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Cambridge IGCSE Combined Science practice

Paper 3 structured question: Ions and ionic bonds

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Ions and ionic bonds

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Paper 3Theory (Core)2 marks

Consider the behavior of ionic compounds in different states.

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Ionic Compounds in Different States

Ionic compounds behave differently when solid, dissolved in water, or melted. Analyze these behaviors.

  1. a

    Explain why ionic compounds do not conduct electricity in solid form.

    Aim for approximately 2 distinct marking points.

    [2]

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Paper 3 structured question: Ions and ionic bonds

Paper 3Theory (Core)2 marks

Description

Properties of Ionic Compounds

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

  1. a

    Outline the characteristics of ionic compounds.

    Aim for approximately 2 distinct marking points.

    [2]