Chapter 9 notes

Group Properties and Elements

Textbook and additional solved MCQs with interactive labs.

Multiple Choice Questions

Tick (✓) the correct answer. Tap an option to check yourself — the correct answer is highlighted instantly.

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⚗️ Interactive Lab: Halogen Displacement Station

Mix a halogen with a sodium halide solution

Halogens are reducing/oxidizing agents whose power decreases down the group: F₂ > Cl₂ > Br₂ > I₂. A halogen higher in this order will displace a halide ion lower in the order from its salt solution. Pick a combination to test it.

Pick a combination above!

🔥 Bonus: Alkali Metal + Water Reactivity

Reactivity with water increases down Group 1. Tap a metal to see how vigorously it reacts.

Ready when you are!