Giant covalent structures + Fullerenes

• Giant Covalent Structure

  • Lots of covalent bonds
  • Very high MP and BP
  • Atoms are bonded to each other by strong covalent bonds
• Diamond

  • Giant Covalent structure made from carbon
  • Very high MP and BP
  • Shiny = Ideal for jewelry
  • Very hard (4 covalent bonds)
  • Does not conduct electricity
• Graphite

  • Black, opaque
  • 3 Covalent bonds
  • This creates sheets of carbon atoms which slide over each other
  • High MP and BP
• Graphene

  • 1 sheet of Graphite
  • Very strong but light
  • Conducts electricity (has a free electron)
• Fullerenes are another form of Carbon
• Fullerenes

  • Shaped like hollow balls
  • Arranged in rings
  • Conducts electricity
  • Quite high MP and BP
  • Lots of intermolecular forces