1. Patterns in Oxyanion Nomenclature (3 of 3)
The one with the second fewest oxygens ends in -ite:
is chlorite.
The one with the second most oxygens ends in -ate:
is chlorate.
The one with the fewest oxygens has the prefix hypo- and ends
in -ite:
is hypochlorite.
The one with the most oxygens has the prefix per- and ends in
-ate:
is perchlorate.

2. Acid Nomenclature
If the anion in the acid ends in -ide, change the ending to -ic acid and add the prefix hydro-.
H C l: hydrochloric acid
H B r: hydrobromic acid
H I: hydroiodic acid
If the anion ends in -ite, change the ending to -ous acid.
H C l O: hypochlorous acid
H C l O2: chlorous acid
If the anion ends in -ate, change the ending to -ic acid.
H C l O3: chloric acid
H C l O4: perchloric acid