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6.3 Nuclear equations and decay

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Question 39

Tritium (3H{}^{3}\text{H}3H) is a radioactive isotope of hydrogen that decays into helium-3.

The symbol for helium-3 is 23He{}^{3}_{2}\text{He}23​He.

Explain what happens in a tritium nucleus when it decays to a helium-3 nucleus.

[2]
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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