1
Q
Copper
A
Cu
2
Q
Zinc
A
Zn
3
Q
Gallium
A
Ga
4
Q
Germanium
A
Ge
5
Q
Arsenic
A
As
6
Q
Selenium
A
Se
7
Q
Bromine
A
Br
8
Q
Krypton
A
Kr
9
Q
Rubidium
A
Rb
10
Q
Strontium
A
Sr
