1
Q
Chlorine
A
Cl
2
Q
Potassium
A
K
3
Q
Helium
A
H
4
Q
Uranium
A
U
5
Q
Hydrogen
A
H
6
Q
Aluminum
A
Al
7
Q
Argon
A
Ar
8
Q
Sulfur
A
S
9
Q
Fluorine
A
F
10
Q
Calcium
A
Ca
11
Q
Lead
A
Pb
12
Q
Neon
A
Ne
13
Q
Oxygen
A
O
14
Q
Phosphorus
A
P
15
Q
Nitrogen
A
N
16
Q
Iron
A
Fe
17
Q
Nickel
A
Ni
18
Q
Copper
A
Cu
19
Q
Iodine
A
I
20
Q
Sodium
A
Na
21
Q
Magnesium
A
Mg
22
Q
Zinc
A
Zn
23
Q
Tin
A
Sn
24
Q
Silicon
A
Si
25
Manganese
Mn
26
1
Alkali Metals
27
2
Alkaline Earth Metals
28
3-12
Transition Metals
29
13
Boron
30
14
Carbon
31
15
Nitrogen
32
16
Oxygen
33
17
Halogens
34
18
Noble Gases
35
Bottom Block
Lanthanide and Actinide Series
36
Carbon
C
