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Chemistry 9701 · Atoms, molecules and stoichiometry. 1 write formulas of ionic compounds from ionic charges and oxidation numbers (shown by a Roman numeral), including: (a) the prediction of ionic charge from the position of an element in the Periodic Table (b) recall of the names and formulas for the following ions: NO3 –, CO3 2–, SO4 2–, OH–, NH4 +, Zn2+, Ag+, HCO3 –, PO4 3– 2 (a) write and construct equations (which should be balanced), including ionic equations (which should not include spectator ions) (b) use appropriate state symbols in equations 3 define and use the terms empirical and molecular formula 4 understand and use the terms anhydrous, hydrated and water of crystallisation

It came up in 59 of 139 papers, for about 2 marks a paper when it does. It last came up in October/November 2025.

Often set with Structure and properties, Enthalpy change definitions, Reacting masses and yield, Electrons, energy levels and atomic orbitals.

73 questions, newest first

  1. 9701/11/O/N/25 Question 17 · 1 mark
  2. 9701/13/O/N/25 Question 17 · 1 mark
  3. 9701/21/O/N/25 Question 3 part (a) · 1 mark
  4. 9701/22/O/N/25 Question 2 part (f(i)) · 2 marks
  5. 9701/23/O/N/25 Question 3 part (a) · 1 mark
  6. 9701/22/F/M/25 Question 1 part (a(iii)) · 2 marks
  7. 9701/21/O/N/24 Question 1 part (d(i)) · 2 marks
  8. 9701/21/O/N/24 Question 2 part (c(iii)) · 1 mark
  9. 9701/21/O/N/24 Question 3 part (f) · 1 mark
  10. 9701/23/O/N/24 Question 2 part (c(iii)) · 1 mark
  11. 9701/23/O/N/24 Question 3 part (f) · 1 mark
  12. 9701/12/M/J/24 Question 1 · 1 mark
  13. 9701/21/M/J/24 Question 2 parts (c(ii)) (d(i)) · 2 marks
  14. 9701/23/M/J/24 Question 3 part (c(ii)) · 2 marks
  15. 9701/22/F/M/24 Question 1 part (b(i)) · 1 mark
  16. 9701/11/O/N/23 Question 3 · 1 mark
  17. 9701/11/O/N/23 Question 24 · 1 mark
  18. 9701/13/O/N/23 Question 3 · 1 mark
  19. 9701/13/O/N/23 Question 24 · 1 mark
  20. 9701/21/M/J/23 Question 1 part (f(i)) · 1 mark
  21. 9701/21/M/J/23 Question 2 part (c(i)) · 2 marks
  22. 9701/21/M/J/23 Question 3 part (e) · 1 mark
  23. 9701/22/M/J/23 Question 2 part (e(ii)) · 1 mark
  24. 9701/22/O/N/22 Question 1 part (d(i)) · 1 mark
  25. 9701/21/M/J/22 Question 4 part (a) · 3 marks
  26. 9701/22/M/J/22 Question 6 part (b) · 1 mark
  27. 9701/12/F/M/22 Question 3 · 1 mark
  28. 9701/12/O/N/21 Question 1 · 1 mark
  29. 9701/21/O/N/21 Question 1 part (d(iii)) · 2 marks
  30. 9701/21/O/N/21 Question 2 part (a(iv)) · 1 mark
  31. 9701/22/O/N/21 Question 1 part (d(i)) · 1 mark
  32. 9701/23/O/N/21 Question 1 part (d(iii)) · 2 marks
  33. 9701/23/O/N/21 Question 2 part (a(iv)) · 1 mark
  34. 9701/13/M/J/21 Question 1 · 1 mark
  35. 9701/21/M/J/21 Question 1 parts (a(ii)) (b(i)) · 3 marks
  36. 9701/22/M/J/21 Question 1 part (b) · 1 mark
  37. 9701/23/M/J/21 Question 3 part (c) · 3 marks
  38. 9701/12/F/M/21 Question 28 · 1 mark
  39. 9701/22/O/N/20 Question 2 parts (g(i)) (g(ii)) · 2 marks
  40. 9701/21/M/J/20 Question 2 part (a(i)) · 2 marks
  41. 9701/23/M/J/20 Question 1 part (c(i)) · 1 mark
  42. 9701/23/M/J/20 Question 3 part (c(ii)) · 1 mark
  43. 9701/12/F/M/20 Question 2 · 1 mark
  44. 9701/22/F/M/20 Question 1 part (e(ii)) · 1 mark
  45. 9701/12/O/N/19 Question 9 · 1 mark
  46. 9701/21/O/N/19 Question 3 part (b(i)) · 2 marks
  47. 9701/22/O/N/19 Question 1 part (c(i)) · 1 mark
  48. 9701/23/O/N/19 Question 3 part (b(i)) · 2 marks
  49. 9701/12/M/J/19 Question 9 · 1 mark
  50. 9701/13/M/J/19 Question 15 · 1 mark
  51. 9701/21/M/J/19 Question 1 parts (b(ii)) (b(iii)) · 2 marks
  52. 9701/21/M/J/19 Question 2 part (b) · 2 marks
  53. 9701/22/M/J/19 Question 5 parts (b(i)) (b(ii)) · 4 marks
  54. 9701/22/F/M/19 Question 1 parts (b(i)) (b(ii)) · 2 marks
  55. 9701/22/F/M/19 Question 2 parts (a(iv)) (d(ii)) · 3 marks
  56. 9701/12/O/N/18 Question 19 · 1 mark
  57. 9701/21/O/N/18 Question 1 part (c(ii)) · 2 marks
  58. 9701/23/O/N/18 Question 1 part (c(ii)) · 2 marks
  59. 9701/21/M/J/18 Question 1 part (e) · 1 mark
  60. 9701/12/F/M/18 Question 19 · 1 mark
  61. 9701/12/F/M/18 Question 28 · 1 mark
  62. 9701/11/O/N/17 Question 1 · 1 mark
  63. 9701/12/O/N/17 Question 2 · 1 mark
  64. 9701/13/O/N/17 Question 1 · 1 mark
  65. 9701/21/M/J/17 Question 1 part (b(iii)) · 1 mark
  66. 9701/23/M/J/17 Question 1 part (b(iii)) · 2 marks
  67. 9701/21/O/N/16 Question 1 part (b) · 1 mark
  68. 9701/21/O/N/16 Question 2 part (a(ii)) · 1 mark
  69. 9701/22/O/N/16 Question 1 part (b(i)) · 1 mark
  70. 9701/23/O/N/16 Question 1 part (b) · 1 mark
  71. 9701/23/M/J/16 Question 1 part (a(i)) · 1 mark
  72. 9701/12/F/M/16 Question 19 · 1 mark
  73. 9701/22/F/M/16 Question 2 part (b(ii)) · 2 marks

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

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