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6.3 Nuclear equations and decay

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Question 17

A decay sequence begins with 92235U{}^{235}_{92}\mathrm{U}92235​U. During the sequence, three alpha particles and one beta-minus particle are emitted. The table lists four possible results.

rowmass numberatomic number
P22385
Q22386
R22387
S23587

Which row gives the mass number and atomic number of the nucleus at the end of the sequence?

[1]
A

row P

B

row R

C

row S

D

row Q

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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