Radioactive isotopes are widely used in medicine for both medical imaging (diagnosis) and therapy (treatment).
Describe one way a radioactive isotope is used as a medical tracer to diagnose a condition, and one way a radioactive isotope is used in radiotherapy to treat a disease.
In your answer, you should explain how the physical properties (such as half-life and radiation type) of the isotopes make them suitable for each purpose.
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.