O-LevelPhysicsNuclear Physics5054/11 · May/June 2021 · Q381 Mark

In one radioactive decay, radium-226 decays to radon-222 as shown. ²²⁶₈₈Ra → ²²²Rn Which particles are also produced?

Aboth an alpha-particle and a beta-particle

Ban alpha-particle only

Cbeta-particle only

Dneutron

✓ Correct answer

B: an alpha-particle only

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Topic: Nuclear Physics, O-Level Physics (syllabus 5054). Multiple choice, 1 mark.
Source: O-Level Physics, May/June 2021 Paper 1 Variant 1, question 38.

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