Physics · May / June 2021 · Paper 11 · Question 38
In one radioactive decay, radium-226 decays to radon-222 as shown. \[^{226}_{88}\text{Ra} \rightarrow {}^{222}_{86}\text{Rn}\] Which particles are also produced?
- Aboth an alpha-particle and a beta-particle
- Ban alpha-particle only
- Ca beta-particle only
- Da neutron
As printed in the paper
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Correct answer: B. an alpha-particle only
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