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Cambridge IGCSE Chemistry practice

Paper 3 structured question: Elements, compounds and mixtures

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Elements, compounds and mixtures

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Paper 3Theory (Core)1 marks

Understanding the differences between elements, compounds, and mixtures is fundamental in chemistry.

Description

Differences in Matter

Elements, compounds, and mixtures are the three main types of substances in chemistry. Elements consist of only one type of atom, compounds are made of two or more different atoms chemically bonded, and mixtures are combinations of substances that retain their individual properties.

  1. a

    State the definition of an element.

    Aim for approximately 1 distinct marking point.

    [1]

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Paper 3 structured question: Elements, compounds and mixtures

Paper 3Theory (Core)3 marks

Description

Differences in Matter

Elements, compounds, and mixtures are the three main types of substances in chemistry. Elements consist of only one type of atom, compounds are made of two or more different atoms chemically bonded, and mixtures are combinations of substances that retain their individual properties.

  1. b

    Explain the difference between a compound and a mixture.

    Aim for approximately 3 distinct marking points.

    [3]