Das Periodensystem der Elemente online
Startseite
Nuklidkarte
Rechenhilfen
Listen
Nuklidliste
Nuklide nach Selektion gefunden: 81
Nuklid
Level
(MeV)
Atommasse (u)
Spin
% nat.
Halbwertszeit
Zerfall
%
129
Ag
47
0
128.94369
+9/2
46 Millisekunden (ms)
β
-
>0%
nβ
-
>0%
129m
Ag
47
0.05
128.943744
-1/2
160 Millisekunden (ms)
β
-
>0%
nβ
-
>0%
131
Cd
48
0
130.94067
-7/2
68 Millisekunden (ms)
β
-
96.5%
nβ
-
3.5%
133
In
49
0
132.93781
+9/2
165 Millisekunden (ms)
β
-
15%
nβ
-
85%
133m
In
49
0.33
132.938164
-1/2
180 Millisekunden (ms)
β
-
>0%
it
>0%
135
Sn
50
0
134.93473
-7/2
530 Millisekunden (ms)
β
-
79%
nβ
-
21%
137
Sb
51
0
136.93531
+7/2
450 Millisekunden (ms)
β
-
51%
nβ
-
49%
139
Te
52
0
138.93473
-5/2
150 Nanosekunden (ns)
β
-
>0%
nβ
-
>0%
141
I
53
0
140.93503
+7/2
430 Millisekunden (ms)
β
-
78.8%
nβ
-
21.2%
143
Xe
54
0
142.93511
-5/2
511 Millisekunden (ms)
β
-
99%
nβ
-
1%
145
Cs
55
0
144.935527
+3/2
587 Millisekunden (ms)
β
-
85.3%
nβ
-
14.7%
147
Ba
56
0
146.934945
+3/2
893 Millisekunden (ms)
β
-
99.94%
nβ
-
0.06%
149
La
57
0
148.934734
-3/2
1.05 Sekunden
β
-
98.57%
nβ
-
1.43%
151
Ce
58
0
150.933977
+5/2
1.76 Sekunden
β
-
100%
151m
Ce
58
0.1
150.934084
-7/2
1.02 Sekunden
β
-
100%
153
Pr
59
0
152.93384
-5/2
4.28 Sekunden
β
-
100%
155
Nd
60
0
154.932932
-3/2
8.9 Sekunden
β
-
100%
157
Pm
61
0
156.933039
-5/2
10.56 Sekunden
β
-
100%
159
Sm
62
0
158.933211
-5/2
11.37 Sekunden
β
-
100%
161
Eu
63
0
160.93368
+5/2
26 Sekunden
β
-
100%
163
Gd
64
0
162.93399
+7/2
1 Minuten 8 Sekunden
β
-
100%
165
Tb
65
0
164.93488
+3/2
2 Minuten 6.6 Sekunden
β
-
100%
167
Dy
66
0
166.935655
-1/2
6 Minuten 12 Sekunden
β
-
100%
169
Ho
67
0
168.936872
-7/2
4 Minuten 43.2 Sekunden
β
-
100%
171
Er
68
0
170.93803
-5/2
7 Stunden 30 Minuten 58 Sekunden
β
-
100%
171m
Er
68
0.1986
170.938243
-1/2
210 Nanosekunden (ns)
it
100%
173
Tm
69
0
172.939604
+1/2
8 Stunden 14 Minuten 24 Sekunden
β
-
100%
173m
Tm
69
0.3177
172.937798
-7/2
10 Mikrosekunden (μs)
it
100%
175
Yb
70
0
174.941277
-7/2
4 Tage 4 Stunden 26 Minuten
β
-
100%
175m
Yb
70
0.5149
174.94183
-1/2
68.2 Millisekunden (ms)
it
100%
177
Lu
71
0
176.943758
+7/2
6 Tage 15 Stunden 31 Minuten
β
-
100%
177m
Lu
71
0.1504
176.94392
-9/2
130 Nanosekunden (ns)
it
100%
177m
Lu
71
0.5697
176.94437
+1/2
155 Mikrosekunden (μs)
it
100%
177m
Lu
71
0.9702
176.9448
-23/2
160 Tage 10 Stunden
β
-
78.6%
it
21.4%
177m
Lu
71
3.9
176.946874
-39/2
6 Minuten
β
-
>0%
it
>0%
179
Hf
72
0
178.945817
+9/2
13.62
stabil
179m
Hf
72
0.375
178.94622
-1/2
18.67 Sekunden
it
100%
179m
Hf
72
1.1058
178.947004
-25/2
25 Tage 1 Stunden
it
100%
181
Ta
73
0
180.947996
+7/2
99.988
stabil
181m
Ta
73
0.0062
180.948003
-9/2
6.1 Mikrosekunden (μs)
it
100%
181m
Ta
73
0.6152
180.948657
+1/2
18 Mikrosekunden (μs)
it
100%
181m
Ta
73
1.485
180.949591
-23/2
25 Mikrosekunden (μs)
it
100%
181m
Ta
73
2.23
180.95039
-29/2
210 Mikrosekunden (μs)
it
100%
183
W
74
0
182.950223
-1/2
14.31
1.9 Trillionen Jahre
α
100%
183m
W
74
0.3095
182.950555
+11/2
5.2 Sekunden
it
100%
185
Re
75
0
184.952955
+5/2
37.4
stabil
185m
Re
75
2.124
184.955235
+23/2
123 Nanosekunden (ns)
it
100%
187
Os
76
0
186.95575
-1/2
1.6
stabil
189
Ir
77
0
188.958719
+3/2
13 Tage 4 Stunden
ε
100%
189m
Ir
77
0.3722
188.959118
-11/2
13.3 Millisekunden (ms)
it
100%
189m
Ir
77
2.3333
188.961224
+25/2
3.7 Millisekunden (ms)
it
100%
191
Pt
78
0
190.961678
-3/2
2 Tage 19 Stunden 55 Minuten
ε
100%
191m
Pt
78
0.149
190.960764
+13/2
95 Mikrosekunden (μs)
it
100%
193
Au
79
0
192.96415
+3/2
17 Stunden 38 Minuten 60 Sekunden
ε
100%
193m
Au
79
0.2902
192.964462
-11/2
3.9 Sekunden
it
99.97%
ε
0.03%
193m
Au
79
2.4865
192.966819
+31/2
150 Nanosekunden (ns)
it
100%
195
Hg
80
0
194.96672
-1/2
10 Stunden 31 Minuten 48 Sekunden
ε
100%
195m
Hg
80
0.1761
194.966909
+13/2
1 Tage 17 Stunden 36 Minuten
it
54.2%
ε
45.8%
197
Tl
81
0
196.969574
+1/2
2 Stunden 50 Minuten 24 Sekunden
ε
100%
197m
Tl
81
0.6082
196.970227
-9/2
540 Millisekunden (ms)
it
100%
199
Pb
82
0
198.972918
-3/2
1 Stunden 30 Minuten
ε
100%
199m
Pb
82
0.4248
198.973374
+13/2
12 Minuten 12 Sekunden
it
93%
ε
7%
199m
Pb
82
2.5638
198.97567
-29/2
10.1 Mikrosekunden (μs)
it
100%
201
Bi
83
0
200.97701
-9/2
1 Stunden 43 Minuten
ε
100%
201m
Bi
83
0.8464
200.977919
+1/2
57 Minuten 30 Sekunden
ε
91.1%
it
8.6%
α
0.3%
201m
Bi
83
1.94
200.979093
+25/2
118 Nanosekunden (ns)
it
100%
201m
Bi
83
1.97
200.979125
+27/2
105 Nanosekunden (ns)
it
100%
201m
Bi
83
2.74
200.979952
-29/2
124 Nanosekunden (ns)
it
100%
203
Po
84
0
202.98142
-5/2
36 Minuten 42 Sekunden
ε
99.89%
α
0.11%
203m
Po
84
0.6417
202.982109
+13/2
45 Sekunden
it
100%
ε
>0%
205
At
85
0
204.986075
-9/2
26 Minuten 54 Sekunden
ε
90%
α
10%
205m
At
85
2.3397
204.988586
+39/2
7.8 Mikrosekunden (μs)
it
100%
207
Rn
86
0
206.990734
-5/2
9 Minuten 15 Sekunden
ε
79%
α
21%
207m
Rn
86
0.899
206.991699
+13/2
181 Mikrosekunden (μs)
it
100%
209
Fr
87
0
208.995954
-9/2
50 Sekunden
α
89%
ε
11%
211
Ra
88
0
211.000898
-5/2
13 Sekunden
α
93%
ε
7%
213
Ac
89
0
213.006607
-9/2
738 Millisekunden (ms)
α
100%
215
Th
90
0
215.01173
-1/2
1.2 Sekunden
α
100%
217
Pa
91
0
217.018324
-9/2
3.6 Millisekunden (ms)
α
100%
217m
Pa
91
1.85
217.02031
-29/2
1.2 Millisekunden (ms)
it
27%
α
73%
219
U
92
0
219.024919
+9/2
42 Mikrosekunden (μs)
α
100%