💡 How to use this page: Know the trends in each group and period cold. Exam questions on Group I, Group VII and transition elements come up almost every year.

• 🌍 Why This Matters

• 🗓️ 1 — Arrangement of Elements (8.1)

• 🔥 2 — Group I — The Alkali Metals (8.2)

• 🟡 3 — Group VII — The Halogens (8.3)

• 🪨 4 — Transition Elements (8.4)

• 🟣 5 — Noble Gases (8.5)

• 🔬 Try it — Periodic Table Sims

• ✏️ Worked Examples

• ❌ Common Mistakes