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A nucleus of thorium-232 (90232Th^{232}_{90}\text{Th}90232​Th) undergoes a series of radioactive decays to form a stable nucleus of lead-208 (82208Pb^{208}_{82}\text{Pb}82208​Pb).

How many α \alpha\,α particles and β−\beta^-β− particles are emitted during this decay series?

6α6\alpha6α and 4β−4\beta^-4β−

6α6\alpha6α and 8β−8\beta^-8β−

8α8\alpha8α and 8β−8\beta^-8β−

4α4\alpha4α and 4β−4\beta^-4β−

Radioactive decay, half-life and uses Questions

Practise Edexcel GCSE Physics Radioactive decay, half-life and uses with exam-style questions for Foundation and Higher tier. 100 questions, matched to the Edexcel GCSE Physics (1PH0) specification and written in Paper 1 and Paper 2 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.

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Radioactive decay, half-life and uses Questions

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