Das Periodensystem der Elemente online
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Nuklide nach Selektion gefunden: 75
Nuklid
Level
(MeV)
Atommasse (u)
Spin
% nat.
Halbwertszeit
Zerfall
%
128
Ag
47
0
127.94117
unbekannt
58 Millisekunden (ms)
β
-
>0%
nβ
-
>0%
130
Cd
48
0
129.933903
0
162 Millisekunden (ms)
β
-
96.5%
nβ
-
3.5%
132
In
49
0
131.93299
-7
207 Millisekunden (ms)
β
-
93.7%
nβ
-
3.7%
134
Sn
50
0
133.928292
0
1.05 Sekunden
β
-
83%
nβ
-
17%
136
Sb
51
0
135.93035
-1
923 Millisekunden (ms)
β
-
83.7%
nβ
-
16.3%
136m
Sb
51
0.173
135.930535
-6
570 Nanosekunden (ns)
it
100%
138
Te
52
0
137.92922
0
1.4 Sekunden
β
-
93.7%
nβ
-
6.3%
140
I
53
0
139.931
-4
860 Millisekunden (ms)
β
-
90.7%
nβ
-
9.3%
142
Xe
54
0
141.92971
0
1.25 Sekunden
β
-
99.79%
nβ
-
0.79%
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%
146
Ba
56
0
145.93022
0
2.22 Sekunden
β
-
100%
148
La
57
0
147.932229
-2
1.26 Sekunden
β
-
99.85%
nβ
-
0.15%
150
Ce
58
0
149.930409
0
4 Sekunden
β
-
100%
152
Pr
59
0
151.931499
-4
3.63 Sekunden
β
-
100%
154
Nd
60
0
153.929477
0
25.9 Sekunden
β
-
100%
154m
Nd
60
0.48
153.929993
+3
1.3 Mikrosekunden (μs)
it
100%
154m
Nd
60
1.349
153.930925
-5
1 Mikrosekunden (μs)
it
100%
156
Pm
61
0
155.931057
-4
26.7 Sekunden
β
-
100%
158
Sm
62
0
157.929991
0
5 Minuten 18 Sekunden
β
-
100%
160
Eu
63
0
159.931971
+1
38 Sekunden
β
-
100%
162
Gd
64
0
161.930985
0
8 Minuten 24 Sekunden
β
-
100%
164
Tb
65
0
163.933351
+5
3 Minuten
β
-
100%
166
Dy
66
0
165.932807
0
3 Tage 9 Stunden 36 Minuten
β
-
100%
168
Ho
67
0
167.935516
+3
2 Minuten 59.4 Sekunden
β
-
100%
168m
Ho
67
0.059
167.935579
+6
2 Minuten 12 Sekunden
it
99.5%
β
-
0.5%
168m
Ho
67
0.1434
167.93567
-1
5 Mikrosekunden (μs)
it
100%
168m
Ho
67
0.1926
167.935723
+1
108 Nanosekunden (ns)
it
100%
170
Er
68
0
169.935464
0
14.91
stabil
172
Tm
69
0
171.9384
-2
2 Tage 15 Stunden 36 Minuten
β
-
100%
174
Yb
70
0
173.938863
0
31.83
stabil
174m
Yb
70
1.5181
173.940492
+6
830 Mikrosekunden (μs)
it
100%
176
Lu
71
0
175.942687
-7
2.59
37.6 Milliarden Jahre
β
-
100%
176m
Lu
71
0.1228
175.942819
-1
3 Stunden 39 Minuten 50 Sekunden
β
-
99.91%
it
0.09%
178
Hf
72
0
177.943699
0
27.28
stabil
178m
Hf
72
1.1474
177.944931
-8
4 Sekunden
it
100%
178m
Hf
72
2.4461
177.946325
+16
31 Jahre
it
100%
178m
Hf
72
2.5735
177.946461
+14
68 Mikrosekunden (μs)
it
100%
180
Ta
73
0
179.947465
+1
8 Stunden 9 Minuten 14 Sekunden
ε
86%
β
-
14%
180m
Ta
73
0.0771
179.947548
-9
0.0123
stabil
180m
Ta
73
1.4524
179.949024
-15
31.2 Mikrosekunden (μs)
it
>0%
β
-
>0%
ε
>0%
180m
Ta
73
3.679
179.951414
-22
2 Mikrosekunden (μs)
it
>0%
β
-
>0%
ε
>0%
182
W
74
0
181.948204
0
26.5
8.3 Trillionen Jahre
α
100%
184
Re
75
0
183.952521
-3
38 Tage
ε
100%
184m
Re
75
0.188
183.952723
+8
169 Tage
it
75.4%
ε
24.6%
186
Os
76
0
185.953839
0
1.59
2 Billiarden Jahre
α
100%
188
Ir
77
0
187.958853
-1
1 Tage 17 Stunden 30 Minuten
ε
100%
188m
Ir
77
0.97
187.959894
+7
4.2 Millisekunden (ms)
it
100%
190
Pt
78
0
189.959932
0
0.014
650 Milliarden Jahre
α
100%
192
Au
79
0
191.964813
-1
4 Stunden 56 Minuten 24 Sekunden
ε
100%
192m
Au
79
0.1354
191.964958
+5
29 Millisekunden (ms)
it
100%
192m
Au
79
0.4316
191.965276
-11
160 Millisekunden (ms)
it
100%
194
Hg
80
0
193.965439
0
444 Jahre
ε
100%
196
Tl
81
0
195.970482
-2
1 Stunden 50 Minuten 24 Sekunden
ε
100%
196m
Tl
81
0.3942
195.970905
+7
1 Stunden 24 Minuten 36 Sekunden
ε
96.2%
it
3.8%
198
Pb
82
0
197.972034
0
2 Stunden 24 Minuten
ε
100%
198m
Pb
82
2.1414
197.974333
-7
4.2 Mikrosekunden (μs)
it
100%
198m
Pb
82
2.2314
197.974429
-9
137 Nanosekunden (ns)
it
100%
198m
Pb
82
2.8205
197.975062
+12
212 Nanosekunden (ns)
it
100%
200
Bi
83
0
199.978132
+7
36 Minuten 24 Sekunden
ε
100%
200m
Bi
83
0.1
199.978143
+2
31 Minuten
ε
100%
it
>0%
200m
Bi
83
0.4282
199.978592
-10
400 Millisekunden (ms)
it
100%
202
Po
84
0
201.980758
0
44 Minuten 36 Sekunden
ε
98.08%
α
1.92%
202m
Po
84
2.6267
201.983578
-11
1 Mikrosekunden (μs)
it
100%
204
At
85
0
203.987251
+7
9 Minuten 12 Sekunden
ε
96.2%
α
3.8%
204m
At
85
0.587
203.987882
-10
108 Millisekunden (ms)
it
100%
206
Rn
86
0
205.990215
0
5 Minuten 40.2 Sekunden
α
62%
ε
38%
208
Fr
87
0
207.997139
+7
59.1 Sekunden
α
89%
ε
11%
210
Ra
88
0
210.000495
0
3.7 Sekunden
α
96%
ε
4%
210m
Ra
88
1.8
210.002427
+8
2.2 Mikrosekunden (μs)
it
100%
212
Ac
89
0
212.007814
+6
930 Millisekunden (ms)
α
57%
ε
43%
214
Th
90
0
214.011499
0
100 Millisekunden (ms)
α
100%
216
Pa
91
0
216.019109
unbekannt
150 Millisekunden (ms)
α
98%
ε
2%
218
U
92
0
218.023535
0
510 Mikrosekunden (μs)
α
100%
218m
U
92
2.105
218.025795
+8
560 Mikrosekunden (μs)
α
100%