Substances can be classified as elements, compounds, or mixtures, each possessing characteristic structures and bonding. Which of the following lists contains only elements that exist as giant covalent (macromolecular) structures at room temperature and pressure?
Buckminsterfullerene, silicon, diamond
Silicon dioxide, diamond, graphite
Silicon, diamond, graphite
Phosphorus (P4P_4P4), silicon, graphite
74 exam-style questions on OCR GCSE Chemistry Bonding. Each one has a worked solution and a mark scheme showing where the marks go.