Atomic StructureExam Focus

Exam Focus

Part of Group 1: Alkali MetalsGCSE Chemistry

This exam focus covers Exam Focus within Group 1: Alkali Metals for GCSE Chemistry. Revise Group 1: Alkali Metals in Atomic Structure for GCSE Chemistry with 20 exam-style questions and 20 flashcards. This topic appears less often, but it can still be a useful differentiator on mixed-topic papers. It is section 10 of 12 in this topic. Treat this as a marking guide for what examiners are looking for, not just a fact list.

Topic position

Section 10 of 12

Practice

20 questions

Recall

20 flashcards

🎯 Exam Focus

Frequently Examined

Group 1 is examined heavily, particularly explaining the reactivity trend and writing equations for reactions with water. Common question types: write/balance equations for reactions with water (2 marks); state observations when an alkali metal is added to water (3 marks); explain why reactivity increases down the group (3 marks). Higher tier students may be asked to compare Group 1 and Group 7 reactivity trends and explain both in terms of electronic structure and nuclear attraction.

Keep building this topic

Read this section alongside the surrounding pages in Group 1: Alkali Metals. That gives you the full topic sequence instead of a single isolated revision point.

Practice Questions for Group 1: Alkali Metals

How many electrons do alkali metals have in their outermost shell?

  • A. 1
  • B. 2
  • C. 7
  • D. 8
1 markfoundation

Explain why potassium is more reactive than sodium when it reacts with water.

3 marksstandard

Quick Recall Flashcards

Equation: sodium + water →
2Na + 2H₂O → 2NaOH + H₂
More reactive: Li or K?
Potassium (further down = more reactive)

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