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TOPIC 2

Atoms, elements and compounds

Chemistry · Theory (Core)

70 questionsShow all as
0620/3111 marks
May/June 2026 · Question 2

8.3 Group VII properties, 2.5 Simple molecules and covalent bonds

8.3 Group VII properties2.5 Simple molecules and covalent bonds
0620/31 May/June 2026 question 2 question
0620/3116 marks
May/June 2026 · Question 6

2.2 Atomic structure and the Periodic Table, 8.4 Transition elements, 4.1 Electrolysis

2.2 Atomic structure and the Periodic Table8.4 Transition elements4.1 Electrolysis
0620/31 May/June 2026 question 6 question
0620/3210 marks
May/June 2026 · Question 2

8.2 Group I properties, 12.5 Identification of ions and gases, 2.5 Simple molecules and covalent bonds

8.2 Group I properties12.5 Identification of ions and gases2.5 Simple molecules and covalent bonds
0620/32 May/June 2026 question 2 question
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
0620/338 marks
May/June 2026 · Question 2

8.3 Group VII properties, 2.5 Simple molecules and covalent bonds

8.3 Group VII properties2.5 Simple molecules and covalent bonds
0620/33 May/June 2026 question 2 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
0620/329 marks
Feb/Mar 2026 · Question 1

2.2 Atomic structure and the Periodic Table, 8.1 Arrangement of elements, 10.3 Air quality and climate

2.2 Atomic structure and the Periodic Table8.1 Arrangement of elements10.3 Air quality and climate
0620/32 Feb/Mar 2026 question 1 question
0620/3214 marks
Feb/Mar 2026 · Question 3

8.4 Transition elements, 2.2 Atomic structure and the Periodic Table, 4.1 Electrolysis

8.4 Transition elements2.2 Atomic structure and the Periodic Table4.1 Electrolysis
0620/32 Feb/Mar 2026 question 3 question
0620/325 marks
Feb/Mar 2026 · Question 6

9.2 Uses of metals, 2.6 Giant covalent structures, 1.1 Solids, liquids and gases

9.2 Uses of metals2.6 Giant covalent structures1.1 Solids, liquids and gases
0620/32 Feb/Mar 2026 question 6 question
0620/327 marks
Feb/Mar 2026 · Question 7

2.3 Isotopes, 1.1 Solids, liquids and gases

2.3 Isotopes1.1 Solids, liquids and gases
0620/32 Feb/Mar 2026 question 7 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
0620/315 marks
Oct/Nov 2025 · Question 1

8.1 Arrangement of elements, 12.5 Identification of ions and gases, 2.6 Giant covalent structures, 2.4 Ions and ionic bonds, 9.6 Extraction of metals, 9.1 Properties of metals

8.1 Arrangement of elements12.5 Identification of ions and gases2.6 Giant covalent structures2.4 Ions and ionic bonds9.6 Extraction of metals9.1 Properties of metals
0620/31 Oct/Nov 2025 question 1 question
0620/316 marks
Oct/Nov 2025 · Question 2

2.2 Atomic structure and the Periodic Table, 8.5 Noble gases, 1.1 Solids, liquids and gases

2.2 Atomic structure and the Periodic Table8.5 Noble gases1.1 Solids, liquids and gases
0620/31 Oct/Nov 2025 question 2 question
0620/3116 marks
Oct/Nov 2025 · Question 5

8.3 Group VII properties, 8.2 Group I properties, 2.4 Ions and ionic bonds

8.3 Group VII properties8.2 Group I properties2.4 Ions and ionic bonds
0620/31 Oct/Nov 2025 question 5 question
0620/324 marks
Oct/Nov 2025 · Question 1

8.1 Arrangement of elements, 2.6 Giant covalent structures, 7.1 The characteristic properties of acids and bases, 9.4 Reactivity series

8.1 Arrangement of elements2.6 Giant covalent structures7.1 The characteristic properties of acids and bases9.4 Reactivity series
0620/32 Oct/Nov 2025 question 1 question
0620/326 marks
Oct/Nov 2025 · Question 2

2.2 Atomic structure and the Periodic Table, 1.1 Solids, liquids and gases

2.2 Atomic structure and the Periodic Table1.1 Solids, liquids and gases
0620/32 Oct/Nov 2025 question 2 question
0620/3217 marks
Oct/Nov 2025 · Question 5

8.1 Arrangement of elements, 2.2 Atomic structure and the Periodic Table, 1.1 Solids, liquids and gases, 8.3 Group VII properties, 8.2 Group I properties, 7.1 The characteristic properties of acids and bases, 2.4 Ions and ionic bonds

8.1 Arrangement of elements2.2 Atomic structure and the Periodic Table1.1 Solids, liquids and gases8.3 Group VII properties8.2 Group I properties7.1 The characteristic properties of acids and bases2.4 Ions and ionic bonds
0620/32 Oct/Nov 2025 question 5 question
0620/334 marks
Oct/Nov 2025 · Question 1

9.2 Uses of metals, 9.4 Reactivity series, 4.2 Hydrogen–oxygen fuel cells, 2.5 Simple molecules and covalent bonds

9.2 Uses of metals9.4 Reactivity series4.2 Hydrogen–oxygen fuel cells2.5 Simple molecules and covalent bonds
0620/33 Oct/Nov 2025 question 1 question
0620/336 marks
Oct/Nov 2025 · Question 2

2.2 Atomic structure and the Periodic Table, 1.1 Solids, liquids and gases

2.2 Atomic structure and the Periodic Table1.1 Solids, liquids and gases
0620/33 Oct/Nov 2025 question 2 question
0620/3318 marks
Oct/Nov 2025 · Question 5

2.2 Atomic structure and the Periodic Table, 1.1 Solids, liquids and gases, 8.3 Group VII properties, 8.2 Group I properties, 7.1 The characteristic properties of acids and bases, 12.5 Identification of ions and gases, 2.4 Ions and ionic bonds

2.2 Atomic structure and the Periodic Table1.1 Solids, liquids and gases8.3 Group VII properties8.2 Group I properties7.1 The characteristic properties of acids and bases12.5 Identification of ions and gases2.4 Ions and ionic bonds
0620/33 Oct/Nov 2025 question 5 question
0620/3112 marks
May/June 2025 · Question 2

2.4 Ions and ionic bonds, 12.5 Identification of ions and gases, 1.1 Solids, liquids and gases

2.4 Ions and ionic bonds12.5 Identification of ions and gases1.1 Solids, liquids and gases
0620/31 May/June 2025 question 2 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
0620/3114 marks
May/June 2025 · Question 6

7.3 Preparation of salts, 4.1 Electrolysis, 2.5 Simple molecules and covalent bonds

7.3 Preparation of salts4.1 Electrolysis2.5 Simple molecules and covalent bonds
0620/31 May/June 2025 question 6 question
0620/329 marks
May/June 2025 · Question 1

2.2 Atomic structure and the Periodic Table, 2.4 Ions and ionic bonds, 8.2 Group I properties, 8.3 Group VII properties, 8.5 Noble gases, 9.4 Reactivity series, 10.3 Air quality and climate

2.2 Atomic structure and the Periodic Table2.4 Ions and ionic bonds8.2 Group I properties8.3 Group VII properties8.5 Noble gases9.4 Reactivity series10.3 Air quality and climate
0620/32 May/June 2025 question 1 question
0620/3210 marks
May/June 2025 · Question 2

12.5 Identification of ions and gases, 2.4 Ions and ionic bonds, 1.1 Solids, liquids and gases

12.5 Identification of ions and gases2.4 Ions and ionic bonds1.1 Solids, liquids and gases
0620/32 May/June 2025 question 2 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
0620/3212 marks
May/June 2025 · Question 5

7.3 Preparation of salts, 4.1 Electrolysis, 2.4 Ions and ionic bonds

7.3 Preparation of salts4.1 Electrolysis2.4 Ions and ionic bonds
0620/32 May/June 2025 question 5 question
0620/3312 marks
May/June 2025 · Question 2

2.2 Atomic structure and the Periodic Table, 1.1 Solids, liquids and gases, 2.5 Simple molecules and covalent bonds, 12.5 Identification of ions and gases

2.2 Atomic structure and the Periodic Table1.1 Solids, liquids and gases2.5 Simple molecules and covalent bonds12.5 Identification of ions and gases
0620/33 May/June 2025 question 2 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
0620/3313 marks
May/June 2025 · Question 5

7.3 Preparation of salts, 4.1 Electrolysis, 2.5 Simple molecules and covalent bonds

7.3 Preparation of salts4.1 Electrolysis2.5 Simple molecules and covalent bonds
0620/33 May/June 2025 question 5 question
Atoms, elements and compounds: IGCSE Chemistry (0620) past paper questions | Past Paper Pigeon