Das Periodensystem der Elemente online
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Nuklide nach Selektion gefunden: 35
Nuklid
Level
(MeV)
Atommasse (u)
Spin
% nat.
Halbwertszeit
Zerfall
%
165
Sm
62
0
164.95298
-5/2
200 Millisekunden (ms)
β
-
>0%
nβ
-
>0%
166
Eu
63
0
165.94997
unbekannt
400 Millisekunden (ms)
β
-
>0%
nβ
-
>0%
167
Gd
64
0
166.94557
-5/2
3 Sekunden
β
-
100%
168
Tb
65
0
167.94364
-4
8.2 Sekunden
β
-
100%
169
Dy
66
0
168.940308
-5/2
39 Sekunden
β
-
100%
170
Ho
67
0
169.939619
+6
2 Minuten 45.6 Sekunden
β
-
100%
170m
Ho
67
0.12
169.939748
+1
43 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%
172
Tm
69
0
171.9384
-2
2 Tage 15 Stunden 36 Minuten
β
-
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%
174
Lu
71
0
173.940338
-1
3 Jahre 113 Tage
ε
100%
174m
Lu
71
0.1708
173.940521
-6
142 Tage
it
99.38%
ε
0.62%
174m
Lu
71
0.2408
173.940596
+3
395 Nanosekunden (ns)
it
100%
174m
Lu
71
0.3652
173.94073
-4
145 Nanosekunden (ns)
it
100%
175
Hf
72
0
174.94151
-5/2
70 Tage
ε
100%
176
Ta
73
0
175.944857
-1
8 Stunden 5 Minuten 24 Sekunden
ε
100%
176m
Ta
73
0.103
175.944968
unbekannt
1.1 Millisekunden (ms)
it
100%
176m
Ta
73
1.3726
175.946331
-14
3.8 Mikrosekunden (μs)
it
100%
176m
Ta
73
2.82
175.947885
-20
970 Mikrosekunden (μs)
it
100%
177
W
74
0
176.946643
-1/2
2 Stunden 12 Minuten
ε
100%
178
Re
75
0
177.950989
+3
13 Minuten 12 Sekunden
ε
100%
179
Os
76
0
178.953816
-1/2
6 Minuten 30 Sekunden
ε
100%
180
Ir
77
0
179.959229
+4
1 Minuten 30 Sekunden
ε
100%
181
Pt
78
0
180.963098
-1/2
52 Sekunden
ε
99.92%
α
0.08%
182
Au
79
0
181.969618
+2
15.6 Sekunden
ε
99.87%
α
0.13%
183
Hg
80
0
182.974451
-1/2
9.4 Sekunden
ε
88.3%
α
11.7%
pε
2.6e-4%
183m
Hg
80
0.24
182.974708
+13/2
5 Sekunden
ε
>0%
α
>0%
pε
>0%
it
>0%
184
Tl
81
0
183.981873
+2
11 Sekunden
ε
97.9%
α
2.1%
184m
Tl
81
0.1
183.98198
+7
10 Sekunden
ε
>0%
it
>0%
α
>0%
185
Pb
82
0
184.98761
-3/2
6.3 Sekunden
ε
66%
α
34%
185m
Pb
82
0.06
184.987675
+13/2
4.3 Sekunden
α
50%
ε
50%
186
Bi
83
0
185.996598
+3
15 Millisekunden (ms)
α
100%
186m
Bi
83
0.27
185.996887
-10
9.8 Millisekunden (ms)
α
100%