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Cambridge IGCSE Physics practice

Paper 3 structured question: The atom

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3

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1

Marks

Topic

The atom

Exam-style question

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Paper 3Theory (Core)1 marks

Understanding atomic structure is crucial in physics.

Description

Atomic Structure

An atom consists of a nucleus surrounded by electrons. The nucleus contains protons and neutrons, while electrons orbit the nucleus.

  1. a

    State the components of an atom.

    Aim for approximately 1 distinct marking point.

    [1]

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Paper 3 structured question: The atom

Paper 3Theory (Core)3 marks

Description

Atomic Composition

Atoms are made up of a nucleus and electrons. The nucleus contains positively charged protons and neutral neutrons, while electrons are negatively charged and orbit the nucleus.

  1. a

    Explain the significance of the charges of protons and electrons in an atom.

    Aim for approximately 3 distinct marking points.

    [3]