Practice worksheets
Each compound profile includes practice questions with hints and answers. Start with popular classroom compounds, then explore the full library.
Sodium Chloride
NaCl · 4 questions
Sodium Hydroxide
NaOH · 4 questions
Water
H₂O · 5 questions
Carbon Dioxide
CO₂ · 4 questions
Ethanol
C₂H₆O · 4 questions
Ammonia
NH₃ · 4 questions
Calcium Carbonate
CaCO₃ · 4 questions
Hydrochloric Acid
HCl · 4 questions
Sulfuric Acid
H₂SO₄ · 4 questions
Acetic Acid
C₂H₄O₂ · 4 questions
Calcium Chloride
CaCl₂ · 4 questions
Sodium Carbonate
Na₂CO₃ · 4 questions
Carbon Monoxide
CO · 4 questions
Sulfur Dioxide
SO₂ · 4 questions
Potassium Chloride
KCl · 4 questions
Glucose
C₆H₁₂O₆ · 4 questions
Silver Nitrate
AgNO₃ · 4 questions
Methane
CH₄ · 4 questions
Methanol
CH₃OH · 4 questions
Butane
C₄H₁₀ · 4 questions
Acetone
C₃H₆O · 4 questions
Benzene
C₆H₆ · 4 questions
Sucrose
C₁₂H₂₂O₁₁ · 4 questions
Propane
C₃H₈ · 4 questions
Calcium Hydroxide
Ca(OH)₂ · 4 questions
Nitric Oxide
NO · 4 questions
Potassium Nitrate
KNO₃ · 4 questions
Ammonium Chloride
NH₄Cl · 4 questions
Sodium Bicarbonate
NaHCO₃ · 4 questions
Potassium Hydrogen Phthalate
KHC₈H₄O₄ · 4 questions
Potassium Chlorate
KClO₃ · 4 questions
Octane
C₈H₁₈ · 4 questions
Hydrofluoric Acid
HF · 4 questions
Sodium Sulfate
Na₂SO₄ · 4 questions
Potassium Bromide
KBr · 4 questions
Copper(II) Sulfate
CuSO₄ · 4 questions
Citric Acid
C₆H₈O₇ · 4 questions
Calcium Phosphate
Ca₃(PO₄)₂ · 4 questions
Magnesium Chloride
MgCl₂ · 4 questions
Salicylic Acid
C₇H₆O₃ · 4 questions
Potassium Iodide
KI · 4 questions
Potassium Hydroxide
KOH · 4 questions
Aspirin
C₉H₈O₄ · 4 questions
Ethylene Glycol
C₂H₆O₂ · 4 questions
Aluminum Sulfate
Al₂(SO₄)₃ · 4 questions
Hexane
C₆H₁₄ · 4 questions
Sodium Phosphate
Na₃PO₄ · 4 questions
Urea
CH₄N₂O · 4 questions
Phosphoric Acid
H₃PO₄ · 4 questions
Magnesium Oxide
MgO · 4 questions
Prefer a guided lesson first? Visit the calculation guide.