Ionic compounds formulas and names

What would be the proper chemical formula for combining Al³⁺ and Cl^- :

• AlCl₃
• Al₃Cl
• AlCl
• Al₃Cl₃

Name the following ionic compound: BeCl₂

• beryllium chlorine
• beryllium II chloride
• beryllium chloride
• beryllium dichloride

Name the following ionic compound: MgSO₄

• magnesium sulfoxide
• magnesium sulfide
• magnesium sulfate
• magnesium oxide

Name the following compound: FeCl₃

• iron chloride
• iron III chloride
• iron chlorate
• iron III chlorate

copper(II) chloride

• CuCl₂
• CuCl
• Cu₂Cl
• Cu₂Cl₂

What is the correct formula for Sodium Oxide?

• NaO
• NaO₂
• Na₂O
• Na₂O₂

NH₄Cl

• ammonium chloride
• ammonium chlorine
• nitrogen hydrogen chloride
• nitrogen chloride

magnesium carbonate

• Mg₂C
• Mg₂CO₄
• Mg₂(CO₃)₂
• MgCO₃

What is the correct name for the compound MgO?

• magnesium oxide

• magnesium hydroxide

• magnesium chloride

• magnesium carbonate

What is the correct name for the compound NaCl?

• calcium chloride

• potassium chloride

• sodium chloride

• sodium bromide