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6.3 Nuclear equations and decay

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Question 6

A laboratory has two radioactive samples.

Sample X contains magnesium-27, 1227Mg{}^{27}_{12}\mathrm{Mg}1227​Mg, which decays by beta-minus emission.

Sample Y contains silicon-27, 1427Si{}^{27}_{14}\mathrm{Si}1427​Si, which decays by beta-plus emission.

The table gives the symbols of some elements.

atomic number1112131415
symbolNaMgAlSiP

Which option gives the daughter nucleus formed from each sample?

[1]
A

X: 1127Na{}^{27}_{11}\mathrm{Na}1127​Na; Y: 1527P{}^{27}_{15}\mathrm{P}1527​P

B

X: 1226Mg{}^{26}_{12}\mathrm{Mg}1226​Mg; Y: 1426Si{}^{26}_{14}\mathrm{Si}1426​Si

C

X: 1326Al{}^{26}_{13}\mathrm{Al}1326​Al; Y: 1326Al{}^{26}_{13}\mathrm{Al}1326​Al

D

X: 1327Al{}^{27}_{13}\mathrm{Al}1327​Al; Y: 1327Al{}^{27}_{13}\mathrm{Al}1327​Al

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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