Question 32
FHydrogen-3 is a radioactive isotope of hydrogen.
The Figure shows a hydrogen-3 nucleus before it decays, and the new nucleus and the particle X formed after it decays.
Figure
a.[1]
Give the mass number of the nucleus before the decay.
b.[1]
Give the atomic number of the nucleus after the decay.
c.[2]
Identify particle X.
Give a reason for your answer.
d.[2]
Explain why the nucleus after the decay is a different element from hydrogen.
6.3 Nuclear equations and decay Questions
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.