1
Q
Hydrogen
A
H
2
Q
Helium
A
He
3
Q
Lithium
A
Li
4
Q
Beryllium
A
Be
5
Q
Boron
A
B
6
Q
Oxygen
A
O
7
Q
Magnesium
A
Mg
8
Q
Neon
A
Ne
9
Q
Fluorine
A
F
10
Q
Titanium
A
Ti
11
Q
Copper
A
Cu
12
Q
Sulphur
A
S
13
Q
Potassium
A
K
14
Q
Gold
A
Au
15
Q
Argon
A
Ar
16
Q
Arsenic
A
As
17
Q
Chlorine
A
Cl
18
Q
Platinum
A
Pt
19
Q
Krypton
A
Kr
20
Q
Phosphorus
A
P
21
Q
Nickel
A
Ni
22
Q
Tungsten
A
W
23
Q
Nitrogen
A
N
24
Q
Iodine
A
I
25
Zinc
Zn
26
Silicone
Si
27
Aluminum
Al
28
Calcium
Ca
29
Cobalt
Co
30
Carbon
C
31
Silver
Ag
32
Iron
Fe
33
Sodium
Na
34
Mercury
Hg
35
Tin
Sn
36
Lead
Pb
