CH-244
Giant covalent structures
Chemistry · Secondary 3 · Medium · Giant covalent structures
Silicon dioxide, SiO₂, has a very high melting point. Which statement explains this property?
- Many strong covalent bonds must be broken in its giant network.
- Weak intermolecular forces between simple molecules must be overcome.
- Strong ionic bonds between Si⁴⁺ and O²⁻ ions must be broken.
- Metallic bonds between silicon atoms require much energy to break.
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