Silicon dioxide (SiO2\text{SiO}_2SiO2), the primary constituent of quartz, has an extremely high melting point of 1713∘C1713^\circ\text{C}1713∘C. Which statement correctly describes the structure and bonding in silicon dioxide?
It is a giant covalent structure with strong covalent bonds.
It is a simple molecular structure with strong intermolecular forces.
It is a giant covalent structure with weak intermolecular forces.
It is a simple molecular structure with strong covalent bonds between molecules.
74 exam-style questions on OCR GCSE Chemistry Bonding. Each one has a worked solution and a mark scheme showing where the marks go.