Cambridge (CAIE) · IGCSE
Chemistry question 5
0620/42 · May/June 2021 · Theory (Extended)
Syllabus topics
- Relative masses of atoms and molecules
- Ions and ionic bonds
- Giant covalent structures
- Formulae
- Reversible reactions and equilibrium
- Exothermic and endothermic reactions
- Simple molecules and covalent bonds
Question 5
0620/42 · May/June 2021
20 marks