💡 How to use this page: Draw energy level diagrams for every reaction you study. The visual makes the concept stick.

• 🌍 Why This Matters

• 📊 Key Equations

• 🔥 1 — Exothermic and Endothermic Reactions (5.1)

• ✏️ Worked Examples

• ❌ Common Mistakes

• ❓ Question Set

• 🎥 Past Paper Walkthroughs (coming soon)

• 🎯 Revision Checklist