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6.3 Nuclear equations and decay

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Question 60

A diagnostic kidney scan using a gamma camera takes approximately 45 minutes to complete.

The radiopharmaceutical used as a tracer has a half-life of about 8 hours.

State why an alternative isotope with a half-life of only 5 minutes is not suitable.

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Markscheme

6.3 Nuclear equations and decay Questions

  1. GCSE
  2. /Physics
  3. /6.3 Nuclear equations and decay

90 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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