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TOPIC 3

Stoichiometry

Chemistry · Theory (Core)

25 questionsShow all as
0620/3220 marks
May/June 2026 · Question 6

8.4 Transition elements, 2.2 Atomic structure and the Periodic Table, 2.4 Ions and ionic bonds, 4.1 Electrolysis, 3.2 Relative masses of atoms and molecules, 9.3 Alloys and their properties

8.4 Transition elements2.2 Atomic structure and the Periodic Table2.4 Ions and ionic bonds4.1 Electrolysis3.2 Relative masses of atoms and molecules9.3 Alloys and their properties
0620/32 May/June 2026 question 6 question
0620/3212 marks
May/June 2026 · Question 7

10.1 Water, 12.5 Identification of ions and gases, 3.2 Relative masses of atoms and molecules

10.1 Water12.5 Identification of ions and gases3.2 Relative masses of atoms and molecules
0620/32 May/June 2026 question 7 question
0620/3313 marks
May/June 2026 · Question 6

2.2 Atomic structure and the Periodic Table, 8.4 Transition elements, 7.2 Oxides, 4.1 Electrolysis, 3.2 Relative masses of atoms and molecules

2.2 Atomic structure and the Periodic Table8.4 Transition elements7.2 Oxides4.1 Electrolysis3.2 Relative masses of atoms and molecules
0620/33 May/June 2026 question 6 question
0620/3210 marks
Feb/Mar 2026 · Question 5

10.2 Fertilisers, 3.2 Relative masses of atoms and molecules, 10.3 Air quality and climate

10.2 Fertilisers3.2 Relative masses of atoms and molecules10.3 Air quality and climate
0620/32 Feb/Mar 2026 question 5 question
0620/328 marks
Feb/Mar 2026 · Question 8

12.5 Identification of ions and gases, 2.4 Ions and ionic bonds, 3.1 Formulae

12.5 Identification of ions and gases2.4 Ions and ionic bonds3.1 Formulae
0620/32 Feb/Mar 2026 question 8 question
0620/3217 marks
Oct/Nov 2025 · Question 4

11.1 Formulae, functional groups and terminology, 11.2 Naming organic compounds, 3.2 Relative masses of atoms and molecules, 11.3 Fuels, 11.4 Alkanes, 11.5 Alkenes, 11.6 Alcohols

11.1 Formulae, functional groups and terminology11.2 Naming organic compounds3.2 Relative masses of atoms and molecules11.3 Fuels11.4 Alkanes11.5 Alkenes11.6 Alcohols
0620/32 Oct/Nov 2025 question 4 question
0620/3111 marks
May/June 2025 · Question 3

2.2 Atomic structure and the Periodic Table, 2.3 Isotopes, 3.2 Relative masses of atoms and molecules

2.2 Atomic structure and the Periodic Table2.3 Isotopes3.2 Relative masses of atoms and molecules
0620/31 May/June 2025 question 3 question
0620/3211 marks
May/June 2025 · Question 3

2.2 Atomic structure and the Periodic Table, 2.3 Isotopes, 3.2 Relative masses of atoms and molecules, 7.2 Oxides, 10.2 Fertilisers

2.2 Atomic structure and the Periodic Table2.3 Isotopes3.2 Relative masses of atoms and molecules7.2 Oxides10.2 Fertilisers
0620/32 May/June 2025 question 3 question
0620/3310 marks
May/June 2025 · Question 4

2.2 Atomic structure and the Periodic Table, 2.3 Isotopes, 3.2 Relative masses of atoms and molecules

2.2 Atomic structure and the Periodic Table2.3 Isotopes3.2 Relative masses of atoms and molecules
0620/33 May/June 2025 question 4 question
0620/3210 marks
Feb/Mar 2025 · Question 8

4.1 Electrolysis, 7.1 The characteristic properties of acids and bases, 3.2 Relative masses of atoms and molecules, 11.6 Alcohols

4.1 Electrolysis7.1 The characteristic properties of acids and bases3.2 Relative masses of atoms and molecules11.6 Alcohols
0620/32 Feb/Mar 2025 question 8 question
0620/3113 marks
Oct/Nov 2024 · Question 4

11.1 Formulae, functional groups and terminology, 11.5 Alkenes, 11.6 Alcohols, 3.2 Relative masses of atoms and molecules

11.1 Formulae, functional groups and terminology11.5 Alkenes11.6 Alcohols3.2 Relative masses of atoms and molecules
0620/31 Oct/Nov 2024 question 4 question
0620/3213 marks
Oct/Nov 2024 · Question 4

11.1 Formulae, functional groups and terminology, 11.5 Alkenes, 3.2 Relative masses of atoms and molecules

11.1 Formulae, functional groups and terminology11.5 Alkenes3.2 Relative masses of atoms and molecules
0620/32 Oct/Nov 2024 question 4 question
0620/3211 marks
Oct/Nov 2024 · Question 5

8.3 Group VII properties, 12.5 Identification of ions and gases, 3.1 Formulae

8.3 Group VII properties12.5 Identification of ions and gases3.1 Formulae
0620/32 Oct/Nov 2024 question 5 question
0620/3311 marks
Oct/Nov 2024 · Question 3

10.1 Water, 3.1 Formulae

10.1 Water3.1 Formulae
0620/33 Oct/Nov 2024 question 3 question
0620/3313 marks
Oct/Nov 2024 · Question 4

11.1 Formulae, functional groups and terminology, 11.6 Alcohols, 3.2 Relative masses of atoms and molecules

11.1 Formulae, functional groups and terminology11.6 Alcohols3.2 Relative masses of atoms and molecules
0620/33 Oct/Nov 2024 question 4 question
0620/3112 marks
May/June 2024 · Question 5

2.2 Atomic structure and the Periodic Table, 2.3 Isotopes, 3.1 Formulae, 3.2 Relative masses of atoms and molecules, 6.4 Redox

2.2 Atomic structure and the Periodic Table2.3 Isotopes3.1 Formulae3.2 Relative masses of atoms and molecules6.4 Redox
0620/31 May/June 2024 question 5 question
0620/3211 marks
May/June 2024 · Question 2

12.5 Identification of ions and gases, 8.2 Group I properties, 3.1 Formulae

12.5 Identification of ions and gases8.2 Group I properties3.1 Formulae
0620/32 May/June 2024 question 2 question
0620/3211 marks
May/June 2024 · Question 5

2.2 Atomic structure and the Periodic Table, 10.3 Air quality and climate, 3.2 Relative masses of atoms and molecules

2.2 Atomic structure and the Periodic Table10.3 Air quality and climate3.2 Relative masses of atoms and molecules
0620/32 May/June 2024 question 5 question
0620/3310 marks
May/June 2024 · Question 2

12.5 Identification of ions and gases, 8.2 Group I properties, 3.1 Formulae

12.5 Identification of ions and gases8.2 Group I properties3.1 Formulae
0620/33 May/June 2024 question 2 question
0620/3311 marks
May/June 2024 · Question 5

2.2 Atomic structure and the Periodic Table, 3.1 Formulae, 3.2 Relative masses of atoms and molecules, 10.2 Fertilisers

2.2 Atomic structure and the Periodic Table3.1 Formulae3.2 Relative masses of atoms and molecules10.2 Fertilisers
0620/33 May/June 2024 question 5 question
0620/3214 marks
Feb/Mar 2024 · Question 5

2.2 Atomic structure and the Periodic Table, 8.4 Transition elements, 6.2 Rate of reaction, 9.4 Reactivity series, 3.1 Formulae, 2.4 Ions and ionic bonds

2.2 Atomic structure and the Periodic Table8.4 Transition elements6.2 Rate of reaction9.4 Reactivity series3.1 Formulae2.4 Ions and ionic bonds
0620/32 Feb/Mar 2024 question 5 question
0620/3214 marks
Feb/Mar 2024 · Question 6

2.1 Elements, compounds and mixtures, 2.2 Atomic structure and the Periodic Table, 1.1 Solids, liquids and gases, 1.2 Diffusion, 3.2 Relative masses of atoms and molecules, 10.3 Air quality and climate, 7.1 The characteristic properties of acids and bases, 6.3 Reversible reactions and equilibrium

2.1 Elements, compounds and mixtures2.2 Atomic structure and the Periodic Table1.1 Solids, liquids and gases1.2 Diffusion3.2 Relative masses of atoms and molecules10.3 Air quality and climate7.1 The characteristic properties of acids and bases6.3 Reversible reactions and equilibrium
0620/32 Feb/Mar 2024 question 6 question
0620/3213 marks
Oct/Nov 2023 · Question 7

11.7 Carboxylic acids, 3.2 Relative masses of atoms and molecules, 7.1 The characteristic properties of acids and bases, 11.6 Alcohols

11.7 Carboxylic acids3.2 Relative masses of atoms and molecules7.1 The characteristic properties of acids and bases11.6 Alcohols
0620/32 Oct/Nov 2023 question 7 question
0620/3313 marks
May/June 2023 · Question 7

11.6 Alcohols, 11.1 Formulae, functional groups and terminology, 11.5 Alkenes, 3.2 Relative masses of atoms and molecules, 7.1 The characteristic properties of acids and bases

11.6 Alcohols11.1 Formulae, functional groups and terminology11.5 Alkenes3.2 Relative masses of atoms and molecules7.1 The characteristic properties of acids and bases
0620/33 May/June 2023 question 7 question
0620/3210 marks
Feb/Mar 2023 · Question 4

8.4 Transition elements, 5.1 Exothermic and endothermic reactions, 9.4 Reactivity series, 3.2 Relative masses of atoms and molecules

8.4 Transition elements5.1 Exothermic and endothermic reactions9.4 Reactivity series3.2 Relative masses of atoms and molecules
0620/32 Feb/Mar 2023 question 4 question
Stoichiometry: IGCSE Chemistry (0620) past paper questions | Past Paper Pigeon