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6.3 Nuclear equations and decay

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Question 11

Radium-226 is a radioactive isotope that decays by emitting an alpha particle to form radon (Rn).

Complete the nuclear equation below by finding the values of A, B, and C.

88226Ra→BARn+C4α {}_{88}^{226}\text{Ra} \rightarrow {}_{\text{B}}^{\text{A}}\text{Rn} + {}_{\text{C}}^{4}\alpha 88226​Ra→BA​Rn+C4​α
[3]
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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