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A Level Chemistry 9701, topic 2.1

Relative masses of atoms and molecules: past paper questions

13 Cambridge A Level Chemistry 9701 questions on Relative masses of atoms and molecules (2.1) from 12 papers, 2023 to 2026. Mostly multiple choice. Open the paper or try a question free.

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Questions
13
Papers
12
Years
2023 to 2026
Total marks
44
Average per question
3.4 marks
Largest question
16 marks

By type: Multiple choice 10 · Structured 3

How hard the questions are

  • Recall1
  • Apply1
  • Analyse3
  • Not banded8

Derived from the command word Cambridge prints in each question, banded by a fixed table beside the syllabus's own definitions. A question printing no command word is unbanded: unknown, not middling.

Command words

  • calculateApply3 questions

    work out from given facts, figures or information

  • completeApply3 questions
  • defineRecall3 questions

    give precise meaning

  • deduceAnalyse2 questions

    conclude from available information

  • drawApply2 questions
  • explainAnalyse2 questions

    set out purposes or reasons / make the relationships between things evident / provide why and/or how and support with relevant evidence

  • identifyRecall2 questions

    name/select/recognise

  • stateRecall2 questions

    express in clear terms

  • giveRecall1 question

    produce an answer from a given source or recall/memory

  • showApply1 question

Where the questions come from

By year

  • 20262
  • 20253
  • 20243
  • 20235

By session

  • May/June7
  • Oct/Nov6

By paper

  • Paper 110
  • Paper 23

Questions on this topic

Showing 8 of 13, spread across the years. Open one to write your answer and have it marked.

  • Question 3May/June 2026, paper 11Multiple choice1 mark

    Which statement is correct?

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  • Question 1Oct/Nov 2024, paper 21Structured16 marks

    Cobalt, rhodium and iridium are metals in the same group of the Periodic Table. The shorthand electronic configuration of cobalt is [Ar]3d74s2. Identify what is meant by [Ar] by giving its full electronic configuration.

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  • Question 29Oct/Nov 2023, paper 13Multiple choice1 markHas a diagram

    Which compound has an Mr of 84 and will react with HBr to give a product with an Mr of 164.9?

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  • Question 40May/June 2026, paper 12Multiple choice1 markHas a diagram

    The mass spectrum of an alloy of copper and gold is shown. Which expression can be used to calculate the relative atomic mass, Ar, of copper present in this sample?

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  • Question 1Oct/Nov 2024, paper 22Structured9 marksHas a diagram

    Vanadium, niobium and tantalum are metals in the same group of the Periodic Table. The shorthand electronic configuration of vanadium in the ground state is [Ar]3d34s2.

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  • Question 23May/June 2023, paper 12Multiple choice1 markHas a diagram

    Ammonium sulfate, (NH4)2SO4, and ammonium nitrate, NH4NO3, are used as fertilisers. These salts have different percentages by mass of nitrogen. They have the same effect as each other on the pH of wet neutral soil.

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  • Question 40May/June 2023, paper 12Multiple choice1 markHas a diagram

    The diagram shows the relative abundance of different isotopes of lead in a sample of lead ore. The abundance of 208 is half that of 206. The abundances of 208 and 209 are equal.

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  • Question 1May/June 2023, paper 23Structured9 marksHas a diagram

    Copper is used in electrical equipment. It has a melting point of 1085∘C. Identify the lattice structure of copper.

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