Das Periodensystem der Elemente online
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Nuklide nach Selektion gefunden: 86
Nuklid
Level
(MeV)
Atommasse (u)
Spin
% nat.
Halbwertszeit
Zerfall
%
97
Br
35
0
96.9628
-3/2
unbekannt
β
-
>0%
nβ
-
>0%
99
Kr
36
0
98.9576
-3/2
40 Millisekunden (ms)
β
-
89%
nβ
-
11%
101
Rb
37
0
100.953197
+3/2
32 Millisekunden (ms)
β
-
72%
nβ
-
28%
2nβ
-
>0%
103
Sr
38
0
102.94895
unbekannt
unbekannt
β
-
>0%
nβ
-
>0%
105
Y
39
0
104.94487
+5/2
unbekannt
β
-
>0%
nβ
-
>0%
107
Zr
40
0
106.94075
unbekannt
15 Millisekunden (ms)
β
-
>0%
nβ
-
>0%
109
Nb
41
0
108.93763
+5/2
190 Millisekunden (ms)
β
-
69%
nβ
-
31%
111
Mo
42
0
110.93441
unbekannt
200 Millisekunden (ms)
β
-
100%
113
Tc
43
0
112.931589
unbekannt
170 Millisekunden (ms)
β
-
98.9%
nβ
-
2.1%
115
Ru
44
0
114.928686
unbekannt
740 Millisekunden (ms)
β
-
>0%
nβ
-
>0%
117
Rh
45
0
116.92598
+7/2
440 Millisekunden (ms)
β
-
100%
119
Pd
46
0
118.92311
+5/2
920 Millisekunden (ms)
β
-
100%
121
Ag
47
0
120.919848
+7/2
790 Millisekunden (ms)
β
-
99.92%
nβ
-
0.08%
123
Cd
48
0
122.917003
+3/2
2.1 Sekunden
β
-
100%
123m
Cd
48
0.3165
122.917343
-11/2
1.82 Sekunden
β
-
>0%
it
>0%
125
In
49
0
124.913601
+9/2
2.36 Sekunden
β
-
100%
125m
In
49
0.3601
124.913987
-1/2
12.2 Sekunden
β
-
100%
127
Sn
50
0
126.91036
-11/2
2 Stunden 6 Minuten
β
-
100%
127m
Sn
50
0.0047
126.910365
+3/2
4 Minuten 7.8 Sekunden
β
-
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%
131
Te
52
0
130.908524
+3/2
25 Minuten
β
-
100%
131m
Te
52
0.1823
130.90872
-11/2
1 Tage 9 Stunden 15 Minuten
β
-
74.1%
it
25.9%
131m
Te
52
1.94
130.910607
+23/2
93 Millisekunden (ms)
it
100%
133
I
53
0
132.907797
+7/2
20 Stunden 48 Minuten
β
-
100%
133m
I
53
1.6342
132.909551
-19/2
9 Sekunden
it
100%
133m
I
53
1.7292
132.909653
-15/2
170 Nanosekunden (ns)
it
100%
135
Xe
54
0
134.907228
+3/2
9 Stunden 8 Minuten 24 Sekunden
β
-
100%
135m
Xe
54
0.5266
134.907793
-11/2
15 Minuten 17.4 Sekunden
it
99.5%
β
-
0.5%
137
Cs
55
0
136.90709
+7/2
30 Jahre 29 Tage
β
-
100%
139
Ba
56
0
138.908841
-7/2
1 Stunden 23 Minuten 3.6 Sekunden
β
-
100%
141
La
57
0
140.910962
+7/2
3 Stunden 55 Minuten 12 Sekunden
β
-
100%
143
Ce
58
0
142.912386
-3/2
33.03 Sekunden
β
-
100%
145
Pr
59
0
144.914513
+7/2
5 Stunden 59 Minuten 2 Sekunden
β
-
100%
147
Nd
60
0
146.9161
-5/2
10 Tage 23 Stunden 31 Minuten
β
-
100%
149
Pm
61
0
148.918334
+7/2
2 Tage 5 Stunden 4 Minuten
β
-
100%
149m
Pm
61
0.2402
148.918592
-11/2
35 Mikrosekunden (μs)
it
100%
151
Sm
62
0
150.919933
-5/2
90 Jahre
β
-
100%
151m
Sm
62
0.2611
150.920213
-11/2
1.4 Mikrosekunden (μs)
it
100%
153
Eu
63
0
152.921225
+5/2
52.19
stabil
155
Gd
64
0
154.922622
-3/2
14.8
stabil
155m
Gd
64
0.1211
154.922752
-11/2
32 Mikrosekunden (μs)
it
100%
157
Tb
65
0
156.924025
+3/2
71 Jahre
ε
100%
159
Dy
66
0
158.925739
-3/2
144 Tage 9 Stunden
ε
100%
159m
Dy
66
0.3528
158.926118
-11/2
122 Mikrosekunden (μs)
it
100%
161
Ho
67
0
160.927855
-7/2
2 Stunden 28 Minuten 48 Sekunden
ε
100%
161m
Ho
67
0.2112
160.928082
+1/2
6.76 Sekunden
it
100%
163
Er
68
0
162.930033
-5/2
1 Stunden 15 Minuten
ε
100%
163m
Er
68
0.4455
162.930511
-11/2
580 Nanosekunden (ns)
it
100%
165
Tm
69
0
164.932436
+1/2
1 Tage 6 Stunden 3 Minuten 36 Sekunden
ε
100%
167
Yb
70
0
166.93495
-5/2
17 Minuten 30 Sekunden
ε
100%
169
Lu
71
0
168.937652
+7/2
1 Tage 10 Stunden 3 Minuten 36 Sekunden
ε
100%
169m
Lu
71
0.029
168.937683
-1/2
2 Minuten 40 Sekunden
it
100%
171
Hf
72
0
170.940492
+7/2
12 Stunden 6 Minuten
ε
100%
171m
Hf
72
0.0219
170.940516
-1/2
29.5 Sekunden
it
100%
ε
>0%
173
Ta
73
0
172.94375
-5/2
3 Stunden 8 Minuten 24 Sekunden
ε
100%
175
W
74
0
174.946717
-1/2
35 Minuten 12 Sekunden
ε
100%
177
Re
75
0
176.950328
-5/2
14 Minuten
ε
100%
177m
Re
75
0.0847
176.950419
+5/2
50 Mikrosekunden (μs)
it
100%
179
Os
76
0
178.953816
-1/2
6 Minuten 30 Sekunden
ε
100%
181
Ir
77
0
180.957626
-5/2
4 Minuten 54 Sekunden
ε
100%
183
Pt
78
0
182.961597
-1/2
6 Minuten 30 Sekunden
ε
100%
α
1.3e-3%
183m
Pt
78
0.0345
182.961634
-7/2
43 Sekunden
ε
100%
α
4e-5%
it
>0%
183m
Pt
78
0.1957
182.961807
+9/2
150 Nanosekunden (ns)
it
100%
185
Au
79
0
184.96579
-5/2
4 Minuten 15 Sekunden
ε
99.74%
α
0.26%
185m
Au
79
0.1
184.965898
+1/2
6 Minuten 48 Sekunden
ε
100%
it
>0%
187
Hg
80
0
186.969814
+13/2
1 Minuten 54 Sekunden
ε
100%
α
1.5e-4%
187m
Hg
80
0.059
186.969878
-3/2
2 Minuten 24 Sekunden
ε
>0%
α
>0%
it
>0%
189
Tl
81
0
188.973589
+1/2
2 Minuten 18 Sekunden
ε
100%
189m
Tl
81
0.2576
188.973865
-9/2
1 Minuten 24 Sekunden
ε
96%
it
4%
191
Pb
82
0
190.978265
-3/2
1 Minuten 19.8 Sekunden
ε
99.99%
α
0.01%
191m
Pb
82
0.02
190.978287
+13/2
2 Minuten 10.8 Sekunden
ε
99.98%
α
0.02%
193
Bi
83
0
192.982961
-9/2
1 Minuten 3.6 Sekunden
ε
96.5%
α
3.5%
193m
Bi
83
0.308
192.983291
+1/2
3.2 Sekunden
α
84%
ε
16%
195
Po
84
0
194.988112
-3/2
4.64 Sekunden
ε
25%
α
75%
195m
Po
84
0.23
194.988358
+13/2
1.92 Sekunden
α
90%
ε
10%
197
At
85
0
196.993189
-9/2
388 Millisekunden (ms)
α
96.1%
ε
3.9%
197m
At
85
0.052
196.993245
+1/2
2 Sekunden
α
100%
ε
>0%
it
>0%
199
Rn
86
0
198.99837
-3/2
590 Millisekunden (ms)
α
94%
ε
6%
199m
Rn
86
0.18
198.998564
+13/2
310 Millisekunden (ms)
α
97%
ε
3%
201
Fr
87
0
201.00386
-9/2
62 Millisekunden (ms)
α
100%
201m
Fr
87
0.1
201.003871
+1/2
19 Millisekunden (ms)
α
100%
203
Ra
88
0
203.009272
-3/2
31 Millisekunden (ms)
α
100%
ε
>0%
203m
Ra
88
0.22
203.009508
+13/2
24 Millisekunden (ms)
α
100%
ε
>0%
it
>0%