0
Q
2 He
A
Helium
1
Q
1 H
A
Hydrogen
2
Q
3 Li
A
Lithium
3
Q
4 Be
A
Berithium
4
Q
5 B
A
Boron
5
Q
6 C
A
Carbon
6
Q
7 N
A
Nitrogen
7
Q
8 O
A
Oxygen
8
Q
9 F
A
Fluorine
9
Q
10 Ne
A
Neon
10
Q
11 Na
A
Sodium
11
Q
12 Mg
A
Magnesium
12
Q
13 Al
A
Aluminum
13
Q
14 Si
A
Silicon
14
Q
15 P
A
Phosphorus
15
Q
16 S
A
Sulfur
16
Q
17 Cl
A
Chlorine
17
Q
18 Ar
A
Argon
18
Q
19 K
A
Potassium
19
Q
20 Ca
A
Calcium
First 20 Elements
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