Skip to main content
O-LevelPhysicsNuclear Physics5054/11 · May/June 2023 · Q351 Mark

Atoms P and Q are isotopes of the same element. How does the composition of an atom of P compare with the composition of an atom of Q?

Anumber of protons: different; number of neutrons: different
Bnumber of protons: different; number of neutrons: same
Cnumber of protons: same; number of neutrons: different
Dnumber of protons: same; number of neutrons: same

✓ Correct answer

C: number of protons: same; number of neutrons: different

Practise more questions on this topic

Oracle Prep sorts past-paper questions by topic, so you can drill Nuclear Physics and see which topics are most likely to come up next.

Sign up free →

About this question

Topic
Nuclear Physics, O-Level Physics (syllabus 5054). Multiple choice, 1 mark.
Source
O-Level Physics, May/June 2023 Paper 1 Variant 1, question 35.

Questions and mark schemes are from past examination papers and remain the copyright of the exam board. How Oracle Prep builds its content

Related Physics questions

© 2026 Oracle Prep