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Outline the characteristics of ionic compounds, including (a) their high melting and boiling points, and (b) their ability to conduct electricity when dissolved in water or melted, but not when solid.

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Cambridge IGCSE ChemistryAtoms, elements and compoundsCore content

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Quick explanation

Outline the characteristics of ionic compounds, including (a) their high melting and boiling points, and (b) their ability to conduct electricity when dissolved in water or melted, but not when solid

  • This point belongs to Ions and ionic bonds, especially Ions and ionic bonds outcomes.
  • You need to be able to outline the characteristics of ionic compounds, including (a) their high melting and boiling points, and (b) their ability to conduct electricity when dissolved in water or melted, but not when solid.
  • The key ideas to know are Describe and List.
  • Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.

Key concepts

DescribeList

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Paper 3 structured question: Ions and ionic bonds

Paper 3Theory (Core)1 marks

Description

Properties of Ionic Compounds

Ionic compounds are known for their high melting and boiling points and their ability to conduct electricity when dissolved in water or melted.

  1. a

    State one characteristic of ionic compounds related to their melting points.

    Aim for approximately 1 distinct marking point.

    [1]
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