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Cambridge IGCSE Combined Science practice

Paper 4 structured question: Ions and ionic bonds

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2

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Ions and ionic bonds

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Paper 4Theory (Extended)2 marks

Understanding ionic bonds is essential for studying chemical compounds.

Description

Formation of Ionic Bonds

Ionic bonds involve the interaction between metallic and non-metallic ions.

  1. a

    Describe the use of dot-and-cross diagrams in representing ionic bonds.

    Aim for approximately 2 distinct marking points.

    [2]

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Paper 4 structured question: Ions and ionic bonds

Paper 4Theory (Extended)3 marks

Description

Ionic Bonding

Ionic bonds are formed when electrons are transferred from metals to non-metals, resulting in the formation of ions.

  1. a

    Explain how ionic bonds are formed between metallic and non-metallic ions.

    Aim for approximately 3 distinct marking points.

    [3]