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6.3 Nuclear equations and decay

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Question 21

A nucleus emits one alpha particle. Its daughter then undergoes one beta-minus decay. The original nucleus has mass number 238 and atomic number 92. Which pair describes the final nucleus?

[1]

mass number $233$ ; atomic number $90$

mass number $234$ ; atomic number $91$

mass number $238$ ; atomic number $91$

mass number $234$ ; atomic number $89$

Markscheme

6.3 Nuclear equations and decay Questions

GCSE
Physics
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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