Balancing Chemical Equations Worksheet

Name:

Date:

🎯 WALT (We Are Learning To)

Balance chemical equations by adjusting coefficients to ensure equal numbers of atoms on both sides of the equation.

📋 Success Criteria

By the end of this worksheet, I can:

Count atoms of each element on both sides of an equation

Add coefficients to balance simple equations

Balance more complex equations with multiple elements

Check my work by counting atoms after balancing

📖 Instructions

Remember: Only change the numbers in front of the formulas (coefficients). Never change the chemical formulas themselves!

⚗️ Part 1: Basic Balancing (Foundation Level)

1. Balance this equation by filling in the coefficients:

_____ H₂ + _____ O₂ → _____ H₂O

2. Balance this equation:

_____ Mg + _____ O₂ → _____ MgO

3. Balance this equation:

_____ N₂ + _____ H₂ → _____ NH₃

4. Balance this equation:

_____ Al + _____ Cl₂ → _____ AlCl₃

5. Which equation is already balanced?

H₂ + O₂ → H₂O

2H₂ + O₂ → 2H₂O

H₂ + 2O₂ → H₂O

3H₂ + O₂ → 3H₂O

6. Show your working for question 1 by counting atoms:

🔬 Part 2: Intermediate Balancing

7. Balance this combustion equation:

_____ C₃H₈ + _____ O₂ → _____ CO₂ + _____ H₂O

8. Balance this equation:

_____ Fe + _____ CuSO₄ → _____ FeSO₄ + _____ Cu

9. Balance this equation:

_____ Ca(OH)₂ + _____ HCl → _____ CaCl₂ + _____ H₂O

10. Extension Challenge: Balance this more complex equation:

_____ C₄H₁₀ + _____ O₂ → _____ CO₂ + _____ H₂O

11. Explain in your own words why we balance chemical equations:

12. Advanced Extension: Create your own balanced equation using the elements Na, Cl, and O:

🌟 Differentiation Support

Need Extra Help? Try These Strategies:

Start by counting atoms of each element

Use different colours for different elements

Work with a partner to check your answers

Ask your teacher for a periodic table reference

Ready for More Challenge?

13. Expert Level: Balance this complex equation:

_____ Al₂(SO₄)₃ + _____ Ca(OH)₂ → _____ Al(OH)₃ + _____ CaSO₄

14. Research and write one real-world application where balanced chemical equations are important:

Balancing Chemical Equations Worksheet

Balancing Chemical Equations Worksheet

🎯 WALT (We Are Learning To)

📋 Success Criteria

📖 Instructions

⚗️ Part 1: Basic Balancing (Foundation Level)

🔬 Part 2: Intermediate Balancing

🌟 Differentiation Support

Need Extra Help? Try These Strategies:

Ready for More Challenge?

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