Cards (19)

  • What is the structure of graphene?
    Graphene is a single layer of graphite
  • Why is graphene a good conductor of electricity?
    It has delocalized electrons that can move
  • How might graphene be useful in electronics?
    Due to its ability to conduct electricity
  • What gives graphene its high melting and boiling points?
    The large number of strong covalent bonds
  • What are the properties of graphene?
    Good conductor, extremely strong, high melting point
  • What are fullerene molecules based on?
    Carbon atoms
  • What is the shape of fullerene molecules?
    They have hollow shapes
  • What is the first fullerene molecule discovered?
    Buckminsterfullerene
  • How many carbon atoms are in Buckminsterfullerene?
    60 carbon atoms
  • What types of rings do fullerene molecules typically have?
    Hexagonal rings, and sometimes five or seven
  • How can fullerenes be used in medicine?
    To deliver drugs into the body
  • What is one use of fullerenes in machinery?
    As lubricants to reduce friction
  • How do fullerenes act as catalysts?
    They speed up chemical reactions
  • What are carbon nanotubes shaped like?
    Long cylinders
  • What is the length to diameter ratio of carbon nanotubes?
    Very high
  • What is a key property of carbon nanotubes?
    High tensile strength
  • Why are carbon nanotubes good conductors of electricity?
    They have delocalized electrons
  • What is another property of carbon nanotubes related to heat?
    They are good conductors of heat
  • How might carbon nanotubes be used in sports equipment?
    To reinforce materials in tennis rackets