1
Q
Sodium
A
Na
2
Q
Magnesium
A
Mg
3
Q
Aluminum
A
Al
4
Q
Silicon
A
Si
5
Q
Phosphorus
A
P
6
Q
Na
A
Sodium
7
Q
Mg
A
Magnesium
8
Q
Al
A
Aluminum
9
Q
P
A
Phosphorus
10
Q
Si
A
Silicon
