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Edexcel IGCSE Chemistry 1.40 Ionic Dot and Cross Diagrams Questions

Practise ionic dot-and-cross questions by drawing ions, showing electron transfer and using the correct atom ratio for compounds.

Syllabus
First assessment 2019
Course
Chemistry 4CH1

Exam points

  • Draw outer-shell diagrams for ions in compounds such as sodium oxide or calcium chloride.
  • Include correct ion charges and full outer shells after electron transfer.
  • Describe electron transfer using the correct atom ratio and named ions.

Edexcel IGCSE Chemistry 1.40 Ionic Dot and Cross Diagrams Questions question 1

[Maximum number: 3]

This question is about Group 2 elements and their compounds.

Magnesium oxide is an ionic compound.

The diagrams show the atoms of magnesium and oxygen.

Figure for Question Edexcel IGCSE Chemistry 1.40 Ionic Dot and Cross Diagrams Questions question 1 — Edexcel IGCSE Chemistry

Draw diagrams to show the structure of each ion in magnesium oxide. Include the charge on each ion.

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