1 - H
Hydrogen
2 - He
Helium
3 - Li
Lithium
4 - Be
Berylium
5 - B
Beron
5 - C
Carbon
7 - N
Nitrogen
8 - O
Oxygen
9 - F
Fluorine
10 - Ne
Neon
11 - Na
Sodium
12 - Mg
Magnesium
13 - Al
Aluminium
14 - Si
Silicon
15 - P
Phosphonus
16 - S
Sulfur
17 - Cl
Chlorine
18 - Ar
Argon
19 - K
Potassium
20 - Ca
Calcium
26 - Fe
Iron
28 - Ni
Nickel
29 - Cu
Copper
30 - Zn
Zinc