1.HClO

2. ClO-

1.hypochlorus acid

2. Hypochlorite

(1 oxygen)

1. ClO_2-

2.HClO₂

1. Chlorite

2. Chlorous acid

(notice the hypo is gone)

1.ClO_3-

2.HClO_3-

1. Chlorate

2. Chloric acid

1.ClO_4-

2.HClO_4-

1. Perchlorate

2.Perchloric acid

1.NO_2-

2.HNO₂

1. nitrite

2.Nitrous acid

(just like Cl)

1. NO_3-

2.HNO₃

1. nitrate

2. nitric acid