1
Q
K
A
potassium
2
Q
Ca
A
calcium
3
Q
Sc
A
Scandium
4
Q
Ti
A
titanium
5
Q
V
A
Vanadium
6
Q
Cr
A
chromium
7
Q
Mn
A
manganese
8
Q
Fe
A
iron
9
Q
Co
A
cobalt
10
Q
Ni
A
nickle
11
Q
Cu
A
copper
12
Q
Zn
A
zinc
13
Q
Ge
A
germanium
14
Q
Ga
A
gallium
15
Q
As
A
arsenic
16
Q
Se
A
selenium
17
Q
Br
A
bromine
18
Q
Kr
A
krypton
