Magnesium sulfide represented by the chemical formula MgS that bears the IUPAC name sulfanylidenemagnesium is a white crystalline inorganic compound that is moderately soluble in water and acid. The formula for aluminum oxide is Al2O3. What Is The Formula For An Ionic Compound Made Of Magnesium And Sulfur Lisbdnet Com Aluminium oxide contains Al 3 and O 2 ions. . In order to bond ionically the charges must be equal. It is an ionic compound of magnesium and sulfur. 30 What is the formula for an ionic compound made of aluminum and oxygen. - 4155031 ambrose7616 ambrose7616 06212017 Chemistry High School answered What is the formula for an ionic compound made of magnesium and sulfur. What is the formula for an ionic compound made of magnesium and sulfur A MgS B from CHEM 113 at Northwest Missouri State University. The formula for an ionic compound must contain the same number of positive and negative charges. ...