Das Periodensystem der Elemente online
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Nuklide nach Selektion gefunden: 42
Nuklid
Level
(MeV)
Atommasse (u)
Spin
% nat.
Halbwertszeit
Zerfall
%
124
Pd
46
0
123.93688
0
38 Millisekunden (ms)
β
-
>0%
nβ
-
>0%
125
Ag
47
0
124.93043
+7/2
166 Millisekunden (ms)
β
-
>0%
nβ
-
>0%
126
Cd
48
0
125.922353
0
515 Millisekunden (ms)
β
-
100%
127
In
49
0
126.917353
+9/2
1.09 Sekunden
β
-
99.97%
nβ
-
0.03%
127m
In
49
0.462
126.917849
-1/2
3.67 Sekunden
β
-
99.31%
nβ
-
0.69%
128
Sn
50
0
127.910537
0
59 Minuten 4.2 Sekunden
β
-
100%
128m
Sn
50
2.0915
127.912782
-7
6.5 Sekunden
it
100%
129
Sb
51
0
128.909148
+7/2
4 Stunden 24 Minuten
β
-
100%
129m
Sb
51
1.851
128.911136
-19/2
17 Minuten 42 Sekunden
β
-
85%
it
15%
129m
Sb
51
1.8609
128.911146
-15/2
2 Mikrosekunden (μs)
it
100%
129m
Sb
51
2.1389
128.911445
+23/2
1.1 Mikrosekunden (μs)
it
100%
130
Te
52
0
129.906224
0
34.08
680 Trillionen Jahre
2β
-
100%
130m
Te
52
2.1464
129.908529
-7
115 Nanosekunden (ns)
it
100%
130m
Te
52
2.661
129.909081
+10
1.9 Mikrosekunden (μs)
it
100%
130m
Te
52
4.3754
129.910922
unbekannt
261 Nanosekunden (ns)
it
100%
131
I
53
0
130.906125
+7/2
8 Tage 36 Minuten
β
-
100%
132
Xe
54
0
131.904153
0
26.909
stabil
132m
Xe
54
2.7522
131.907108
+10
8.4 Millisekunden (ms)
it
100%
133
Cs
55
0
132.905452
+7/2
100
stabil
134
Ba
56
0
133.904508
0
2.417
stabil
135
La
57
0
134.906977
+5/2
19 Stunden 30 Minuten
ε
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
Pr
59
0
136.910706
+5/2
1 Stunden 16 Minuten 48 Sekunden
ε
100%
137m
Pr
59
0.5612
136.911308
-11/2
2.7 Mikrosekunden (μs)
it
100%
138
Nd
60
0
137.91195
0
5 Stunden 2 Minuten 24 Sekunden
ε
100%
138m
Nd
60
3.1749
137.915358
+10
410 Nanosekunden (ns)
it
100%
139
Pm
61
0
138.916804
+5/2
4 Minuten 9 Sekunden
ε
100%
139m
Pm
61
0.1887
138.917007
-11/2
180 Millisekunden (ms)
it
99.93%
ε
0.07%
140
Sm
62
0
139.918996
0
14 Minuten 49.2 Sekunden
ε
100%
141
Eu
63
0
140.924931
+5/2
40.7 Sekunden
ε
100%
141m
Eu
63
0.0964
140.925034
-11/2
2.7 Sekunden
it
87%
ε
13%
142
Gd
64
0
141.928116
0
1 Minuten 10.2 Sekunden
ε
100%
143
Tb
65
0
142.935121
-11/2
12 Sekunden
ε
100%
143m
Tb
65
0.1
142.935229
+5/2
20 Sekunden
ε
50%
it
50%
144
Dy
66
0
143.939254
0
9.1 Sekunden
ε
>0%
pε
>0%
145
Ho
67
0
144.9472
-11/2
2.4 Sekunden
ε
100%
145m
Ho
67
0.1
144.947307
+5/2
100 Millisekunden (ms)
it
100%
146
Er
68
0
145.952
0
1.7 Sekunden
pε
100%
147
Tm
69
0
146.960961
-11/2
580 Millisekunden (ms)
ε
85%
p
15%
147m
Tm
69
0.06
146.961025
+3/2
360 Mikrosekunden (μs)
it
100%
148
Yb
70
0
147.96742
0
250 Millisekunden (ms)
ε
>0%
pε
>0%
p
>0%