(Redirected from Isotope table (divided) )
For an overview of available representations, see Table of nuclides .
Periodic table for looking up element numbers (atomic number )
The isotope tables given below show all of the known isotopes of the chemical elements , arranged with increasing atomic number from left to right and increasing neutron number from top to bottom.
Half lives are indicated by the color of each isotope's cell (see color chart in each section). Colored borders indicate half lives of the most stable nuclear isomer states.
The data for these tables came from Brookhaven National Laboratory which has an interactive Table of Nuclides with data on ~3000 nuclides.
Isotopes for elements 0-14
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Half-lives (example: Gd )
Gd
< 1 day
Gd
1–10 days
Gd
10–100 days
Gd
100 days–10 a
Gd
10–10,000 a
Gd
10 ka–700 Ma
Gd
> 700 Ma
Gd
Stable
Z →
0
1
2
3
n ↓
n
H
He
Li
4
5
0
H
Be
B
6
7
1
n
H
He
Li
C
N
8
2
H
He
Li
Be
B
C
N
O
9
3
H
He
Li
Be
B
C
N
O
F
10
4
H
He
Li
Be
B
C
N
O
F
Ne
11
12
5
H
He
Li
Be
B
C
N
O
F
Ne
Na
Mg
6
H
He
Li
Be
B
C
N
O
F
Ne
Na
Mg
13
14
7
He
Li
Be
B
C
N
O
F
Ne
Na
Mg
Al
Si
8
He
Li
Be
B
C
N
O
F
Ne
Na
Mg
Al
Si
9
Li
Be
B
C
N
O
F
Ne
Na
Mg
Al
Si
10
Li
Be
B
C
N
O
F
Ne
Na
Mg
Al
Si
11
Be
B
C
N
O
F
Ne
Na
Mg
Al
Si
12
Be
B
C
N
O
F
Ne
Na
Mg
Al
Si
13
B
C
N
O
F
Ne
Na
Mg
Al
Si
14
B
C
N
O
F
Ne
Na
Mg
Al
Si
15
B
N
O
F
Ne
Na
Mg
Al
Si
16
B
C
N
O
F
Ne
Na
Mg
Al
Si
17
O
F
Ne
Na
Mg
Al
Si
18
O
F
Ne
Na
Mg
Al
Si
19
O
F
Ne
Na
Mg
Al
Si
20
O
F
Ne
Na
Mg
Al
Si
21
F
Ne
Na
Mg
Al
Si
22
F
Ne
Na
Mg
Al
Si
23
Na
Mg
Al
Si
24
Ne
Na
Mg
Al
Si
25
Mg
Al
Si
26
Na
Mg
Al
Si
27
Al
Si
28
Na
Mg
Al
Si
29
Al
Si
30
Al
Si
31
Si
Isotopes for elements 15-29
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Half-lives (example: Gd )
Gd
< 1 day
Gd
1–10 days
Gd
10–100 days
Gd
100 days–10 a
Gd
10–10,000 a
Gd
10 ka–700 Ma
Gd
> 700 Ma
Gd
Stable
Z →
15
n ↓
P
16
9
S
17
18
10
Cl
Ar
19
11
P
S
Cl
Ar
K
20
12
P
S
Cl
Ar
K
Ca
21
13
P
S
Cl
Ar
Sc
22
14
P
S
Cl
Ar
K
Ti
23
15
P
S
Cl
Ar
K
Ca
V
24
16
P
S
Cl
Ar
K
Ca
Sc
Cr
25
17
P
S
Cl
Ar
K
Ca
Sc
Ti
Mn
26
18
P
S
Cl
Ar
K
Ca
Sc
Ti
Cr
Fe
27
28
19
P
S
Cl
Ar
K
Ca
Sc
Ti
Cr
Fe
Co
Ni
20
P
S
Cl
Ar
K
Ca
Sc
Ti
V
Cr
Fe
Ni
21
P
S
Cl
Ar
K
Ca
Sc
Ti
V
Cr
Mn
Fe
Ni
29
22
P
S
Cl
Ar
K
Ca
Sc
Ti
V
Cr
Mn
Fe
Ni
Cu
23
P
S
Cl
Ar
K
Ca
Sc
Ti
V
Cr
Mn
Fe
Co
Ni
24
P
S
Cl
Ar
K
Ca
Sc
Ti
V
Cr
Mn
Fe
Co
Ni
25
P
S
Cl
Ar
K
Ca
Sc
Ti
V
Cr
Mn
Fe
Co
Ni
26
P
S
Cl
Ar
K
Ca
Sc
Ti
V
Cr
Mn
Fe
Co
Ni
Cu
27
P
S
Cl
Ar
K
Ca
Sc
Ti
V
Cr
Mn
Fe
Co
Ni
Cu
28
P
S
Cl
Ar
K
Ca
Sc
Ti
V
Cr
Mn
Fe
Co
Ni
Cu
29
P
S
Cl
Ar
K
Ca
Sc
Ti
V
Cr
Mn
Fe
Co
Ni
Cu
30
P
S
Cl
Ar
K
Ca
Sc
Ti
V
Cr
Mn
Fe
Co
Ni
Cu
31
P
S
Cl
Ar
K
Ca
Sc
Ti
V
Cr
Mn
Fe
Co
Ni
Cu
32
P
S
Cl
Ar
K
Ca
Sc
Ti
V
Cr
Mn
Fe
Co
Ni
Cu
33
S
Cl
Ar
K
Ca
Sc
Ti
V
Cr
Mn
Fe
Co
Ni
Cu
34
Cl
Ar
K
Ca
Sc
Ti
V
Cr
Mn
Fe
Co
Ni
Cu
35
Cl
Ar
K
Ca
Sc
Ti
V
Cr
Mn
Fe
Co
Ni
Cu
36
Ar
K
Ca
Sc
Ti
V
Cr
Mn
Fe
Co
Ni
Cu
37
K
Ca
Sc
Ti
V
Cr
Mn
Fe
Co
Ni
Cu
38
K
Ca
Sc
Ti
V
Cr
Mn
Fe
Co
Ni
Cu
39
Ca
Sc
Ti
V
Cr
Mn
Fe
Co
Ni
Cu
40
K
Ca
Sc
Ti
V
Cr
Mn
Fe
Co
Ni
Cu
41
Sc
Ti
V
Cr
Mn
Fe
Co
Ni
Cu
42
Ti
V
Cr
Mn
Fe
Co
Ni
Cu
43
V
Cr
Mn
Fe
Co
Ni
Cu
44
V
Cr
Mn
Fe
Co
Ni
Cu
45
Cr
Mn
Fe
Co
Ni
Cu
46
Cr
Mn
Fe
Co
Ni
Cu
47
Mn
Fe
Co
Ni
Cu
48
Mn
Fe
Co
Ni
Cu
49
Fe
Co
Ni
Cu
50
Fe
Co
Ni
Cu
51
Co
Ni
Cu
52
Ni
Cu
53
Ni
Cu
54
Ni
Cu
Isotopes for elements 30-44
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Half-lives (example: Gd )
Gd
< 1 day
Gd
1–10 days
Gd
10–100 days
Gd
100 days–10 a
Gd
10–10,000 a
Gd
10 ka–700 Ma
Gd
> 700 Ma
Gd
Stable
Z →
30
n ↓
Zn
31
24
Zn
Ga
32
25
Zn
Ge
33
26
Zn
As
27
Zn
Ge
34
28
Zn
Ge
Se
35
29
Zn
Ga
Ge
Se
Br
36
30
Zn
Ga
Ge
Se
Kr
31
Zn
Ga
Ge
As
Se
Kr
32
Zn
Ga
Ge
As
Se
Kr
37
33
Zn
Ga
Ge
As
Se
Br
Kr
Rb
38
34
Zn
Ga
Ge
As
Se
Br
Kr
Sr
39
35
Zn
Ga
Ge
As
Se
Br
Kr
Rb
Sr
Y
40
36
Zn
Ga
Ge
As
Se
Br
Kr
Rb
Sr
Zr
41
37
Zn
Ga
Ge
As
Se
Br
Kr
Rb
Sr
Y
Zr
Nb
42
38
Zn
Ga
Ge
As
Se
Br
Kr
Rb
Sr
Y
Zr
Mo
43
39
Zn
Ga
Ge
As
Se
Br
Kr
Rb
Sr
Y
Zr
Mo
Tc
44
40
Zn
Ga
Ge
As
Se
Br
Kr
Rb
Sr
Y
Zr
Mo
Ru
41
Zn
Ga
Ge
As
Se
Br
Kr
Rb
Sr
Y
Zr
Nb
Mo
Ru
42
Zn
Ga
Ge
As
Se
Br
Kr
Rb
Sr
Y
Zr
Nb
Mo
Ru
43
Zn
Ga
Ge
As
Se
Br
Kr
Rb
Sr
Y
Zr
Nb
Mo
Tc
Ru
44
Zn
Ga
Ge
As
Se
Br
Kr
Rb
Sr
Y
Zr
Nb
Mo
Tc
Ru
45
Zn
Ga
Ge
As
Se
Br
Kr
Rb
Sr
Y
Zr
Nb
Mo
Tc
Ru
46
Zn
Ga
Ge
As
Se
Br
Kr
Rb
Sr
Y
Zr
Nb
Mo
Tc
Ru
47
Zn
Ga
Ge
As
Se
Br
Kr
Rb
Sr
Y
Zr
Nb
Mo
Tc
Ru
48
Zn
Ga
Ge
As
Se
Br
Kr
Rb
Sr
Y
Zr
Nb
Mo
Tc
Ru
49
Zn
Ga
Ge
As
Se
Br
Kr
Rb
Sr
Y
Zr
Nb
Mo
Tc
Ru
50
Zn
Ga
Ge
As
Se
Br
Kr
Rb
Sr
Y
Zr
Nb
Mo
Tc
Ru
51
Zn
Ga
Ge
As
Se
Br
Kr
Rb
Sr
Y
Zr
Nb
Mo
Tc
Ru
52
Zn
Ga
Ge
As
Se
Br
Kr
Rb
Sr
Y
Zr
Nb
Mo
Tc
Ru
53
Zn
Ga
Ge
As
Se
Br
Kr
Rb
Sr
Y
Zr
Nb
Mo
Tc
Ru
54
Zn
Ga
Ge
As
Se
Br
Kr
Rb
Sr
Y
Zr
Nb
Mo
Tc
Ru
55
Zn
Ga
Ge
As
Se
Br
Kr
Rb
Sr
Y
Zr
Nb
Mo
Tc
Ru
56
Ga
Ge
As
Se
Br
Kr
Rb
Sr
Y
Zr
Nb
Mo
Tc
Ru
57
Ge
As
Se
Br
Kr
Rb
Sr
Y
Zr
Nb
Mo
Tc
Ru
58
Ge
As
Se
Br
Kr
Rb
Sr
Y
Zr
Nb
Mo
Tc
Ru
59
As
Se
Br
Kr
Rb
Sr
Y
Zr
Nb
Mo
Tc
Ru
60
Se
Br
Kr
Rb
Sr
Y
Zr
Nb
Mo
Tc
Ru
61
Se
Br
Kr
Rb
Sr
Y
Zr
Nb
Mo
Tc
Ru
62
Br
Kr
Rb
Sr
Y
Zr
Nb
Mo
Tc
Ru
63
Br
Kr
Rb
Sr
Y
Zr
Nb
Mo
Tc
Ru
64
Kr
Rb
Sr
Y
Zr
Nb
Mo
Tc
Ru
65
Kr
Rb
Sr
Y
Zr
Nb
Mo
Tc
Ru
66
Br
Kr
Rb
Sr
Y
Zr
Nb
Mo
Tc
Ru
67
Rb
Sr
Y
Zr
Nb
Mo
Tc
Ru
68
Rb
Sr
Y
Zr
Nb
Mo
Tc
Ru
69
Rb
Sr
Y
Zr
Nb
Mo
Tc
Ru
70
Sr
Y
Zr
Nb
Mo
Tc
Ru
71
Y
Zr
Nb
Mo
Tc
Ru
72
Y
Zr
Nb
Mo
Tc
Ru
73
Zr
Nb
Mo
Tc
Ru
74
Nb
Mo
Tc
Ru
75
Nb
Mo
Tc
Ru
76
Nb
Mo
Tc
Ru
77
Mo
Tc
Ru
78
Tc
Ru
79
Tc
Ru
80
Ru
81
Ru
Isotopes for elements 45-59
← Previous | Next → Go to Unitized table (all elements) Go to Periodic table
Half-lives (example: Gd )
Gd
< 1 day
Gd
1–10 days
Gd
10–100 days
Gd
100 days–10 a
Gd
10–10,000 a
Gd
10 ka–700 Ma
Gd
> 700 Ma
Gd
Stable
Z →
45
n ↓
Rh
46
43
Pd
47
44
Rh
Pd
Ag
48
45
Rh
Pd
Ag
Cd
49
46
Rh
Pd
Ag
Cd
In
47
Rh
Pd
Ag
Cd
In
50
48
Rh
Pd
Ag
Cd
In
Sn
49
Rh
Pd
Ag
Cd
In
Sn
51
50
Rh
Pd
Ag
Cd
In
Sn
Sb
52
51
Rh
Pd
Ag
Cd
In
Sn
Te
53
52
Rh
Pd
Ag
Cd
In
Sn
Sb
Te
I
54
53
Rh
Pd
Ag
Cd
In
Sn
Sb
Te
Xe
54
Rh
Pd
Ag
Cd
In
Sn
Sb
Te
Xe
55
55
Rh
Pd
Ag
Cd
In
Sn
Sb
Te
I
Xe
Cs
56
56
Rh
Pd
Ag
Cd
In
Sn
Sb
Te
I
Xe
Ba
57
Rh
Pd
Ag
Cd
In
Sn
Sb
Te
I
Xe
Cs
57
58
Rh
Pd
Ag
Cd
In
Sn
Sb
Te
I
Xe
Cs
Ba
La
59
Rh
Pd
Ag
Cd
In
Sn
Sb
Te
I
Xe
Cs
Ba
58
60
Rh
Pd
Ag
Cd
In
Sn
Sb
Te
I
Xe
Cs
Ba
La
Ce
59
61
Rh
Pd
Ag
Cd
In
Sn
Sb
Te
I
Xe
Cs
Ba
La
Pr
62
Rh
Pd
Ag
Cd
In
Sn
Sb
Te
I
Xe
Cs
Ba
La
Pr
63
Rh
Pd
Ag
Cd
In
Sn
Sb
Te
I
Xe
Cs
Ba
La
Ce
Pr
64
Rh
Pd
Ag
Cd
In
Sn
Sb
Te
I
Xe
Cs
Ba
La
Ce
Pr
65
Rh
Pd
Ag
Cd
In
Sn
Sb
Te
I
Xe
Cs
Ba
La
Ce
Pr
66
Rh
Pd
Ag
Cd
In
Sn
Sb
Te
I
Xe
Cs
Ba
La
Ce
Pr
67
Rh
Pd
Ag
Cd
In
Sn
Sb
Te
I
Xe
Cs
Ba
La
Ce
Pr
68
Rh
Pd
Ag
Cd
In
Sn
Sb
Te
I
Xe
Cs
Ba
La
Ce
Pr
69
Rh
Pd
Ag
Cd
In
Sn
Sb
Te
I
Xe
Cs
Ba
La
Ce
Pr
70
Rh
Pd
Ag
Cd
In
Sn
Sb
Te
I
Xe
Cs
Ba
La
Ce
Pr
71
Rh
Pd
Ag
Cd
In
Sn
Sb
Te
I
Xe
Cs
Ba
La
Ce
Pr
72
Rh
Pd
Ag
Cd
In
Sn
Sb
Te
I
Xe
Cs
Ba
La
Ce
Pr
73
Rh
Pd
Ag
Cd
In
Sn
Sb
Te
I
Xe
Cs
Ba
La
Ce
Pr
74
Rh
Pd
Ag
Cd
In
Sn
Sb
Te
I
Xe
Cs
Ba
La
Ce
Pr
75
Rh
Pd
Ag
Cd
In
Sn
Sb
Te
I
Xe
Cs
Ba
La
Ce
Pr
76
Rh
Pd
Ag
Cd
In
Sn
Sb
Te
I
Xe
Cs
Ba
La
Ce
Pr
77
Rh
Pd
Ag
Cd
In
Sn
Sb
Te
I
Xe
Cs
Ba
La
Ce
Pr
78
Rh
Pd
Ag
Cd
In
Sn
Sb
Te
I
Xe
Cs
Ba
La
Ce
Pr
79
Rh
Pd
Ag
Cd
In
Sn
Sb
Te
I
Xe
Cs
Ba
La
Ce
Pr
80
Rh
Pd
Ag
Cd
In
Sn
Sb
Te
I
Xe
Cs
Ba
La
Ce
Pr
81
Rh
Pd
Ag
Cd
In
Sn
Sb
Te
I
Xe
Cs
Ba
La
Ce
Pr
82
Rh
Pd
Ag
Cd
In
Sn
Sb
Te
I
Xe
Cs
Ba
La
Ce
Pr
83
Rh
Pd
Ag
Cd
In
Sn
Sb
Te
I
Xe
Cs
Ba
La
Ce
Pr
84
Pd
Ag
Cd
In
Sn
Sb
Te
I
Xe
Cs
Ba
La
Ce
Pr
85
Pd
Ag
Cd
In
Sn
Sb
Te
I
Xe
Cs
Ba
La
Ce
Pr
86
Cd
In
Sn
Sb
Te
I
Xe
Cs
Ba
La
Ce
Pr
87
In
Sn
Sb
Te
I
Xe
Cs
Ba
La
Ce
Pr
88
In
Sn
Sb
Te
I
Xe
Cs
Ba
La
Ce
Pr
89
Sn
Sb
Te
I
Xe
Cs
Ba
La
Ce
Pr
90
Sn
Sb
Te
I
Xe
Cs
Ba
La
Ce
Pr
91
Sb
Te
I
Xe
Cs
Ba
La
Ce
Pr
92
Te
I
Xe
Cs
Ba
La
Ce
Pr
93
Te
I
Xe
Cs
Ba
La
Ce
Pr
94
I
Xe
Cs
Ba
La
Ce
Pr
95
Xe
Cs
Ba
La
Ce
Pr
96
Xe
Cs
Ba
La
Ce
Pr
97
Cs
Ba
La
Ce
Pr
98
Ba
La
Ce
Pr
99
La
Ce
Pr
100
La
Ce
Pr
101
Pr
102
Pr
Isotopes for elements 60-74
← Previous | Next → Go to Unitized table (all elements) Go to Periodic table
Half-lives (example: Gd )
Gd
< 1 day
Gd
1–10 days
Gd
10–100 days
Gd
100 days–10 a
Gd
10–10,000 a
Gd
10 ka–700 Ma
Gd
> 700 Ma
Gd
Stable
Z →
60
n ↓
Nd
61
64
Pm
62
65
Nd
Sm
63
66
Nd
Eu
67
Nd
Pm
Sm
Eu
64
68
Nd
Pm
Sm
Eu
Gd
65
69
Nd
Pm
Sm
Tb
70
Nd
Pm
Sm
Tb
66
71
Nd
Pm
Sm
Eu
Gd
Dy
67
72
Nd
Pm
Sm
Eu
Gd
Ho
68
73
Nd
Pm
Sm
Eu
Gd
Tb
Dy
Ho
Er
69
74
Nd
Pm
Sm
Eu
Gd
Tb
Dy
Ho
Tm
75
Nd
Pm
Sm
Eu
Gd
Tb
Dy
Ho
Er
Tm
76
Nd
Pm
Sm
Eu
Gd
Tb
Dy
Ho
Er
Tm
70
77
Nd
Pm
Sm
Eu
Gd
Tb
Dy
Ho
Er
Tm
Yb
71
78
Nd
Pm
Sm
Eu
Gd
Tb
Dy
Ho
Er
Tm
Lu
79
Nd
Pm
Sm
Eu
Gd
Tb
Dy
Ho
Er
Tm
Yb
Lu
72
80
Nd
Pm
Sm
Eu
Gd
Tb
Dy
Ho
Er
Tm
Yb
Lu
Hf
73
74
81
Nd
Pm
Sm
Eu
Gd
Tb
Dy
Ho
Er
Tm
Yb
Lu
Hf
Ta
W
82
Nd
Pm
Sm
Eu
Gd
Tb
Dy
Ho
Er
Tm
Yb
Lu
Hf
Ta
W
83
Nd
Pm
Sm
Eu
Gd
Tb
Dy
Ho
Er
Tm
Yb
Lu
Hf
Ta
W
84
Nd
Pm
Sm
Eu
Gd
Tb
Dy
Ho
Er
Tm
Yb
Lu
Hf
Ta
W
85
Nd
Pm
Sm
Eu
Gd
Tb
Dy
Ho
Er
Tm
Yb
Lu
Hf
Ta
W
86
Nd
Pm
Sm
Eu
Gd
Tb
Dy
Ho
Er
Tm
Yb
Lu
Hf
Ta
W
87
Nd
Pm
Sm
Eu
Gd
Tb
Dy
Ho
Er
Tm
Yb
Lu
Hf
Ta
W
88
Nd
Pm
Sm
Eu
Gd
Tb
Dy
Ho
Er
Tm
Yb
Lu
Hf
Ta
W
89
Nd
Pm
Sm
Eu
Gd
Tb
Dy
Ho
Er
Tm
Yb
Lu
Hf
Ta
W
90
Nd
Pm
Sm
Eu
Gd
Tb
Dy
Ho
Er
Tm
Yb
Lu
Hf
Ta
W
91
Nd
Pm
Sm
Eu
Gd
Tb
Dy
Ho
Er
Tm
Yb
Lu
Hf
Ta
W
92
Nd
Pm
Sm
Eu
Gd
Tb
Dy
Ho
Er
Tm
Yb
Lu
Hf
Ta
W
93
Nd
Pm
Sm
Eu
Gd
Tb
Dy
Ho
Er
Tm
Yb
Lu
Hf
Ta
W
94
Nd
Pm
Sm
Eu
Gd
Tb
Dy
Ho
Er
Tm
Yb
Lu
Hf
Ta
W
95
Nd
Pm
Sm
Eu
Gd
Tb
Dy
Ho
Er
Tm
Yb
Lu
Hf
Ta
W
96
Nd
Pm
Sm
Eu
Gd
Tb
Dy
Ho
Er
Tm
Yb
Lu
Hf
Ta
W
97
Nd
Pm
Sm
Eu
Gd
Tb
Dy
Ho
Er
Tm
Yb
Lu
Hf
Ta
W
98
Nd
Pm
Sm
Eu
Gd
Tb
Dy
Ho
Er
Tm
Yb
Lu
Hf
Ta
W
99
Nd
Pm
Sm
Eu
Gd
Tb
Dy
Ho
Er
Tm
Yb
Lu
Hf
Ta
W
100
Nd
Pm
Sm
Eu
Gd
Tb
Dy
Ho
Er
Tm
Yb
Lu
Hf
Ta
W
101
Nd
Pm
Sm
Eu
Gd
Tb
Dy
Ho
Er
Tm
Yb
Lu
Hf
Ta
W
102
Nd
Pm
Sm
Eu
Gd
Tb
Dy
Ho
Er
Tm
Yb
Lu
Hf
Ta
W
103
Nd
Pm
Sm
Eu
Gd
Tb
Dy
Ho
Er
Tm
Yb
Lu
Hf
Ta
W
104
Pm
Sm
Eu
Gd
Tb
Dy
Ho
Er
Tm
Yb
Lu
Hf
Ta
W
105
Pm
Sm
Eu
Gd
Tb
Dy
Ho
Er
Tm
Yb
Lu
Hf
Ta
W
106
Sm
Eu
Gd
Tb
Dy
Ho
Er
Tm
Yb
Lu
Hf
Ta
W
107
Eu
Gd
Tb
Dy
Ho
Er
Tm
Yb
Lu
Hf
Ta
W
108
Gd
Tb
Dy
Ho
Er
Tm
Yb
Lu
Hf
Ta
W
109
Tb
Dy
Ho
Er
Tm
Yb
Lu
Hf
Ta
W
110
Dy
Ho
Er
Tm
Yb
Lu
Hf
Ta
W
111
Ho
Er
Tm
Yb
Lu
Hf
Ta
W
112
Er
Tm
Yb
Lu
Hf
Ta
W
113
Tm
Yb
Lu
Hf
Ta
W
114
Tm
Yb
Lu
Hf
Ta
W
115
Yb
Lu
Hf
Ta
W
116
Yb
Lu
Hf
Ta
W
117
Yb
Lu
Hf
Ta
W
118
Lu
Hf
Ta
W
119
Lu
Hf
Ta
W
120
Hf
Ta
W
121
Ta
W
122
W
123
W
Isotopes for elements 75-89
← Previous | Next → Go to Unitized table (all elements) Go to Periodic table
Half-lives (example: Gd )
Gd
< 1 day
Gd
1–10 days
Gd
10–100 days
Gd
100 days–10 a
Gd
10–10,000 a
Gd
10 ka–700 Ma
Gd
> 700 Ma
Gd
Stable
Z →
75
76
n ↓
Re
Os
84
Re
Os
77
85
Re
Os
Ir
78
86
Re
Os
Pt
87
Re
Os
Pt
79
88
Re
Os
Ir
Pt
Au
80
89
Re
Os
Ir
Pt
Hg
90
Re
Os
Ir
Pt
Hg
91
Re
Os
Ir
Pt
Au
Hg
92
Re
Os
Ir
Pt
Au
Hg
93
Re
Os
Ir
Pt
Au
Hg
81
94
Re
Os
Ir
Pt
Au
Hg
Tl
82
95
Re
Os
Ir
Pt
Au
Hg
Tl
Pb
96
Re
Os
Ir
Pt
Au
Hg
Tl
Pb
97
Re
Os
Ir
Pt
Au
Hg
Tl
Pb
98
Re
Os
Ir
Pt
Au
Hg
Tl
Pb
99
Re
Os
Ir
Pt
Au
Hg
Tl
Pb
83
100
Re
Os
Ir
Pt
Au
Hg
Tl
Pb
Bi
84
101
Re
Os
Ir
Pt
Au
Hg
Tl
Pb
Bi
Po
85
102
Re
Os
Ir
Pt
Au
Hg
Tl
Pb
Bi
Po
At
103
Re
Os
Ir
Pt
Au
Hg
Tl
Pb
Bi
Po
At
104
Re
Os
Ir
Pt
Au
Hg
Tl
Pb
Bi
Po
105
Re
Os
Ir
Pt
Au
Hg
Tl
Pb
Bi
Po
At
86
106
Re
Os
Ir
Pt
Au
Hg
Tl
Pb
Bi
Po
At
Rn
107
Re
Os
Ir
Pt
Au
Hg
Tl
Pb
Bi
Po
At
Rn
108
Re
Os
Ir
Pt
Au
Hg
Tl
Pb
Bi
Po
At
Rn
87
109
Re
Os
Ir
Pt
Au
Hg
Tl
Pb
Bi
Po
At
Rn
Fr
110
Re
Os
Ir
Pt
Au
Hg
Tl
Pb
Bi
Po
At
Rn
Fr
111
Re
Os
Ir
Pt
Au
Hg
Tl
Pb
Bi
Po
At
Rn
Fr
88
112
Re
Os
Ir
Pt
Au
Hg
Tl
Pb
Bi
Po
At
Rn
Fr
Ra
89
113
Re
Os
Ir
Pt
Au
Hg
Tl
Pb
Bi
Po
At
Rn
Fr
Ra
Ac
114
Re
Os
Ir
Pt
Au
Hg
Tl
Pb
Bi
Po
At
Rn
Fr
Ra
Ac
115
Re
Os
Ir
Pt
Au
Hg
Tl
Pb
Bi
Po
At
Rn
Fr
Ra
Ac
116
Re
Os
Ir
Pt
Au
Hg
Tl
Pb
Bi
Po
At
Rn
Fr
Ra
Ac
117
Re
Os
Ir
Pt
Au
Hg
Tl
Pb
Bi
Po
At
Rn
Fr
Ra
Ac
118
Re
Os
Ir
Pt
Au
Hg
Tl
Pb
Bi
Po
At
Rn
Fr
Ra
Ac
119
Re
Os
Ir
Pt
Au
Hg
Tl
Pb
Bi
Po
At
Rn
Fr
Ra
Ac
120
Re
Os
Ir
Pt
Au
Hg
Tl
Pb
Bi
Po
At
Rn
Fr
Ra
Ac
121
Re
Os
Ir
Pt
Au
Hg
Tl
Pb
Bi
Po
At
Rn
Fr
Ra
Ac
122
Re
Os
Ir
Pt
Au
Hg
Tl
Pb
Bi
Po
At
Rn
Fr
Ra
Ac
123
Re
Os
Ir
Pt
Au
Hg
Tl
Pb
Bi
Po
At
Rn
Fr
Ra
Ac
124
Re
Os
Ir
Pt
Au
Hg
Tl
Pb
Bi
Po
At
Rn
Fr
Ra
Ac
125
Os
Ir
Pt
Au
Hg
Tl
Pb
Bi
Po
At
Rn
Fr
Ra
Ac
126
Os
Ir
Pt
Au
Hg
Tl
Pb
Bi
Po
At
Rn
Fr
Ra
Ac
127
Os
Ir
Pt
Au
Hg
Tl
Pb
Bi
Po
At
Rn
Fr
Ra
Ac
128
Ir
Pt
Au
Hg
Tl
Pb
Bi
Po
At
Rn
Fr
Ra
Ac
129
Pt
Au
Hg
Tl
Pb
Bi
Po
At
Rn
Fr
Ra
Ac
130
Pt
Au
Hg
Tl
Pb
Bi
Po
At
Rn
Fr
Ra
Ac
131
Au
Hg
Tl
Pb
Bi
Po
At
Rn
Fr
Ra
Ac
132
Hg
Tl
Pb
Bi
Po
At
Rn
Fr
Ra
Ac
133
Hg
Tl
Pb
Bi
Po
At
Rn
Fr
Ra
Ac
134
Hg
Tl
Pb
Bi
Po
At
Rn
Fr
Ra
Ac
135
Hg
Tl
Pb
Bi
Po
At
Rn
Fr
Ra
Ac
136
Hg
Tl
Pb
Bi
Po
At
Rn
Fr
Ra
Ac
137
Pb
Bi
Po
At
Rn
Fr
Ra
Ac
138
Pb
Bi
Po
At
Rn
Fr
Ra
Ac
139
Bi
Po
At
Rn
Fr
Ra
Ac
140
Bi
Po
At
Rn
Fr
Ra
Ac
141
Bi
Po
At
Rn
Fr
Ra
Ac
142
Po
At
Rn
Fr
Ra
Ac
143
Po
At
Rn
Fr
Ra
Ac
144
At
Rn
Fr
Ra
Ac
145
At
Rn
Fr
Ra
Ac
146
Rn
Fr
Ra
Ac
147
Ac
148
Isotopes for elements 90-104
← Previous | Next → Go to Unitized table (all elements) Go to Periodic table
Half-lives (example: Gd )
Gd
< 1 day
Gd
1–10 days
Gd
10–100 days
Gd
100 days–10 a
Gd
10–10,000 a
Gd
10 ka–700 Ma
Gd
> 700 Ma
Gd
Stable
Z →
90
n ↓
Th
117
Th
118
Th
91
119
Th
Pa
120
Th
Pa
92
121
Th
Pa
U
122
Th
Pa
U
123
Th
Pa
U
124
Th
Pa
U
93
125
Th
Pa
U
Np
94
126
Th
Pa
U
Np
Pu
95
127
Th
Pa
U
Np
Am
128
Th
Pa
Am
129
Th
Pa
U
Np
130
Th
Pa
U
Np
131
Th
Pa
U
Np
Am
96
97
132
Th
Pa
U
Np
Pu
Cm
Bk
133
Th
Pa
U
Np
Pu
Bk
134
Th
Pa
U
Np
Pu
Am
135
Th
Pa
U
Np
Pu
Am
136
Th
Pa
U
Np
Pu
Bk
137
Th
Pa
U
Np
Pu
Am
Cm
Bk
98
138
Th
Pa
U
Np
Pu
Am
Cm
Cf
99
139
Th
Pa
U
Np
Pu
Am
Cm
Bk
Cf
Es
100
140
Th
Pa
U
Np
Pu
Am
Cm
Cf
Fm
141
Th
Pa
U
Np
Pu
Am
Cm
Bk
Cf
Es
Fm
101
142
Th
Pa
U
Np
Pu
Am
Cm
Cf
Es
Fm
Md
143
Th
Pa
U
Np
Pu
Am
Cm
Bk
Cf
Es
Fm
Md
144
Th
Pa
U
Np
Pu
Am
Cm
Bk
Cf
Es
Fm
Md
102
145
Th
Pa
U
Np
Pu
Am
Cm
Bk
Cf
Es
Fm
Md
No
146
Th
Pa
U
Np
Pu
Am
Cm
Bk
Cf
Es
Fm
Md
103
104
147
Th
Pa
U
Np
Pu
Am
Cm
Bk
Cf
Es
Fm
Md
No
Lr
Rf
148
Th
Pa
U
Np
Pu
Am
Cm
Bk
Cf
Es
Fm
Md
No
Lr
Rf
149
U
Np
Pu
Am
Cm
Bk
Cf
Es
Fm
Md
No
Lr
Rf
150
U
Np
Pu
Am
Cm
Bk
Cf
Es
Fm
Md
No
Lr
Rf
151
Np
Pu
Am
Cm
Bk
Cf
Es
Fm
Md
No
Lr
Rf
152
Pu
Am
Cm
Bk
Cf
Es
Fm
Md
No
Lr
Rf
153
Pu
Cm
Bk
Cf
Es
Fm
Md
No
Lr
Rf
154
Cm
Bk
Cf
Es
Fm
Md
No
Lr
Rf
155
Cm
Bk
Cf
Es
Fm
Md
No
Lr
Rf
156
Bk
Cf
Es
Fm
Md
No
Lr
Rf
157
Cf
Es
Fm
Md
No
Lr
Rf
158
Cf
Es
Fm
Md
No
Lr
Rf
159
Fm
Md
Lr
Rf
160
Fm
No
161
Lr
Rf
162
163
Lr
Rf
164
Isotopes for elements 105-118
← Previous | Next →Go to Unitized table (all elements) Go to Periodic table
Half-lives (example: Gd )
Gd
< 1 day
Gd
1–10 days
Gd
10–100 days
Gd
100 days–10 a
Gd
10–10,000 a
Gd
10 ka–700 Ma
Gd
> 700 Ma
Gd
Stable
Z →
105
n ↓
Db
150
Db
106
151
Db
Sg
107
152
Db
Sg
Bh
153
Db
Sg
Bh
108
154
Db
Sg
Bh
Hs
109
155
Db
Sg
Bh
Hs
Mt
110
156
Db
Sg
Hs
Ds
157
Db
Sg
Bh
Hs
Mt
Ds
158
Db
Sg
Bh
Hs
159
Sg
Bh
Hs
Mt
Ds
111
160
Sg
Bh
Hs
Ds
Rg
161
Db
Sg
Hs
Mt
Ds
Rg
162
Db
Sg
Hs
112
163
Db
Sg
Bh
Hs
Ds
Rg
Cn
113
164
Bh
Hs
Nh
165
Db
Sg
Bh
Hs
Mt
Ds
Cn
Nh
166
Mt
Ds
167
Bh
Hs
Mt
Ds
Rg
168
Mt
Rg
Cn
114
169
Hs
Mt
Ds
Rg
Cn
Nh
Fl
115
170
Ds
Rg
Cn
Nh
Fl
Mc
116
171
Ds
Rg
Cn
Nh
Fl
Mc
Lv
172
Cn
Nh
Fl
Mc
Lv
117
173
Cn
Nh
Fl
Mc
Lv
Ts
118
174
Fl
Mc
Lv
Og
175
Fl
Mc
Lv
176
Lv
Ts
Og
177
Lv
Ts
External links
Charts of nuclides Representations
Images
Articles on isotopes of an element
Various tables and lists of the nuclides
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