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6.3 Nuclear equations and decay

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Question 27

A nucleus contains 13 protons and 14 neutrons. It undergoes beta-plus decay and the daughter then emits gamma radiation. Which description of the final nucleus is correct?

[1]

$12$ protons and $15$ neutrons; lower energy than before gamma emission.

$14$ protons and $13$ neutrons; lower energy than before gamma emission.

$12$ protons and $15$ neutrons; higher energy than before gamma emission.

$14$ protons and $13$ neutrons; higher energy than before gamma emission.

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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