What is the chemical formula for magnesium oxide:Group of answer choicesMg₂OMgO₂Mg₂O₃MgO

What is the formula for an ionic compound made of magnesium and sulfurGroup of answer choicesMgSMgS2Mg2SMg2S3none of the above.

Choose the correct chemical formula for magnesium acetate which contains one magnesium atom, four carbon atoms, six hydrogen atoms and four oxygen atoms. 1 - Mg(CHO)42 - MgC4(H2O2)23 - Mg(C2H3O2)24 - MgC2H3O2

Element/polyatomic ion Symbol Oxidation numberPotassium K 1+Magnesium Mg 2+Oxygen O 2−Nitrate NO3 1−Sulfate SO4 2−Phosphate PO4 3−What is the correct formula for magnesium nitrate?Multiple choice question.Mg2(NO3)2Mg2NO3MgNO3Mg(NO3)2

Write the formula for: Magnesium phosphate

How many formula units of magnesium oxide will form when excess magnesium reacts with 480 molecules of oxygen?