Chemical Formulae Quiz

Which of the following compounds is classified as ionic?

• Sulfur dioxide

• Zinc

• Sodium chloride

• Water

Which of the following compounds is classified as covalent?

• Calcium oxide

• Water

• Iron

• Magnesium

Which of the following compounds is classified as metallic?

• Carbon dioxide

• Lithium hydroxide

• Iron

• Sodium chloride

What is the chemical symbol for Zinc?

• Zn

• Z

• Zc

• Zi

What is the chemical symbol for Lead?

• Pb

• L

• Le

• P

Which elements are present in the compound H₂?

• Hydrogen and Oxygen

• Hydrogen and Helium

• Hydrogen only

• Hydrogen and Nitrogen

Which elements are present in the compound H₂O?

• Hydrogen and Oxygen

• Hydrogen and Helium

• Hydrogen and Nitrogen

• Hydrogen and Carbon

Which elements are present in the compound CO₂?

• Carbon and Oxygen

• Carbon and Hydrogen

• Carbon and Nitrogen

• Carbon and Helium

Which elements are present in the compound NaOH?

• Sodium, Oxygen, and Hydrogen

• Sodium, Oxygen, and Helium

• Sodium, Oxygen, and Nitrogen

• Sodium, Oxygen, and Carbon

Which elements are present in the compound N₂O₄?

• Nitrogen and Oxygen

• Nitrogen and Hydrogen

• Nitrogen and Carbon

• Nitrogen and Helium