C2

• What is an ion

  An atom with charge
• What is Ionic Bonding?

  The transfer of electrons between metals and non-metals
• What is covalent bonding?

  Sharing electrons between non-metals for full outer shells
• What is metallic bonding?

  Metallic bonding is the electrostatic attraction between positively charged metal ions and a sea of delocalized electrons.
• What are properties of ionic compounds?

  Very high melting and boiling points

  Can conduct electricity when molten or dissolved
• What are the properties of Diamond?

  Hard

  Do not conduct electricity

  Very strong
• What are the properties of graphite?

  Soft

  High melting point
• What does Graphene form?

  Tubes

  Fullerenes
• What shape is a buckerminister fullerene molecule?

  Spherical (sphere)
• What are fullerenes used for?

  Drug delivery

  Lubricants

  Can be used to make materials strong
• What are uses of nanotubes?

  Nanotechnology

  Used to strengthen other materials
• How many carbon atoms does a buckminister fullerene molecule have?

  60 carbon atoms
• What is a dilute solution?

  Small amount of solute dissolved in large amounts of solvent
• What is a concentrated solution?

  Large amount of solute dissolved in a small amount of solvent