Das Periodensystem der Elemente online
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Nuklide nach Selektion gefunden: 80
Nuklid
Level
(MeV)
Atommasse (u)
Spin
% nat.
Halbwertszeit
Zerfall
%
127
Ag
47
0
126.93677
-1/2
79 Millisekunden (ms)
β
-
>0%
nβ
-
>0%
129
Cd
48
0
128.93215
+3/2
270 Millisekunden (ms)
β
-
100%
129m
Cd
48
0.1
128.932257
-11/2
104 Millisekunden (ms)
it
100%
131
In
49
0
130.926852
+9/2
280 Millisekunden (ms)
β
-
98.5%
nβ
1.5%
131m
In
49
0.302
130.927176
-1/2
350 Millisekunden (ms)
β
-
97.98%
nβ
-
0.02%
it
2%
131m
In
49
3.764
130.930893
+23/2
320 Millisekunden (ms)
β
-
99%
nβ
-
0.03%
it
0.97%
133
Sn
50
0
132.923829
-7/2
1.45 Sekunden
β
-
99.92%
nβ
-
0.08%
135
Sb
51
0
134.925166
+7/2
1.679 Sekunden
β
-
78%
nβ
-
22%
137
Te
52
0
136.925323
-7/2
2.49 Sekunden
β
-
96.01%
nβ
-
2.99%
139
I
53
0
138.9261
+7/2
2.28 Sekunden
β
-
90%
nβ
-
10%
141
Xe
54
0
140.926648
-5/2
1.73 Sekunden
β
-
99.96%
nβ
0.04%
143
Cs
55
0
142.927352
+3/2
1.791 Sekunden
β
-
98.36%
nβ
-
1.64%
145
Ba
56
0
144.927628
-5/2
4.31 Sekunden
β
-
100%
147
La
57
0
146.928237
+5/2
4.015 Sekunden
β
-
99.96%
nβ
-
0.04%
149
Ce
58
0
148.9284
-3/2
5.3 Sekunden
β
-
100%
151
Pr
59
0
150.928319
-3/2
18.9 Sekunden
β
-
100%
153
Nd
60
0
152.927699
-3/2
31.6 Sekunden
β
-
100%
155
Pm
61
0
154.928101
-5/2
41.5 Sekunden
β
-
100%
157
Sm
62
0
156.928359
-3/2
8 Minuten 1.8 Sekunden
β
-
100%
159
Eu
63
0
158.929089
+5/2
18 Minuten 6 Sekunden
β
-
100%
161
Gd
64
0
160.929669
-5/2
3 Minuten 39.6 Sekunden
β
-
100%
163
Tb
65
0
162.930648
+3/2
19 Minuten 30 Sekunden
β
-
100%
165
Dy
66
0
164.931703
+5/2
2 Stunden 20 Minuten 2 Sekunden
β
-
100%
165m
Dy
66
0.1082
164.93182
-1/2
1 Minuten 15.42 Sekunden
it
97.76%
β
-
2.24%
167
Ho
67
0
166.933133
-7/2
3 Stunden 10.800000000001 Sekunden
β
-
100%
167m
Ho
67
0.2593
166.933411
+7/2
6 Mikrosekunden (μs)
it
100%
169
Er
68
0
168.934591
-1/2
9 Tage 9 Stunden 24 Minuten
β
-
100%
171
Tm
69
0
170.936429
+1/2
1 Jahre 336 Tage
β
-
100%
171m
Tm
69
0.425
170.936886
-7/2
2.6 Mikrosekunden (μs)
it
100%
173
Yb
70
0
172.938211
-5/2
16.13
stabil
173m
Yb
70
0.3989
172.938639
-1/2
2.9 Mikrosekunden (μs)
it
100%
175
Lu
71
0
174.940772
+7/2
97.41
stabil
175m
Lu
71
1.3922
174.942266
+19/2
984 Mikrosekunden (μs)
it
100%
175m
Lu
71
3.5348
174.944567
-5/2
1.5 Mikrosekunden (μs)
it
100%
177
Hf
72
0
176.943221
-7/2
18.6
stabil
177m
Hf
72
1.3155
176.944633
+23/2
1.09 Sekunden
it
100%
177m
Hf
72
1.3424
176.944662
-19/2
55.6 Mikrosekunden (μs)
it
100%
177m
Hf
72
2.74
176.946163
-37/2
51 Minuten 24 Sekunden
it
100%
179
Ta
73
0
178.94593
+7/2
1 Jahre 299 Tage
ε
100%
179m
Ta
73
0.0307
178.945963
-9/2
1.4 Mikrosekunden (μs)
it
100%
179m
Ta
73
0.5202
178.946488
+1/2
335 Nanosekunden (ns)
it
100%
179m
Ta
73
1.2526
178.947275
-23/2
322 Nanosekunden (ns)
it
100%
179m
Ta
73
1.3173
178.947344
+25/2
9 Millisekunden (ms)
it
100%
179m
Ta
73
1.3279
178.947355
-23/2
1.6 Mikrosekunden (μs)
it
100%
179m
Ta
73
2.6393
178.948763
+37/2
54.1 Millisekunden (ms)
it
100%
181
W
74
0
180.948198
+9/2
121 Tage 4 Stunden
ε
100%
183
Re
75
0
182.95082
+5/2
70 Tage
ε
100%
183m
Re
75
1.9076
182.952868
+25/2
1 Millisekunden (ms)
it
100%
185
Os
76
0
184.954043
-1/2
93 Tage 14 Stunden
ε
100%
185m
Os
76
0.1023
184.954152
-7/2
3 Mikrosekunden (μs)
it
100%
185m
Os
76
0.2757
184.954339
+11/2
780 Nanosekunden (ns)
it
100%
187
Ir
77
0
186.957363
+3/2
10 Stunden 30 Minuten
ε
100%
187m
Ir
77
0.1862
186.957563
-9/2
30.3 Millisekunden (ms)
it
100%
187m
Ir
77
0.4338
186.957829
-11/2
152 Nanosekunden (ns)
it
100%
189
Pt
78
0
188.960834
-3/2
10 Stunden 52 Minuten 12 Sekunden
ε
100%
189m
Pt
78
0.1728
188.961019
-9/2
464 Nanosekunden (ns)
it
100%
189m
Pt
78
0.1916
188.961039
+13/2
143 Mikrosekunden (μs)
it
100%
191
Au
79
0
190.963705
+3/2
3 Stunden 10 Minuten 48 Sekunden
ε
100%
191m
Au
79
0.2662
190.96399
-11/2
920 Millisekunden (ms)
it
100%
193
Hg
80
0
192.966666
-3/2
3 Stunden 48 Minuten
ε
100%
193m
Hg
80
0.1408
192.966818
+13/2
11 Stunden 48 Minuten
ε
92.8%
it
7.2%
195
Tl
81
0
194.969774
+1/2
1 Stunden 9 Minuten 36 Sekunden
ε
100%
195m
Tl
81
0.4826
194.970292
-9/2
3.6 Sekunden
it
100%
197
Pb
82
0
196.973431
-3/2
8 Minuten 6 Sekunden
ε
100%
197m
Pb
82
0.3193
196.973774
+13/2
42 Minuten 54 Sekunden
ε
81%
it
19%
197m
Pb
82
1.9141
196.975486
-23/2
1.2 Mikrosekunden (μs)
it
100%
199
Bi
83
0
198.977672
-9/2
27 Minuten
ε
100%
199m
Bi
83
0.667
198.978388
+1/2
24 Minuten 42 Sekunden
ε
99%
it
1%
α
0.01%
199m
Bi
83
1.947
198.979763
+25/2
100 Nanosekunden (ns)
it
100%
199m
Bi
83
2.55
198.98041
-29/2
168 Nanosekunden (ns)
it
100%
201
Po
84
0
200.982261
-3/2
15 Minuten 36 Sekunden
ε
98.7%
α
1.13%
201m
Po
84
0.4241
200.982716
+13/2
8 Minuten 57.6 Sekunden
it
56%
ε
41.4%
α
2.4%
203
At
85
0
202.986942
-9/2
7 Minuten 24 Sekunden
ε
69%
α
31%
205
Rn
86
0
204.991719
-5/2
2 Minuten 50 Sekunden
ε
75.4%
α
24.6%
207
Fr
87
0
206.996949
-9/2
14.8 Sekunden
α
95%
ε
5%
209
Ra
88
0
209.001991
-5/2
4.6 Sekunden
α
90%
ε
10%
211
Ac
89
0
211.007735
-9/2
210 Millisekunden (ms)
α
100%
213
Th
90
0
213.013009
-5/2
144 Millisekunden (ms)
α
100%
215
Pa
91
0
215.019186
-9/2
14 Millisekunden (ms)
α
100%
217
U
92
0
217.024369
-1/2
16 Millisekunden (ms)
α
100%