CH-227
Giant covalent structures
Chemistry · Secondary 3 · Medium · Giant covalent structures
Tempered glass is mainly silicon dioxide, which has a giant covalent structure. Which statement best explains why it has a very high melting point?
- It contains weak forces between simple molecules that are easily broken.
- It has a giant lattice of ions with strong electrostatic attractions.
- It has a 3D network of strong covalent bonds that require much energy to break.
- Its atoms are arranged in layers that can slide over each other easily.
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