1
Q
1
A
Wasserstoff H 1
2
Q
2
A
Helium He 2
3
Q
3
A
Lithium Li 3
4
Q
4
A
Beryllium Be 4
5
Q
5
A
Bor B 5
6
Q
6
A
Kohlenstoff C 6
7
Q
7
A
Stickstoff N 7
8
Q
8
A
Sauerstoff O 8
9
Q
9
A
Fluor F 9
10
Q
10
A
Neon Ne 10
11
Q
11
A
Natrium Na 11
12
Q
12
A
Magnesium Mg 12
13
Q
13
A
Aluminium Ai 13
14
Q
14
A
Silicium Si 14
15
Q
15
A
Phosphor P 15
16
Q
16
A
Schwefel S 16
17
Q
17
A
Chlor Cl 17
18
Q
18
A
Argon Ar 18
19
Q
19
A
Kalium K 19
20
Q
20
A
Calcium Ca 20
Perioden system
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