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Cambridge IGCSE Chemistry practice

Paper 3 structured question: Formulae

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3

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1

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Topic

Formulae

Exam-style question

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Paper 3Theory (Core)1 marks

A diagram shows 1 carbon atom and 4 hydrogen atoms.

Description

Compound Diagram

The diagram represents a methane molecule.

  1. a

    Determine the formula of the compound represented in the diagram.

    Aim for approximately 1 distinct marking point.

    [1]

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Paper 3 structured question: Formulae

Paper 3Theory (Core)1 marks

Description

Compound Model

The model illustrates the arrangement of atoms in a water molecule.

  1. a

    State the formula of the compound based on the model.

    Aim for approximately 1 distinct marking point.

    [1]