May/June 2026 Paper 13

2026 · 40 questions · 40 parts · 40 marks

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39Radioactive Decay Nuclear EquationsMedium1 mark
A nucleus undergoes decay.
A neutrino and two other particles are produced in this decay.
Which other two particles are produced?
positronelectronprotonneutron
A✓✗✗✓
B✗✓✓✗
C✗✓✗✓
D✓✗✓✗
Key: a tick (✓) shows the particle is produced; a cross (✗) shows it is not produced.