jorgelive392 jorgelive392 08-01-2024 Chemistry contestada Write the formulas for the following ionic compounds: a) Sodium oxide b) Iron sulfide containing the Fe²⁺ ion a. NaO, FeS b. Na₂O, Fe₂S₃ c. Na₂O₂, FeS₂ d. Na₂O₃, FeS₄