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6.3 Nuclear equations and decay

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Question 14
F

A nucleus has mass number 24 and atomic number 11. It undergoes beta-minus decay. Which statement gives the neutron number of the daughter and the reason for the change?

[1]
A

141414, because a proton becomes a neutron.

B

121212, because a neutron becomes a proton.

C

131313, because an electron leaves the nucleus.

D

121212, because a neutron leaves the nucleus.

Markscheme

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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