Chemistry 0620 · IGCSE · Giant covalent structures

Giant covalent structures — practice question

Two statements about silicon(IV) oxide are provided. 1. It is a hard material. 2. It has a macromolecular structure with strong covalent bonds. Which statement is correct?

  • ABoth statements are correct and statement 2 explains statement 1.
  • BBoth statements are correct but statement 2 does not explain statement 1.
  • CStatement 1 is correct but statement 2 is not correct.
  • DStatement 2 is correct but statement 1 is not correct.

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