May/June 2026 Paper 22

2026 · 40 questions · 40 parts · 40 marks

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36Radioactive Decay Nuclear EquationsMedium1 mark
A nucleus of radon, Rn, emits an -particle and changes into a nucleus of polonium, Po. The equation shows the change.
What are the values of and ?
A21084
B21088
C21884
D21888