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Relative masses of atoms and molecules past paper questions

Chemistry 9701 · Atoms, molecules and stoichiometry. 1 define the unified atomic mass unit as one twelfth of the mass of a carbon-12 atom 2 define relative atomic mass, Ar, relative isotopic mass, relative molecular mass, Mr, and relative formula mass in terms of the unified atomic mass unit

In Cambridge A Level Chemistry 9701, Relative masses of atoms and molecules came up in 27 of the 139 papers on Paperstreak, for about 2 marks a paper when it does. It last came up in October/November 2025.

Often set with Electrons, energy levels and atomic orbitals, Mass spectrometry, Particles in the atom and atomic radius, Isotopes.

27 questions, newest first

1. 9701/12/O/N/25 Question 4 · 1 mark
2. 9701/22/O/N/25 Question 1 part (a(iii)) · 2 marks
3. 9701/23/O/N/25 Question 1 part (a(iii)) · 1 mark
4. 9701/22/M/J/25 Question 2 part (a(i)) · 2 marks
5. 9701/21/O/N/24 Question 1 part (c(i)) · 2 marks
6. 9701/22/O/N/24 Question 1 part (b(ii)) · 2 marks
7. 9701/23/O/N/24 Question 1 part (c(i)) · 2 marks
8. 9701/11/M/J/23 Question 10 · 1 mark
9. 9701/23/M/J/23 Question 1 parts (b(i)) (b(ii)) · 2 marks
10. 9701/21/O/N/22 Question 1 part (a(ii)) · 2 marks
11. 9701/23/O/N/22 Question 1 part (a(ii)) · 2 marks
12. 9701/21/M/J/22 Question 1 part (e(i)) · 1 mark
13. 9701/12/F/M/22 Question 14 · 1 mark
14. 9701/21/M/J/21 Question 1 part (a(i)) · 2 marks
15. 9701/11/O/N/20 Question 1 · 1 mark
16. 9701/13/O/N/20 Question 1 · 1 mark
17. 9701/21/M/J/20 Question 1 part (a(ii)) · 1 mark
18. 9701/22/M/J/20 Question 1 part (a) · 2 marks
19. 9701/23/M/J/20 Question 2 part (a) · 2 marks
20. 9701/22/F/M/19 Question 2 part (a(i)) · 2 marks
21. 9701/22/M/J/18 Question 2 part (a) · 2 marks
22. 9701/11/O/N/17 Question 16 · 1 mark
23. 9701/13/O/N/17 Question 16 · 1 mark
24. 9701/21/M/J/17 Question 1 part (a) · 2 marks
25. 9701/22/M/J/17 Question 1 part (b(i)) · 2 marks
26. 9701/21/O/N/16 Question 1 part (h) · 2 marks
27. 9701/23/O/N/16 Question 1 part (h) · 2 marks

More in Atoms, molecules and stoichiometry: The mole and the Avogadro constant, Formulas, Reacting masses and yield, Gas volumes, Solution concentrations, Limiting reagents and stoichiometry.

Questions and mark schemes from Cambridge International past papers. Paperstreak isn't affiliated with Cambridge.