Which statement about the structure of graphene is correct?
It is one atom thick and each carbon atom forms three covalent bonds.
It is one atom thick and each carbon atom forms four covalent bonds.
It is many atoms thick and each carbon atom forms three covalent bonds.
It is many atoms thick and each carbon atom forms four covalent bonds.
40 exam-style questions on AQA GCSE Chemistry 2.3 Structure and bonding of carbon, covering 2.3.1 Diamond, 2.3.2 Graphite, and 2.3.3 Graphene and fullerenes. Each one has a worked solution and a mark scheme showing where the marks go.