Group 7

• Group 7 metals are called halogens

  they are fluorine, chlorine , bromine , iodine , astatine
• Properties:

  • Poisonous and smelly
  • they have low boiling points
  • These halogens form coloured vapours
• Fluorine yellow

  Chlorine Green

  Bromine Orange

  Iodine purple

  astatine grey