1.       If the acid is binary (just 2 elements) write: Hydro – nonmetal stem – ic acid

2.       If the acid contains a polyatomic ion, change the ending of the ion name.

a.        ATE –  changes to ic

b.       ITE – changes to ous

c.        Then write acid

d.       NO hydro in the name!!

H₂CO₃  Carbonic acid

 HI  Hydroiodic acid

HC₂H₃O₂  Acetic acid