Chemistry 5070 · O Level · Giant covalent structures

Giant covalent structures — practice question

The table presents some properties of four solid elements. Which element might be graphite?

  • Aelectrical conductivity: good; melting point: $97\,^\circ\text{C}$
  • Belectrical conductivity: good; melting point: $3550\,^\circ\text{C}$
  • Celectrical conductivity: poor; melting point: $113\,^\circ\text{C}$
  • Delectrical conductivity: poor; melting point: $4750\,^\circ\text{C}$

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