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6.3 Nuclear equations and decay

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Question 13

A database contains a record of a nucleus before it emits gamma radiation.

Two technicians propose different records for the nucleus after the emission.

RecordNumber of protonsNumber of neutrons
Before emission2631
Proposed record P2631
Proposed record Q2630

Explain which proposed record should be entered in the database.

[2]
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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