Valency Flashcards
1
Q
H
A
1
2
Q
He
A
0
3
Q
Li
A
1
4
Q
B
A
2
5
Q
Br
A
3
6
Q
C
A
4
7
Q
N
A
3
8
Q
O
A
2
9
Q
F
A
1
10
Q
Ne
A
0
11
Q
Na
A
1
12
Q
Mg
A
2
13
Q
Al
A
3
14
Q
Si
A
4
15
Q
P
A
3
