1
Q
Ammonium Ion
A
NH₄⁺
2
Q
Hydronium Ion
A
H₃O⁺
3
Q
Nitrite Ion
A
NO₂⁻
4
Q
Nitrate Ion
A
NO₃⁻
5
Q
Permanganate Ion
A
MnO₄⁻
6
Q
Hydrogen Carbonate Ion (or bicarbonate ion)
A
HCO₃⁻
7
Q
Cyanide Ion
A
CN-
8
Q
Hydroxide Ion
A
OH⁻
9
Q
Acetate Ion
A
C₂H₃O₂⁻
10
Q
Hypochlorite Ion
A
ClO⁻
11
Q
Chlorite Ion
A
ClO₂⁻
12
Q
Chlorate Ion
A
ClO₃⁻
13
Q
Perchlorate Ion
A
ClO₄⁻
14
Q
Dihydrogen Phosphate Ion
A
H₂PO₄⁻
15
Q
Thiocyanate Ion
A
SCN⁻
16
Q
Hydrogen Sulfate Ion
A
HSO₄⁻
17
Q
Azide Ion
A
N₃⁻
18
Q
Peroxide Ion
A
O₂²⁻
19
Q
Thiosulfate Ion
A
S₂O₃²⁻
20
Q
Hydrogen Phosphate Ion
A
HPO₄²⁻
21
Q
Carbonate Ion
A
CO₃²⁻
22
Q
Chromate Ion
A
CrO₄²⁻
23
Q
Dichromate Ion
A
Cr₂O₇²⁻
24
Q
Sulfite Ion
A
SO₃²⁻
25
Sulfate Ion
SO₄²⁻
26
Oxalate Ion
C₂O₄²⁻
27
Phosphite Ion
PO₃³⁻
28
Phosphate Ion
PO₄³⁻
