💡 How to use this page: Tap any section to expand. Simulations are placed right after each concept — try them while the idea is fresh.

• 🌍 Why This Matters

• 🧮 Maths You Need Here
• Key Equations

• ⚛️ 1 — Atomic Structure (5.1)

• ➕ 2 — Ions and Charge (5.2)

• 🔬 3 — Nuclear Model & Alpha Scattering (5.3)

• ☢️ 4 — Radioactive Decay (5.4)

• α β γ 5 — Alpha, Beta and Gamma Radiation (5.5)

• 🧮 6 — Nuclear Equations (5.6)

• 📟 7 — Detection, Count Rate & Background Radiation (5.7)