Diamond and graphite are allotropes of carbon.
Which statement is correct about diamond and graphite?
Both diamond and graphite can conduct electricity because they have delocalised electrons.
In diamond, each carbon atom is covalently bonded to four other carbon atoms, whereas in graphite, each carbon atom is covalently bonded to three other carbon atoms.
Diamond has a giant covalent structure, whereas graphite is a simple covalent molecular substance.
Diamond is soft and slippery because its atoms can slide over each other easily.
74 exam-style questions on OCR GCSE Chemistry Bonding. Each one has a worked solution and a mark scheme showing where the marks go.