The common ternary acids - See the polyion chart

HClO 
Hypochlorous acid

Hypochlorous Acid
HClO2
Chlorous acid

Chlorous Acid
HClO3
Chloric acid

Chloric Acid
HClO4
Perchloric acid

Perchloric Acid
HBrO 
Hypobromous acid

Hypobromous Acid
HBrO2
Bromous acid

Bromous Acid
HBrO3
Bromic acid

Bromic Acid
HBrO4
Perbromic acid

Perbromic Acid
HIO 
Hypoiodous acid

Hypoiodous Acid
HIO2
Iodous acid

Iodous Acid
HIO3
Iodoic acid

Iodoic Acid
HIO4
Periodic acid

Periodic Acid
H2SO2
Hyposulfurous acid

Hyposulfurous Acid
H2SO3
Sulfurous acid

Sulfurous Acid
H2SO4
Sulfuric acid

Sulfuric Acid
 
  HNO2
nitrous acid

Nitrous Acid
HNO3
nitric acid

Nitric Acid
 
H3PO2
Hypophosphorous acid

Hypophosphorous Acid
H3PO3
Phosphorous acid

Phosphorous Acid
H3PO4
Phosphoric acid

Phosphoric Acid
 
    H2CO3
Carbonicic acid

Carbonic Acid