CH-240
Giant covalent structures
Chemistry · Secondary 3 · Medium · Giant covalent structures
Silicon dioxide is a giant covalent structure, while sodium chloride is an ionic lattice.
Which statement about their electrical conductivities is correct?
Which statement about their electrical conductivities is correct?
- Both conduct electricity when solid.
- Both conduct electricity when molten.
- Only silicon dioxide conducts when molten.
- Only molten sodium chloride conducts electricity; silicon dioxide does not conduct.
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