Physics (AS & A Level) · May / June 2022 · Paper 11 · Question 39

A nucleus of a radioactive element emits an α-particle, then a β– particle and then another β– particle. Which statement describes the final element that is produced?

1. AIt is a different element of higher proton number than the original element.
2. BIt is a different element of lower nucleon number than the original element.
3. CIt is an isotope of the original element.
4. DIt is the same element as the original element but with a different proton number.

As printed in the paper