Group 7

• What is another name for Group 7?

  The Halogens
• What is in Group 7?

  Fluorine (F2), Chlorine (Cl2), Bromine (Br2), Iodine (I2)
• What are the properties of 1. Fluorine 2. Chlorine?

  1. Colourless gas, smells like a pool, poisonous to all living things
  2. Yellow-green gas
• What happens when you go down Group 7?

  1. Density increases
  2. Boiling point increases
  3. Atomic radius increases
  4. Reactivity decreases