Hydrogen
1 H
Helium
2 He
Lithium
3 Li
Beryllium
4 Be
Boron
5 B
Carbon
6 C
Nitrogen
7 N
Oxygen
8 O
Fluorine
9 F
Neon
10 Ne
Sodium
11 Na
Magnesium
12 Mg
Aluminum
13 Al
Silicon
14 Si
Phosphorous
15 P
Sulfur
16 S
Chlorine
17 Cl
Argon
18 Ar
Potassium
19 K
Calcium
20 Ca
Scandium
21 Sc
Titanium
22 Ti
Vanadium
23 V
Chromium
24 Cr