Physics path · GCSE Physics

Where do alpha-decay numbers first stop balancing?

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Practice question

A university archive checks a sealed legacy source. Each parent nucleus has mass number 226 and atomic number 88, then emits one alpha particle. In this equation, the alpha particle has mass number 4 and atomic number 2. Determine the mass number and atomic number of the daughter nucleus.

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Official curriculum

4.4.2.2 Nuclear equations

This challenge practises knowledge and exam skills from the official GCSE science curriculum. Use these sources to see the exact subject content and its wider Key Stage 4 context.

AQA specification 4.4.2.2 Nuclear equations GOV.UK Key Stage 4 science programme

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