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Cambridge IGCSE Chemistry practice

Paper 4 structured question: Metallic bonding

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4

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3

Marks

Topic

Metallic bonding

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Paper 4Theory (Extended)3 marks

Properties of metals and their bonding.

Description

Metallic Bonding Characteristics

Metals exhibit high melting points, electrical conductivity, and malleability due to their bonding structure.

  1. a

    Explain how metallic bonding contributes to the electrical conductivity of metals.

    Aim for approximately 3 distinct marking points.

    [3]

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Paper 4 structured question: Metallic bonding

Paper 4Theory (Extended)1 marks

Description

Metallic Bonding

Metallic bonding involves a structure where positively charged ions are surrounded by delocalised electrons. This structure contributes to various properties of metals.

  1. a

    State the main feature of metallic bonding.

    Aim for approximately 1 distinct marking point.

    [1]