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Edexcel A-Level Chemistry AS 3.3 Draw Dot and Cross Diagrams to Show Electrons in Cations and Anions Questions

Determine each ion charge and formula ratio first, then show only outer electrons with distinct symbols and place the complete electron shells inside charged brackets.

Syllabus
First assessment 2019
Course
Chemistry YCH11
Level
AS

Exam points

  • Draw ionic dot-and-cross diagrams with correct ion ratio, brackets and charges.
  • Show transferred outer electrons distinctly and complete each anion electron shell.

Edexcel A-Level Chemistry AS 3.3 Draw Dot and Cross Diagrams to Show Electrons in Cations and Anions Questions question 1

[Maximum number: 2]

This question is about magnesium, magnesium oxide and magnesium sulfate.

Magnesium oxide and magnesium sulfate are ionic compounds.

Draw a dot-and-cross diagram to show the bonding in magnesium oxide, MgO .
Show outer electrons only.

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