CourseCourseConceptConceptDocsDocuments

Edexcel IGCSE Chemistry 2 27c Why Alloys Are Harder Questions

Practise explaining alloy hardness from particle diagrams, linking different-sized atoms to disrupted layers and reduced sliding.

Syllabus
First assessment 2019
Course
Chemistry 4CH1

Exam points

  • use alloy structure diagrams to compare regular metal layers with distorted arrangements
  • explain that different-sized atoms disrupt layers, making particle sliding more difficult

Edexcel IGCSE Chemistry 2 27c Why Alloys Are Harder Questions question 1

[Maximum number: 3]

This question is about metals.

Magnalium is an alloy of aluminium and magnesium.

The diagram shows how the atoms are arranged in this alloy.

Figure for Question Edexcel IGCSE Chemistry 2 27c Why Alloys Are Harder Questions question 1 — Edexcel IGCSE Chemistry

Explain why magnalium is harder than aluminium.

All question bank results loaded