1
Q
Hydrogen
A
H
2
Q
Helium
A
He
3
Q
Lithium
A
Le
4
Q
Beryllium
A
Be
5
Q
Boron
A
B
6
Q
Carbon
A
C
7
Q
Nitrogen
A
N
8
Q
Oxygen
A
O
9
Q
Fluorine
A
F
10
Q
Neon
A
Ne
11
Q
Sodium
A
Na
12
Q
Magnesium
A
Mg
13
Q
Aluminium
A
Al
14
Q
Silicon
A
Si
15
Q
Phosphorus
A
P
16
Q
Sulfur
A
A
17
Q
Chlorine
A
Cl
18
Q
Argon
A
Ar
