Formulae of ionic compounds

Formula of Potassium Chloride

• KCl2

• KCl

• KClO

• KClO3

What is the formula for iron(II) oxide?

• FeO₂

• FeO

• Fe₂O

• Fe₂O₃

NaCl represents 

• Sodium bicarbonate
• Sodium carbonate
• Sodium Chloride
• Calcium Carbonate

NaOH represents 

• Sodium bicarbonate
• Sodium carbonate
• Sodium Chloride
• Sodium Hydroxide

CaCO₃ represents

• Sodium bicarbonate

• Sodium carbonate

• Sodium Chloride

• Calcium Carbonate

MgO represents 

• Magnesium  Hydroxide
• Magnesium  Chloride
• Magnesium Oxide
• Sodium Nitrate

What is the correct chemical formula for water?

• H2O
• HO2
• H₂O
• H²O

MgO represents 

• Magnesium  Hydroxide
• Magnesium  Chloride
• Magnesium Oxide
• Sodium Nitrate

Ba²⁺ and Cl^- create...

• Ba₂Cl

• BaCl₂

• Ba₂Cl₂

• BaCl

Ca²⁺ and F^- create...

• Ca₂F₂

• Ca₃F

• CaF₂

• Ca₂F