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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 up to 20
p →
|
00
|
01
|
02
|
03
|
04th
|
05
|
06th
|
07th
|
08th
|
09
|
10
|
11
|
12
|
13
|
14th
|
15th
|
16
|
17th
|
18th
|
19th
|
20th
|
|
|
H
|
Hey
|
Li
|
Be
|
B.
|
C.
|
N
|
O
|
F.
|
No
|
N / A
|
Mg
|
Al
|
Si
|
P
|
S.
|
Cl
|
Ar
|
K
|
Approx
|
n ↓
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
0
|
1 H.
|
1
|
n
|
2 H
|
3 He
|
4 li
|
2
|
|
3 H
|
4 He
|
5 li
|
6 Be
|
7 B
|
8 C
|
3
|
|
4 H
|
5 He
|
6 li
|
7 Be
|
8 B
|
9 C
|
10 N.
|
4th
|
|
6 He
|
7 li
|
8 Be
|
9 B
|
10 C
|
11 N.
|
12 O
|
5
|
|
7 He
|
8 li
|
9 Be
|
10 B
|
11 C
|
12 N.
|
13 O
|
14 F.
|
6th
|
|
8 He
|
9 li
|
10 Be
|
11 B
|
12 C
|
13 N.
|
14 O
|
15 F.
|
16 Ne
|
7th
|
|
10 li
|
11 Be
|
12 B
|
13 C
|
14 N.
|
15 O
|
16 F.
|
17 Ne
|
18 Well
|
8th
|
|
11 li
|
12 Be
|
13 B
|
14 C
|
15 N.
|
16 O
|
17 F.
|
18 Ne
|
19 Well
|
20 mg
|
9
|
|
13 Be
|
14 B
|
15 C
|
16 N.
|
17 O
|
18 F
|
19 Ne
|
20 Well
|
21 mg
|
22 Al
|
10
|
|
14 Be
|
15 B
|
16 C
|
17 N.
|
18 O
|
19 F
|
20 Ne
|
21 Well
|
22 mg
|
23 Al
|
24 Si
|
11
|
|
16 B
|
17 C
|
18 N.
|
19 O
|
20 F
|
21 Ne
|
22 Well
|
23 mg
|
24 al
|
25 Si
|
26 P
|
12
|
|
17 B
|
18 C
|
19 N.
|
20 O
|
21 F
|
22 Ne
|
23 Well
|
24 mg
|
25 Al
|
26 Si
|
27 P.
|
28 p
|
13
|
|
19 C
|
20 N.
|
21 O
|
22 F.
|
23 Ne
|
24 Well
|
25 mg
|
26 Al
|
27 Si
|
28 P
|
29 p
|
30 cl
|
14th
|
|
21 N.
|
22 O
|
23 F.
|
24 Ne
|
25 Well
|
26 mg
|
27 Al
|
28 Si
|
29 P
|
30 p
|
31 cl
|
32 ares
|
15th
|
|
23 O
|
24 F.
|
25 Ne
|
26 Well
|
27 mg
|
28 Al
|
29 Si
|
30 p
|
31 p
|
32 cl
|
33 ares
|
34 K
|
16
|
|
24 O
|
25 F
|
26 Ne
|
27 Well
|
28 mg
|
29 Al
|
30 Si
|
31 P.
|
32 p
|
33 Cl
|
34 ares
|
35 K
|
36 approx
|
17th
|
|
26 F.
|
27 Ne
|
28 Well
|
29 mg
|
30 al
|
31 Si
|
32 P
|
33 p
|
34 cl
|
35 ares
|
36 K
|
37 Approx
|
18th
|
|
27 F.
|
28 Ne
|
29 Well
|
30 mg
|
31 al
|
32 Si
|
33 P
|
34 p
|
35 cl
|
36 ares
|
37 K
|
38 Approx
|
19th
|
|
29 Ne
|
30 Well
|
31 mg
|
32 Al
|
33 Si
|
34 P
|
35 p
|
36 cl
|
37 ares
|
38 K
|
39 Approx
|
20th
|
|
30 Ne
|
31 Well
|
32 mg
|
33 Al
|
34 Si
|
35 P
|
36 p
|
37 Cl
|
38 ares
|
39 K
|
40 approx
|
21st
|
|
32 Well
|
33 mg
|
34 al
|
35 Si
|
36 P.
|
37 p
|
38 Cl
|
39 ares
|
40 K
|
41 Approx
|
22nd
|
|
33 Well
|
34 mg
|
35 al
|
36 Si
|
37 P
|
38 p
|
39 Cl
|
40 ares
|
41 K
|
42 approx
|
23
|
|
35 mg
|
36 al
|
37 Si
|
38 P
|
39 p
|
40 cl
|
41 ares
|
42 K
|
43 Approx
|
24
|
|
37 Al
|
38 Si
|
39 P
|
40 p
|
41 cl
|
42 ares
|
43 K
|
44 Approx
|
25th
|
|
39 Si
|
40 p
|
41 p
|
42 cl
|
43 ares
|
44 K
|
45 approx
|
26th
|
|
41 P
|
42 p
|
43 Cl
|
44 ares
|
45 K
|
46 Approx
|
27
|
|
43 p
|
44 Cl
|
45 ares
|
46 K
|
47 Approx
|
28
|
|
44 p
|
45 cl
|
46 ares
|
47 K
|
48 approx
|
29
|
|
46 Cl
|
47 ares
|
48 K
|
49 Approx
|
30th
|
|
48 ares
|
49 K
|
50 approx
|
31
|
|
50 K
|
51 Approx
|
32
|
|
51 K
|
52 Approx
|