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6.3 Nuclear equations and decay

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Question 52

A hypothetical unstable nucleus, X\mathrm{X}X, has mass number 219 and atomic number 87. It emits an alpha particle. The daughter nucleus then undergoes beta-minus decay.

The final nucleus is written ZAY{}^{A}_{Z}\mathrm{Y}ZA​Y.

Calculate the values of A A\,A and ZZZ.

[2]
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6.3 Nuclear equations and decay Questions

  1. GCSE
  2. /Physics
  3. /6.3 Nuclear equations and decay

120 exam-style questions on Edexcel GCSE Physics 6.3 Nuclear equations and decay, covering 6.3.1 Beta-minus and beta-plus decay, 6.3.2 Effects of decay on the nucleus, and 6.3.3 Balancing nuclear equations. Each one has a worked solution and a mark scheme showing where the marks go.

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