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Radioactivity (A-level only)

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Question 21

The radioactive nuclide 92238U^{238}_{92}\text{U}92238​U decays by two α \alpha\,α emissions followed by two β−\beta^-β− emissions.

Which nuclide is formed as a result of these decays?

A

92234U^{234}_{92}\text{U}92234​U

B

90234Th^{234}_{90}\text{Th}90234​Th

C

90230Th^{230}_{90}\text{Th}90230​Th

D

88230Ra^{230}_{88}\text{Ra}88230​Ra

Markscheme

Radioactivity (A-level only) Questions

  1. A Level
  2. /Physics
  3. /Radioactivity (A-level only)

128 exam-style questions on AQA A Level Physics Radioactivity (A-level only), covering Rutherford scattering (A-level only), $\alpha$ , $\beta$ and $\gamma$ radiation (A-level only), Radioactive decay (A-level only), Nuclear instability (A-level only), Nuclear radius (A-level only), Mass and energy (A-level only), Induced fission (A-level only), and Safety aspects (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.

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