Group 7 Metals

• Properties

  -Exist as diatomic molecules

  -Low melting and boiling point

  -Colour of element becomes darker as you go down the group

  -Reactivity decreases as you go down

  -Displacement reactions can occur (more reactive metal take place of the less reactive metal)
• At Room Temp

  Fluorine/Chlorine are gases

  Bromine is a liquid

  Iodine/Astatine are solids