9
1.12 Sekunden
ε
100%
154m
Lu
71
2.562
153.960272
+17
35 Mikrosekunden (μs)
it
100%
155
Hf
72
0
154.96339
-7/2
890 Millisekunden (ms)
ε
100%
156
Ta
73
0
155.972304
-2
144 Millisekunden (ms)
p
100%
ε
>0%
156m
Ta
73
0.102
155.972413
+9
360 Millisekunden (ms)
ε
95.8%
p
4.2%