1
Q
Hydrogen
A
1
H
1
2
Q
Helium
A
2
He
4
3
Q
Lithium
A
3
Li
6.94
4
Q
Beryllium
A
4
Be
9
5
Q
Boron
A
5
10.81
6
Q
Carbon
A
6
C
12
7
Q
Nitrogen
A
7
N
14
8
Q
Oxygen
A
8
O
16
9
Q
Fluorine
A
9
F
19
10
Q
Neon
A
10
Ne
20.17
Chemistry
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