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6.3 Nuclear equations and decay

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Question 4

A detector identifies the daughter from an alpha decay as 88224Ra_{88}^{224}\text{Ra}88224​Ra. What numbers of protons and neutrons were present in the parent nucleus?

[1]
A

909090 protons; 136136136 neutrons

B

868686 protons; 134134134 neutrons

C

909090 protons; 138138138 neutrons

D

888888 protons; 138138138 neutrons

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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