What this tests
Syllabus point 2.5 — Simple molecules and covalent bonds, in Atoms, elements and compounds. Difficulty hard (estimated from the question's demands, not a Cambridge rating).
Cambridge IGCSE Chemistry 0620 · 2.5 Simple molecules and covalent bonds
November 2024 · Paper 21 · Question 6
One real Cambridge question from Atoms, elements and compounds, with the official answer.