Building Chemical Formula

What is the correct formula for an ionic compound formed between sodium (Na) and chlorine (Cl)?

• NaCl

• NaCl₂

• Na₂Cl

• NaCl₃

Which of the following is the correct formula for the ionic compound formed between magnesium (Mg) and oxygen (O)?

• MgO

How do you write the formula for an ionic compound formed between aluminium (Al) and oxygen (O)?

• AlO

• Al₂O₃

• AlO₃

• Al₃O₂

For the ionic compound formed between potassium (K) and iodine (I), which of the following is the correct formula?

• KI

• K₂I

• KI₂

• K₂I₂

Which of the following represents the correct formula for the ionic compound formed between barium (Ba) and fluorine (F)?

• BaF

• BaF₂

• Ba₂F

• Ba₂F₂

What is the correct formula for the ionic compound formed between lithium (Li) and oxygen (O)?

• LiO

• Li₂O

• LiO₂

• Li₂O₂

How do you write the formula for an ionic compound formed between iron (III) (Fe) and chlorine (Cl)?

• FeCl

• FeCl₂

• Fe₂Cl₃

• FeCl₃

For the ionic compound formed between copper (II) (Cu) and oxygen (O), which of the following is the correct formula?

• CuO

• Cu₂O

• CuO₂

• Cu₂O₂

What is the chemical formula for sodium carbonate?

• NaCO₃

• Na₃CO₂

• Na₂CO₃

• NaCO₂

Which of the following represents the correct formula for the ionic compound formed between zinc (Zn) and chlorine (Cl)?

• ZnCl

• ZnCl₂

• Zn₂Cl

• Zn₂Cl₂