Physics · May / June 2023 · Paper 11 · Question 36
The nucleus of an atom emits an alpha-particle. How do the proton number and nucleon number change?
- Adecreases by 2 / decreases by 4
- Bdecreases by 4 / decreases by 2
- Cincreases by 2 / increases by 4
- Dincreases by 4 / increases by 2
As printed in the paper
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Correct answer: A. decreases by 2 / decreases by 4
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