Formula Writing

What is the correct formula for diphosphorus tetraoxide

• P₂O₄

• PO₂

• P₄O₂

• P₂O

What is the correct formula for dinitrogen trioxide

• N₂O₃

• N₃O₂

• NO₂

Which is the correct formula for carbon monoxide?

• CO₂

• CO

• C₂O₄

• O₂

What is the correct formula for copper II oxide

• Cu₂O₂

• Cu₂O

• CuO

• CuO₂

What is the formula for sodium chloride

• NaCl

• NaCl₂

• Na₂Cl₂

• Na₂Cl

Phosphate is a polyatomic, PO₄ ^3-

What would the correct formula be for sodium phosphate?

• Na(PO₄)₃

• Na₃PO₄

• Na₄PO₃

Sulfate is a polyatomic, SO₄^2-

What is the formula for aluminium sulfate

• Al₂(SO₄)₃

• Al₃(SO₄)₂

• AlSO₄

What is the formula for magnesium oxide

• Mg₂O₂

• MgO

• MgO2

• Mg₂O

Which list contains substances with only covalent bonds?

• NaCl, H₂O, CO₂

• NH₃, H₂O, CO₂

• NH₄Cl, H₂O, CO₂

• NaOH, H₂O, CO₂

Which list of substances only contains ionic substances?

• Na₂SO₄, NaCl,

  K₂S

• NH₃, NaCl,

  K₂S

• MgBr₂, NaCl,

  K₂S

• MgSO₄, NaCl,

  K₂S