CH-292
Giant covalent structures
Chemistry · Secondary 3 · Medium · Giant covalent structures
Which statement explains why silicon dioxide has a very high melting point?
- It is made of simple molecules with weak forces between them.
- It contains a giant lattice of ions with strong ionic bonds.
- It has a giant covalent structure with many strong covalent bonds between atoms.
- It contains delocalised electrons that move freely between layers.
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