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WikiProject Elements/Isotope tables/Element 31-40
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Wikipedia:WikiProject Elements
|
Isotope tables
—
N
−
Z
Z
Element
List
−6
−5
−4
−3
−2
−1
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
Gallium
List
56
Ga
(
meta
)
57
Ga
(
meta
)
58
Ga
(
meta
)
59
Ga
(
meta
)
60
Ga
(
meta
)
61
Ga
(
meta
)
62
Ga
(
meta
)
63
Ga
(
meta
)
64
Ga
(
meta
)
65
Ga
(
meta
)
66
Ga
(
meta
)
67
Ga
(
meta
)
68
Ga
(
meta
)
69
Ga
(
meta
)
70
Ga
(
meta
)
71
Ga
(
meta
)
72
Ga
(
meta
)
73
Ga
(
meta
)
74
Ga
(
meta
)
75
Ga
(
meta
)
76
Ga
(
meta
)
77
Ga
(
meta
)
78
Ga
(
meta
)
79
Ga
(
meta
)
80
Ga
(
meta
)
81
Ga
(
meta
)
82
Ga
(
meta
)
83
Ga
(
meta
)
84
Ga
(
meta
)
85
Ga
(
meta
)
86
Ga
(
meta
)
87
Ga
(
meta
)
88
Ga
(
meta
)
89
Ga
(
meta
)
90
Ga
(
meta
)
91
Ga
(
meta
)
92
Ga
(
meta
)
32
Germanium
List
58
Ge
(
meta
)
59
Ge
(
meta
)
60
Ge
(
meta
)
61
Ge
(
meta
)
62
Ge
(
meta
)
63
Ge
(
meta
)
64
Ge
(
meta
)
65
Ge
(
meta
)
66
Ge
(
meta
)
67
Ge
(
meta
)
68
Ge
(
meta
)
69
Ge
(
meta
)
70
Ge
(
meta
)
71
Ge
(
meta
)
72
Ge
(
meta
)
73
Ge
(
meta
)
74
Ge
(
meta
)
75
Ge
(
meta
)
76
Ge
(
meta
)
77
Ge
(
meta
)
78
Ge
(
meta
)
79
Ge
(
meta
)
80
Ge
(
meta
)
81
Ge
(
meta
)
82
Ge
(
meta
)
83
Ge
(
meta
)
84
Ge
(
meta
)
85
Ge
(
meta
)
86
Ge
(
meta
)
87
Ge
(
meta
)
88
Ge
(
meta
)
89
Ge
(
meta
)
90
Ge
(
meta
)
91
Ge
(
meta
)
92
Ge
(
meta
)
93
Ge
(
meta
)
94
Ge
(
meta
)
33
Arsenic
List
60
As
(
meta
)
61
As
(
meta
)
62
As
(
meta
)
63
As
(
meta
)
64
As
(
meta
)
65
As
(
meta
)
66
As
(
meta
)
67
As
(
meta
)
68
As
(
meta
)
69
As
(
meta
)
70
As
(
meta
)
71
As
(
meta
)
72
As
(
meta
)
73
As
(
meta
)
74
As
(
meta
)
75
As
(
meta
)
76
As
(
meta
)
77
As
(
meta
)
78
As
(
meta
)
79
As
(
meta
)
80
As
(
meta
)
81
As
(
meta
)
82
As
(
meta
)
83
As
(
meta
)
84
As
(
meta
)
85
As
(
meta
)
86
As
(
meta
)
87
As
(
meta
)
88
As
(
meta
)
89
As
(
meta
)
90
As
(
meta
)
91
As
(
meta
)
92
As
(
meta
)
93
As
(
meta
)
94
As
(
meta
)
95
As
(
meta
)
96
As
(
meta
)
34
Selenium
List
62
Se
(
meta
)
63
Se
(
meta
)
64
Se
(
meta
)
65
Se
(
meta
)
66
Se
(
meta
)
67
Se
(
meta
)
68
Se
(
meta
)
69
Se
(
meta
)
70
Se
(
meta
)
71
Se
(
meta
)
72
Se
(
meta
)
73
Se
(
meta
)
74
Se
(
meta
)
75
Se
(
meta
)
76
Se
(
meta
)
77
Se
(
meta
)
78
Se
(
meta
)
79
Se
(
meta
)
80
Se
(
meta
)
81
Se
(
meta
)
82
Se
(
meta
)
83
Se
(
meta
)
84
Se
(
meta
)
85
Se
(
meta
)
86
Se
(
meta
)
87
Se
(
meta
)
88
Se
(
meta
)
89
Se
(
meta
)
90
Se
(
meta
)
91
Se
(
meta
)
92
Se
(
meta
)
93
Se
(
meta
)
94
Se
(
meta
)
95
Se
(
meta
)
96
Se
(
meta
)
97
Se
(
meta
)
98
Se
(
meta
)
35
Bromine
List
64
Br
(
meta
)
65
Br
(
meta
)
66
Br
(
meta
)
67
Br
(
meta
)
68
Br
(
meta
)
69
Br
(
meta
)
70
Br
(
meta
)
71
Br
(
meta
)
72
Br
(
meta
)
73
Br
(
meta
)
74
Br
(
meta
)
75
Br
(
meta
)
76
Br
(
meta
)
77
Br
(
meta
)
78
Br
(
meta
)
79
Br
(
meta
)
80
Br
(
meta
)
81
Br
(
meta
)
82
Br
(
meta
)
83
Br
(
meta
)
84
Br
(
meta
)
85
Br
(
meta
)
86
Br
(
meta
)
87
Br
(
meta
)
88
Br
(
meta
)
89
Br
(
meta
)
90
Br
(
meta
)
91
Br
(
meta
)
92
Br
(
meta
)
93
Br
(
meta
)
94
Br
(
meta
)
95
Br
(
meta
)
96
Br
(
meta
)
97
Br
(
meta
)
98
Br
(
meta
)
99
Br
(
meta
)
100
Br
(
meta
)
36
Krypton
List
66
Kr
(
meta
)
67
Kr
(
meta
)
68
Kr
(
meta
)
69
Kr
(
meta
)
70
Kr
(
meta
)
71
Kr
(
meta
)
72
Kr
(
meta
)
73
Kr
(
meta
)
74
Kr
(
meta
)
75
Kr
(
meta
)
76
Kr
(
meta
)
77
Kr
(
meta
)
78
Kr
(
meta
)
79
Kr
(
meta
)
80
Kr
(
meta
)
81
Kr
(
meta
)
82
Kr
(
meta
)
83
Kr
(
meta
)
84
Kr
(
meta
)
85
Kr
(
meta
)
86
Kr
(
meta
)
87
Kr
(
meta
)
88
Kr
(
meta
)
89
Kr
(
meta
)
90
Kr
(
meta
)
91
Kr
(
meta
)
92
Kr
(
meta
)
93
Kr
(
meta
)
94
Kr
(
meta
)
95
Kr
(
meta
)
96
Kr
(
meta
)
97
Kr
(
meta
)
98
Kr
(
meta
)
99
Kr
(
meta
)
100
Kr
(
meta
)
101
Kr
(
meta
)
102
Kr
(
meta
)
37
Rubidium
List
68
Rb
(
meta
)
69
Rb
(
meta
)
70
Rb
(
meta
)
71
Rb
(
meta
)
72
Rb
(
meta
)
73
Rb
(
meta
)
74
Rb
(
meta
)
75
Rb
(
meta
)
76
Rb
(
meta
)
77
Rb
(
meta
)
78
Rb
(
meta
)
79
Rb
(
meta
)
80
Rb
(
meta
)
81
Rb
(
meta
)
82
Rb
(
meta
)
83
Rb
(
meta
)
84
Rb
(
meta
)
85
Rb
(
meta
)
86
Rb
(
meta
)
87
Rb
(
meta
)
88
Rb
(
meta
)
89
Rb
(
meta
)
90
Rb
(
meta
)
91
Rb
(
meta
)
92
Rb
(
meta
)
93
Rb
(
meta
)
94
Rb
(
meta
)
95
Rb
(
meta
)
96
Rb
(
meta
)
97
Rb
(
meta
)
98
Rb
(
meta
)
99
Rb
(
meta
)
100
Rb
(
meta
)
101
Rb
(
meta
)
102
Rb
(
meta
)
103
Rb
(
meta
)
104
Rb
(
meta
)
38
Strontium
List
70
Sr
(
meta
)
71
Sr
(
meta
)
72
Sr
(
meta
)
73
Sr
(
meta
)
74
Sr
(
meta
)
75
Sr
(
meta
)
76
Sr
(
meta
)
77
Sr
(
meta
)
78
Sr
(
meta
)
79
Sr
(
meta
)
80
Sr
(
meta
)
81
Sr
(
meta
)
82
Sr
(
meta
)
83
Sr
(
meta
)
84
Sr
(
meta
)
85
Sr
(
meta
)
86
Sr
(
meta
)
87
Sr
(
meta
)
88
Sr
(
meta
)
89
Sr
(
meta
)
90
Sr
(
meta
)
91
Sr
(
meta
)
92
Sr
(
meta
)
93
Sr
(
meta
)
94
Sr
(
meta
)
95
Sr
(
meta
)
96
Sr
(
meta
)
97
Sr
(
meta
)
98
Sr
(
meta
)
99
Sr
(
meta
)
100
Sr
(
meta
)
101
Sr
(
meta
)
102
Sr
(
meta
)
103
Sr
(
meta
)
104
Sr
(
meta
)
105
Sr
(
meta
)
106
Sr
(
meta
)
39
Yttrium
List
72
Y
(
meta
)
73
Y
(
meta
)
74
Y
(
meta
)
75
Y
(
meta
)
76
Y
(
meta
)
77
Y
(
meta
)
78
Y
(
meta
)
79
Y
(
meta
)
80
Y
(
meta
)
81
Y
(
meta
)
82
Y
(
meta
)
83
Y
(
meta
)
84
Y
(
meta
)
85
Y
(
meta
)
86
Y
(
meta
)
87
Y
(
meta
)
88
Y
(
meta
)
89
Y
(
meta
)
90
Y
(
meta
)
91
Y
(
meta
)
92
Y
(
meta
)
93
Y
(
meta
)
94
Y
(
meta
)
95
Y
(
meta
)
96
Y
(
meta
)
97
Y
(
meta
)
98
Y
(
meta
)
99
Y
(
meta
)
100
Y
(
meta
)
101
Y
(
meta
)
102
Y
(
meta
)
103
Y
(
meta
)
104
Y
(
meta
)
105
Y
(
meta
)
106
Y
(
meta
)
107
Y
(
meta
)
108
Y
(
meta
)
40
Zirconium
List
74
Zr
(
meta
)
75
Zr
(
meta
)
76
Zr
(
meta
)
77
Zr
(
meta
)
78
Zr
(
meta
)
79
Zr
(
meta
)
80
Zr
(
meta
)
81
Zr
(
meta
)
82
Zr
(
meta
)
83
Zr
(
meta
)
84
Zr
(
meta
)
85
Zr
(
meta
)
86
Zr
(
meta
)
87
Zr
(
meta
)
88
Zr
(
meta
)
89
Zr
(
meta
)
90
Zr
(
meta
)
91
Zr
(
meta
)
92
Zr
(
meta
)
93
Zr
(
meta
)
94
Zr
(
meta
)
95
Zr
(
meta
)
96
Zr
(
meta
)
97
Zr
(
meta
)
98
Zr
(
meta
)
99
Zr
(
meta
)
100
Zr
(
meta
)
101
Zr
(
meta
)
102
Zr
(
meta
)
103
Zr
(
meta
)
104
Zr
(
meta
)
105
Zr
(
meta
)
106
Zr
(
meta
)
107
Zr
(
meta
)
108
Zr
(
meta
)
109
Zr
(
meta
)
110
Zr
(
meta
)