Formula of Oxides

Oxygen is a non-metal in Group VI. What is the formula of oxide ion?

• O⁺

• O²⁺

• O^-

• O^2-

Sodium oxide is a basic oxide with the formula of...

• NaO

• NaO₂

• NaO₃

• Na₂O

Calcium oxide is a basic oxide with the formula of...

• CaO

• CaO₂

• Ca₂O

• Ca₂O₂

Zinc oxide is an amphoteric oxide with the formula of...

• ZnO

• ZnO₂

• Zn₂O

• Zn₂O₂

Magnesium is in Group II.

Magnesium oxide is a basic oxide with the formula of...

• MgO

• MgO₂

• Mg₂O

• Mg₂O₂

Aluminium is in Group III.

Aluminium oxide is an amphoteric oxide with the formula of...

• Al₃O

• AlO₃

• Al₂O₃

• Al₃O₂

Iron(III) oxide is a basic oxide with the formula of...

• Fe₃O

• FeO₃

• Fe₂O₃

• Fe₃O₂

Potassium is in Group I.

Potassium oxide is a basic oxide with the formula of...

• KO

• KO₂

• KO₃

• K₂O

Carbon dioxide is an acidic oxide with the formula of...

• CO

• CO₂

• CO₃

• C₂O

What is the chemical name of the neutral oxide CO?