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This is part of the nuclide map
Legend
Legend
colour
|
Half-life
|
Nucl.
|
<10 -10 seconds
|
Nucl.
|
<1 minute
|
Nucl.
|
1 minute to 1 hour
|
Nucl.
|
1 hour to 1 day
|
Nucl.
|
1 day to 60 days
|
Nucl.
|
60 days to 10 years
|
|
colour
|
Half-life
|
Nucl.
|
10 years to 1,000 years
|
Nucl.
|
1,000 years to 100,000 years
|
Nucl.
|
100,000 years to 10 million years
|
Nucl.
|
10 million to 50 million years
|
Nucl.
|
primordial nuclide (> 50 million years)
|
Nucl.
|
stable
|
|
table
Ordinal numbers 21 to 40
p →
|
21st
|
22nd
|
23
|
24
|
25th
|
26th
|
27
|
28
|
29
|
30th
|
31
|
32
|
33
|
34
|
35
|
36
|
37
|
38
|
39
|
40
|
|
Sc
|
Ti
|
V
|
Cr
|
Mn
|
Fe
|
Co
|
Ni
|
Cu
|
Zn
|
Ga
|
Ge
|
As
|
Se
|
Br
|
Kr
|
Rb
|
Sr
|
Y
|
Zr
|
n ↓
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
19th
|
40 Sc
|
41 Ti
|
20th
|
41 Sc
|
42 Ti
|
43 V
|
21st
|
42 Sc
|
43 Ti
|
44 V
|
45 Cr
|
22nd
|
43 Sc
|
44 Ti
|
45 V
|
46 Cr
|
47 mn
|
23
|
44 Sc
|
45 Ti
|
46 V
|
47 Cr
|
48 mn
|
49 feet
|
24
|
45 Sc
|
46 Ti
|
47 V
|
48 Cr
|
49 mn
|
50 feet
|
51 Co
|
25th
|
46 Sc
|
47 Ti
|
48 V
|
49 Cr
|
50 mn
|
51 feet
|
52 Co
|
53 Ni
|
26th
|
47 Sc
|
48 Ti
|
49 V
|
50 Cr
|
51 mn
|
52 feet
|
53 Co
|
54 Ni
|
55 Cu
|
27
|
48 Sc
|
49 Ti
|
50 V
|
51 Cr
|
52 mn
|
53 feet
|
54 Co
|
55 Ni
|
56 Cu
|
57 notes
|
28
|
49 Sc
|
50 Ti
|
51 V
|
52 Cr
|
53 mn
|
54 feet
|
55 Co
|
56 Ni
|
57 Cu
|
58 notes
|
59 Ga
|
29
|
50 Sc
|
51 Ti
|
52 V
|
53 Cr
|
54 mn
|
55 feet
|
56 Co
|
57 Ni
|
58 Cu
|
59 notes
|
60 Ga
|
61 Ge
|
30th
|
51 Sc
|
52 Ti
|
53 V
|
54 Cr
|
55 mn
|
56 feet
|
57 Co
|
58 Ni
|
59 Cu
|
60 notes
|
61 Ga
|
62 Ge
|
31
|
52 Sc
|
53 Ti
|
54 V
|
55 Cr
|
56 mn
|
57 feet
|
58 Co
|
59 Ni
|
60 Cu
|
61 no
|
62 Ga
|
63 Ge
|
64 As
|
32
|
53 Sc
|
54 Ti
|
55 V
|
56 Cr
|
57 mn
|
58 feet
|
59 Co
|
60 Ni
|
61 Cu
|
62 notes
|
63 Ga
|
64 Ge
|
65 As
|
33
|
|
55 Ti
|
56 V
|
57 Cr
|
58 mn
|
59 feet
|
60 Co
|
61 Ni
|
62 Cu
|
63 notes
|
64 Ga
|
65 Ge
|
66 As
|
67 Se
|
34
|
|
57 V
|
58 Cr
|
59 mn
|
60 feet
|
61 Co
|
62 Ni
|
63 Cu
|
64 notes
|
65 Ga
|
66 Ge
|
67 As
|
68 Se
|
35
|
|
59 Cr
|
60 mn
|
61 feet
|
62 Co
|
63 Ni
|
64 Cu
|
65 notes
|
66 Ga
|
67 Ge
|
68 As
|
69 Se
|
70 Br
|
36
|
|
60 Cr
|
61 mn
|
62 feet
|
63 Co
|
64 Ni
|
65 Cu
|
66 notes
|
67 Ga
|
68 Ge
|
69 As
|
70 se
|
71 Br
|
72 kr
|
37
|
|
62 mn
|
63 feet
|
64 Co
|
65 Ni
|
66 Cu
|
67 notes
|
68 Ga
|
69 Ge
|
70 As
|
71 Se
|
72 Br
|
73 kr
|
74 Rb
|
38
|
|
63 mn
|
64 feet
|
65 Co
|
66 Ni
|
67 Cu
|
68 notes
|
69 Ga
|
70 Ge
|
71 As
|
72 se
|
73 Br
|
74 kr
|
75 Rb
|
76 Sr
|
39
|
|
65 feet
|
66 Co
|
67 Ni
|
68 Cu
|
69 notes
|
70 Ga
|
71 Ge
|
72 As
|
73 Se
|
74 Br
|
75 kr
|
76 Rb
|
77 Sr
|
78 Y
|
40
|
|
66 feet
|
67 Co
|
68 Ni
|
69 Cu
|
70 notes
|
71 Ga
|
72 Ge
|
73 As
|
74 Se
|
75 Br
|
76 kr
|
77 Rb
|
78 Sr
|
79 Y
|
80 Zr
|
41
|
|
68 Co
|
69 Ni
|
70 Cu
|
71 notes
|
72 Ga
|
73 Ge
|
74 As
|
75 se
|
76 Br
|
77 kr
|
78 Rb
|
79 Sr
|
80 Y
|
81 Zr
|
42
|
|
69 Co
|
70 Ni
|
71 Cu
|
72 notes
|
73 Ga
|
74 Ge
|
75 As
|
76 Se
|
77 Br
|
78 kr
|
79 Rb
|
80 Sr
|
81 Y
|
82 Zr
|
43
|
|
71 Ni
|
72 Cu
|
73 notes
|
74 Ga
|
75 Ge
|
76 As
|
77 Se
|
78 Br
|
79 kr
|
80 Rb
|
81 Sr
|
82 Y
|
83 Zr
|
44
|
|
72 Ni
|
73 Cu
|
74 no
|
75 Ga
|
76 Ge
|
77 As
|
78 Se
|
79 Br
|
80 kr
|
81 Rb
|
82 Sr
|
83 Y
|
84 Zr
|
45
|
|
73 Ni
|
74 Cu
|
75 notes
|
76 Ga
|
77 Ge
|
78 As
|
79 Se
|
80 Br
|
81 kr
|
82 Rb
|
83 Sr
|
84 Y
|
85 Zr
|
46
|
|
74 Ni
|
75 Cu
|
76 notes
|
77 Ga
|
78 Ge
|
79 As
|
80 se
|
81 Br
|
82 kr
|
83 Rb
|
84 Sr
|
85 Y
|
86 Zr
|
47
|
|
76 Cu
|
77 notes
|
78 Ga
|
79 Ge
|
80 As
|
81 Se
|
82 Br
|
83 kr
|
84 Rb
|
85 Sr
|
86 Y
|
87 Zr
|
48
|
|
77 Cu
|
78 notes
|
79 Ga
|
80 Ge
|
81 As
|
82 Se
|
83 Br
|
84 kr
|
85 Rb
|
86 Sr
|
87 Y
|
88 Zr
|
49
|
|
79 notes
|
80 Ga
|
81 Ge
|
82 As
|
83 Se
|
84 Br
|
85 kr
|
86 Rb
|
87 Sr
|
88 Y
|
89 Zr
|
50
|
|
80 Zn
|
81 Ga
|
82 Ge
|
83 As
|
84 Se
|
85 Br
|
86 kr
|
87 Rb
|
88 Sr
|
89 Y
|
90 Zr
|
51
|
|
82 Ga
|
83 Ge
|
84 As
|
85 Se
|
86 Br
|
87 kr
|
88 Rb
|
89 Sr
|
90 Y
|
91 Zr
|
52
|
|
83 Ga
|
84 Ge
|
85 As
|
86 Se
|
87 Br
|
88 kr
|
89 Rb
|
90 Sr
|
91 Y
|
92 zr
|
53
|
|
85 Ge
|
86 As
|
87 Se
|
88 Br
|
89 kr
|
90 Rb
|
91 Sr
|
92 Y
|
93 Zr
|
54
|
|
87 As
|
88 Se
|
89 Br
|
90 kr
|
91 Rb
|
92 Sr
|
93 Y
|
94 Zr
|
55
|
|
89 Se
|
90 Br
|
91 kr
|
92 Rb
|
93 Sr
|
94 Y
|
95 Zr
|
56
|
|
90 se
|
91 Br
|
92 kr
|
93 Rb
|
94 Sr
|
95 Y
|
96 Zr
|
57
|
|
91 Se
|
92 Br
|
93 kr
|
94 Rb
|
95 Sr
|
96 Y
|
97 Zr
|
58
|
|
93 Br
|
94 kr
|
95 Rb
|
96 Sr
|
97 Y
|
98 Zr
|
59
|
|
95 kr
|
96 Rb
|
97 Sr
|
98 Y
|
99 Zr
|
60
|
|
96 kr
|
97 Rb
|
98 Sr
|
99 Y
|
100 Zr
|
61
|
|
98 Rb
|
99 Sr
|
100 Y
|
101 Zr
|
62
|
|
99 Rb
|
100 Sr
|
101 Y
|
102 Zr
|
63
|
|
101 Sr
|
102 Y
|
103 Zr
|
64
|
|
103 Y
|
104 Zr
|