Group 7 - the halogens

  • Created by: emews
  • Created on: 05-11-17 09:47
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  • Group 7 - the halogens
    • The group 7 elements are called the halogens
    • Chlorine, bromine and iodine are the three common group 7 elements
    • When they react with metals they form salts
    • The melting point increases as you go down the group
    • There is a trend in state from gas to liquid to solid as you go down the group
    • The halogens become darker as you go down the group
    • They get less reactive as you go down the group
      • fluorine is the most reactive element in group 7
    • Hydrogen chloride
      • hydrogen + chlorine
      • made from molecules
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