Naming of Ionic compounds The formula of the Aluminum oxide is Al2O3 Al2O AlO3 AlO The name of CuSO4 is Copper sulfate Copper(II)sulfate Copper sulfate(II) Copper (IV) sulfate The name of CaCl2 is Calcium chloride Calcium dichloride Dichloride Calcium The formula of Iron(II)sulfate is FeSO4 Fe(SO4)2 Fe2SO4 Fe2(SO4)3 An ionic compound should always have a metal in combination with a negative ion or a poly atomic ion. False True Loading … Question 1 of 5 Share this:TweetWhatsAppLike this:Like Loading...