definitions

• ion

  charged atom that has lost or gained electrons
• ionic bond

  strong electrostatic force of attraction between oppositely charges ions
• anion

  negatively charged ion
• cation


  positively charged ion
• electrostatic force

  force of attraction between oppositely charged ions
• lattice

  arrangement of particles bonded together in a fixed position
• polyatomic ion

  ion made of 2 or more atoms bonded together
• anode

  positively charged electrode
• cathode

  negatively charged electrode
• aqueous solution

  solution made from solute dissolved in water
• covalent bond

  shared pair of electrons
• molecule

  2 or more atoms covalently bonded together
• intermolecular force

  weak force of attraction between molecules
• metallic bonding

  positively charged ions in a sea of delocalised electrons
• conductivity

  ability to transfer energy
• allotropes

  different forms of the same element with a different structure
• fullerene

  molecules of carbon atoms with hollow shapes.
• graphene

  one atom thick layer of graphite with strong covalent bonds between each carbon atom.
• polymer

  long chain of molecule made up of smaller molecules
• monomers

  small molecules that join with other molecules