Das Periodensystem der Elemente online
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Nuklide nach Selektion gefunden: 48
Nuklid
Level
(MeV)
Atommasse (u)
Spin
% nat.
Halbwertszeit
Zerfall
%
141
Te
52
0
140.94465
-5/2
100 Nanosekunden (ns)
β
-
>0%
nβ
-
>0%
142
I
53
0
141.94018
-2
200 Millisekunden (ms)
β
-
>0%
nβ
-
>0%
143
Xe
54
0
142.93511
-5/2
511 Millisekunden (ms)
β
-
99%
nβ
-
1%
144
Cs
55
0
143.932077
+1
994 Millisekunden (ms)
β
-
96.8%
nβ
-
3.2%
144m
Cs
55
0.3
143.932109
+4
unbekannt
it
100%
145
Ba
56
0
144.927628
-5/2
4.31 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
Ce
58
0
146.922675
-5/2
56.4 Sekunden
β
-
100%
148
Pr
59
0
147.922135
-1
2 Minuten 17.4 Sekunden
β
-
100%
148m
Pr
59
0.09
147.922232
+4
2 Minuten 600 Millisekunden (ms)
β
-
100%
149
Nd
60
0
148.920149
-5/2
1 Stunden 43 Minuten 40.8 Sekunden
β
-
100%
150
Pm
61
0
149.921207
+5/2
1 Tage 4 Stunden 30 Minuten
β
-
100%
151
Sm
62
0
150.919933
-5/2
90 Jahre
β
-
100%
151m
Sm
62
0.2611
150.920213
-11/2
1.4 Mikrosekunden (μs)
it
100%
152
Eu
63
0
151.921745
-3
13 Jahre 196 Tage
ε
72.1%
β
-
27.9%
152m
Eu
63
0.0456
151.921794
0
9 Stunden 18 Minuten 42 Sekunden
β
-
72%
ε
28%
152m
Eu
63
0.0653
151.921864
-1
940 Nanosekunden (ns)
it
100%
152m
Eu
63
0.0782
151.921829
+1
165 Nanosekunden (ns)
it
100%
152m
Eu
63
0.0899
151.921842
+4
384 Nanosekunden (ns)
it
100%
152m
Eu
63
0.1479
151.921904
-8
1 Stunden 36 Minuten
it
100%
153
Gd
64
0
152.92175
-3/2
240 Tage 9 Stunden
ε
100%
153m
Gd
64
0.0952
152.921853
+9/2
3.5 Mikrosekunden (μs)
it
100%
153m
Gd
64
0.1712
152.921934
-11/2
76 Mikrosekunden (μs)
it
100%
154
Tb
65
0
153.924678
0
21 Stunden 30 Minuten
ε
99.9%
β
-
0.1%
154m
Tb
65
0.012
153.924691
-3
9 Stunden 24 Minuten
ε
78.2%
it
21.8%
154m
Tb
65
0.2
153.924893
-7
22 Stunden 42 Minuten
ε
98.2%
it
1.8%
155
Dy
66
0
154.925754
-3/2
9 Stunden 54 Minuten
ε
100%
155m
Dy
66
0.2343
154.926005
-11/2
6 Mikrosekunden (μs)
it
100%
156
Ho
67
0
155.92984
-4
56 Minuten
ε
100%
156m
Ho
67
0.0524
155.929896
-1
9.5 Sekunden
it
100%
156m
Ho
67
0.1
155.929947
+9
7 Minuten 48 Sekunden
ε
75%
it
25%
157
Er
68
0
156.931917
-3/2
18 Minuten 39 Sekunden
ε
100%
α
>0%
157m
Er
68
0.1554
156.932084
+9/2
76 Millisekunden (ms)
it
100%
158
Tm
69
0
157.93698
-2
3 Minuten 58.8 Sekunden
ε
100%
158m
Tm
69
0.05
157.937033
+5
20 Nanosekunden (ns)
it
100%
159
Yb
70
0
158.94005
-5/2
1 Minuten 40.2 Sekunden
ε
100%
160
Lu
71
0
159.946034
-2
36.1 Sekunden
ε
100%
α
1e-4%
160m
Lu
71
0.1
159.946141
unbekannt
40 Sekunden
ε
100%
161
Hf
72
0
160.950275
-3/2
18.2 Sekunden
ε
99.87%
α
0.13%
162
Ta
73
0
161.957292
+3
3.57 Sekunden
ε
99.93%
α
0.07%
163
W
74
0
162.962524
-7/2
2.8 Sekunden
ε
87%
α
13%
164
Re
75
0
163.970323
+9
530 Millisekunden (ms)
α
58%
ε
42%
164m
Re
75
0.12
163.970452
-2
530 Millisekunden (ms)
α
100%
165
Os
76
0
164.976762
-7/2
71 Millisekunden (ms)
α
60%
ε
40%
166
Ir
77
0
165.985824
-2
10.5 Millisekunden (ms)
α
93%
p
7%
166m
Ir
77
0.172
165.986009
+9
15.1 Millisekunden (ms)
α
98.2%
p
1.8%
167
Pt
78
0
166.992979
-7/2
900 Mikrosekunden (μs)
α
100%