The Periodic Table- GROUP 7

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  • Created by: bethany
  • Created on: 07-04-13 18:13

The Periodic Table-

GROUP 7!!!

  • The halogens
  • As you move down the group, the halogens become less reactive...it's harder to gain an extra electron, because the outer shell is FURTHER from the nucleus
  • They also have HIGHER MELTING POINTS
  • And finally HIGHER BOILING POINTS

THE HALOGENS ARE ALL NON- METALS WITH COLOURED VAPOURS

Flourine is a very reactive, poisonous yellow gas

Chlorine is a fairly reactive, poisonous dense green gas

Bromine is

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