Nomenclature Reflection #2

I thought that nomenclature would be easy, but I was sadly mistaken. What is ferrous? What is ferric? No one would guess that they are 2 and 3 valence-electron-ed irons. What is hypobromite? Did we ever learn about that? The polyatomic ions have different charges, and we have to memorize each of them!?!? How many hydrogen ions does an acid have? What is chemistry and why is it so confusing?