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6.3 Nuclear equations and decay

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Question 49

An unstable nucleus undergoes gamma (γ\gammaγ) emission to release excess energy.

What happens to the total number of protons and neutrons inside this nucleus?

A

It decreases by four

B

It decreases by two

C

It remains unchanged

D

It increases by one

Markscheme

6.3 Nuclear equations and decay Questions

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

90 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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