1
Q
Sodium
A
Na+
2
Q
Potassium
A
K+
3
Q
Silver
A
Ag+
4
Q
Copper (type 1)
A
Cu+
5
Q
Magnesium
A
Mg2+
6
Q
Calcium
A
Ca2+
7
Q
Zinc
A
Zn2+
8
Q
Ferrous Iron
A
Fe2+
9
Q
Copper (type 2)
A
Cu2+
10
Q
Aluminium
A
Al3+
11
Q
Ferric Iron
A
Fe3+
12
Q
Hydrogen
A
H+
13
Q
Hydride
A
H-
14
Q
Chloride
A
Cl-
15
Q
Bromide
A
Br-
16
Q
Iodide
A
I-
17
Q
Oxide
A
O2-
18
Q
Sulphide
A
S2-
19
Q
Nitride
A
N3-
20
Q
Ammonium
A
NH4(+)
21
Q
Hydroxide
A
OH-
22
Q
Nitrate
A
NO3(-)
23
Q
Hydrogen carbonate
A
HCO3(-)
24
Q
Carbonate
A
CO3(2-)
25
Sulphite
SO3(2-)
26
Sulphate
SO4(2-)
27
Phosphate
PO4(3-)
