Learning objective

Describe and explain why reactivity decreases down Group 7.

Read the explanation, check the common trap, then practise with flashcards and questions.

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At a glance

Flashcards

Questions

Topic

The periodic table

Subtopic

Group 7

AQA GCSE ChemistryAtomic structure and the periodic table

Study support

Understand this objective

Short explanation

Describe and explain why reactivity decreases down Group 7. This objective belongs to Group 7 within The periodic table for AQA GCSE Chemistry 8462. A strong answer should use Group 7 accurately, explain the chemistry behind the statement, and connect the idea back to the exact command in the objective. When revising, separate this point from neighbouring Chemistry ideas by naming the relevant particle, substance, process, calculation, observation, or structure before giving the final conclusion.

Key concepts

Group 7reactivity

Why it matters

This objective helps connect Group 7 to exam-style questions, flashcards, and revision notes for The periodic table.

Common mistakes

1 linked

Reactivity Misunderstanding: Focus on the concept that as you move down Group 7, the outer electrons are further from the nucleus, making it harder for the atom to attract additional electrons, thus decreasing reactivity.

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