Das Periodensystem der Elemente online
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Nuklide nach Selektion gefunden: 87
Nuklid
Level
(MeV)
Atommasse (u)
Spin
% nat.
Halbwertszeit
Zerfall
%
100
Kr
36
0
99.96114
0
unbekannt
β
-
>0%
nβ
-
>0%
104
Sr
38
0
103.95233
0
unbekannt
β
-
>0%
nβ
-
>0%
106
Y
39
0
105.94979
unbekannt
unbekannt
β
-
>0%
nβ
-
>0%
108
Zr
40
0
107.94396
0
80 Millisekunden (ms)
β
-
>0%
nβ
-
>0%
110
Nb
41
0
109.94244
+2
170 Millisekunden (ms)
β
-
60%
nβ
-
40%
112
Mo
42
0
111.93684
0
unbekannt
β
-
>0%
nβ
-
>0%
114
Tc
43
0
113.93588
unbekannt
150 Millisekunden (ms)
β
-
>0%
nβ
-
>0%
116
Ru
44
0
115.93081
0
400 Millisekunden (ms)
β
-
>0%
nβ
-
>0%
118
Rh
45
0
117.93007
unbekannt
270 Millisekunden (ms)
β
-
96.9%
nβ
-
3.1%
120
Pd
46
0
119.924692
0
500 Millisekunden (ms)
β
-
100%
122
Ag
47
0
121.92353
+3
529 Millisekunden (ms)
β
-
99.81%
nβ
-
0.19%
122m
Ag
47
0.08
121.923616
-9
200 Millisekunden (ms)
β
-
>0%
nβ
-
>0%
it
>0%
124
Cd
48
0
123.917648
0
1.25 Sekunden
β
-
100%
126
In
49
0
125.916464
+3
1.53 Sekunden
β
-
100%
126m
In
49
0.102
125.916573
-8
1.64 Sekunden
β
-
100%
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%
130
Sb
51
0
129.911656
-8
39 Minuten 30 Sekunden
β
-
100%
130m
Sb
51
0.0048
129.911661
+4
6 Minuten 18 Sekunden
β
-
100%
132
Te
52
0
131.908553
0
3 Tage 4 Stunden 53 Minuten
β
-
100%
132m
Te
52
1.9255
131.91062
-7
28.1 Mikrosekunden (μs)
it
100%
132m
Te
52
2.7233
131.911477
+10
3.7 Mikrosekunden (μs)
it
100%
134
I
53
0
133.909745
+4
52 Minuten 30 Sekunden
β
-
100%
134m
I
53
0.3165
133.910085
-8
3 Minuten 31.2 Sekunden
it
97.7%
β
-
2.3%
136
Xe
54
0
135.907219
0
8.857
2.5 Trilliarden Jahre
2β
-
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%
140
Ba
56
0
139.910605
0
12 Tage 18 Stunden
β
-
100%
142
La
57
0
141.914079
-2
1 Stunden 31 Minuten 6 Sekunden
β
-
100%
144
Ce
58
0
143.913647
0
284 Tage 21 Stunden
β
-
100%
146
Pr
59
0
145.917644
-2
24 Minuten 9 Sekunden
β
-
100%
148
Nd
60
0
147.916893
0
5.76
stabil
150
Pm
61
0
149.921207
+5/2
1 Tage 4 Stunden 30 Minuten
β
-
100%
152
Sm
62
0
151.919733
0
26.75
stabil
154
Eu
63
0
153.92298
-3
8 Jahre 216 Tage
β
-
99.98%
ε
0.02%
154m
Eu
63
0.0682
153.923053
+2
2.2 Mikrosekunden (μs)
it
100%
154m
Eu
63
0.1453
153.923136
-8
46 Minuten 18 Sekunden
it
100%
156
Gd
64
0
155.922123
0
20.47
stabil
156m
Gd
64
2.1376
155.924418
-7
1.3 Mikrosekunden (μs)
it
100%
158
Tb
65
0
157.925413
-3
180 Jahre
ε
83.4%
β
-
16.6%
158m
Tb
65
0.1103
157.925532
0
10.7 Sekunden
it
99.39%
ε
0.01%
β
-
0.6%
158m
Tb
65
0.3884
157.92583
-7
40 Mikrosekunden (μs)
it
100%
160
Dy
66
0
159.925198
0
2.34
stabil
162
Ho
67
0
161.929096
+1
15 Minuten
ε
100%
162m
Ho
67
0.1059
161.929209
-6
1 Stunden 7 Minuten
ε
38%
it
62%
164
Er
68
0
163.9292
0
1.601
stabil
166
Tm
69
0
165.933555
+2
7 Stunden 42 Minuten
ε
100%
166m
Tm
69
0.1093
165.933672
-6
340 Millisekunden (ms)
it
100%
168
Yb
70
0
167.933897
0
0.13
200 Trilliarden Jahre
2ε
100%
170
Lu
71
0
169.938475
0
2 Tage 30 Minuten
ε
100%
170m
Lu
71
0.0929
169.938575
-4
670 Millisekunden (ms)
it
100%
172
Hf
72
0
171.939449
0
1 Jahre 317 Tage
ε
100%
172m
Hf
72
2.0056
171.941602
-8
163 Nanosekunden (ns)
it
100%
174
Ta
73
0
173.944454
+3
1 Stunden 8 Minuten 24 Sekunden
ε
100%
176
W
74
0
175.945635
0
2 Stunden 30 Minuten
ε
100%
178
Re
75
0
177.950989
+3
13 Minuten 12 Sekunden
ε
100%
180
Os
76
0
179.952379
0
21 Minuten 30 Sekunden
ε
100%
182
Ir
77
0
181.958076
+5
15 Minuten
ε
100%
184
Pt
78
0
183.959922
0
17 Minuten 18 Sekunden
ε
99.999%
α
0.001%
184m
Pt
78
1.8394
183.961897
-8
1 Millisekunden (ms)
it
100%
186
Au
79
0
185.965954
-3
10 Minuten 42 Sekunden
ε
100%
α
8e-4%
186m
Au
79
0.2278
185.966198
+2
110 Nanosekunden (ns)
it
100%
188
Hg
80
0
187.967577
0
3 Minuten 15 Sekunden
ε
100%
α
3.7e-5%
188m
Hg
80
2.7243
187.970502
+12
134 Nanosekunden (ns)
it
100%
190
Tl
81
0
189.973877
-2
2 Minuten 36 Sekunden
ε
100%
190m
Tl
81
0.13
189.974017
+7
3 Minuten 42 Sekunden
ε
100%
190m
Tl
81
0.29
189.974189
-8
750 Mikrosekunden (μs)
it
100%
190m
Tl
81
0.41
189.974318
-9
unbekannt
it
100%
192
Pb
82
0
191.975786
0
3 Minuten 30 Sekunden
ε
99.9941%
α
5.9e-3%
192m
Pb
82
2.5811
191.978557
+10
164 Nanosekunden (ns)
it
100%
192m
Pb
82
2.6251
191.978604
+12
756 Nanosekunden (ns)
it
100%
192m
Pb
82
2.7435
191.978731
-11
756 Nanosekunden (ns)
it
100%
194
Bi
83
0
193.982834
+3
1 Minuten 35 Sekunden
ε
99.54%
α
0.46%
194m
Bi
83
0.11
193.982952
+6
2 Minuten 5 Sekunden
ε
100%
194m
Bi
83
0.23
193.983081
-10
1 Minuten 55 Sekunden
ε
99.8%
α
0.2%
196
Po
84
0
195.985535
0
5.8 Sekunden
α
98%
ε
2%
196m
Po
84
2.4905
195.988209
-11
890 Nanosekunden (ns)
it
100%
198
At
85
0
197.992837
+3
4.2 Sekunden
α
90%
ε
10%
198m
At
85
0.102
197.992947
-10
1 Sekunden
α
84%
ε
16%
200
Rn
86
0
199.995699
0
1.03 Sekunden
α
86%
ε
14%
202
Fr
87
0
202.003372
+3
300 Millisekunden (ms)
α
100%
202m
Fr
87
0.33
202.003726
-10
290 Millisekunden (ms)
α
100%
204
Ra
88
0
204.0065
0
59 Millisekunden (ms)
α
100%
206
Ac
89
0
206.014505
+3
22 Millisekunden (ms)
α
100%
206m
Ac
89
0.08
206.014591
unbekannt
15 Millisekunden (ms)
α
100%
206m
Ac
89
0.29
206.014816
-10
33 Millisekunden (ms)
α
100%
208
Th
90
0
208.01791
0
1.7 Millisekunden (ms)
α
100%