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Cambridge IGCSE Physics practice

Paper 4 structured question: Radioactive decay

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Radioactive decay

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Paper 4Theory (Extended)1 marks

Radioactive decay processes are important in nuclear physics.

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Decay of Carbon-14

Carbon-14 undergoes beta decay to form Nitrogen-14. The decay can be represented in nuclide notation.

  1. a

    State the change in atomic number when Carbon-14 decays to Nitrogen-14.

    Aim for approximately 1 distinct marking point.

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Paper 4 structured question: Radioactive decay

Paper 4Theory (Extended)1 marks

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Decay of Uranium-238

Uranium-238 undergoes alpha decay to form Thorium-234 and an alpha particle. Write the decay equation in nuclide notation.

  1. a

    Show the decay equation for Uranium-238 in nuclide notation.

    Aim for approximately 1 distinct marking point.

    [1]