Chemistry group 7 elements - halogens

  • Created by: 16geery
  • Created on: 17-02-20 16:36

Group 7 elements - Halogens

The halogen are all non metals with couloured vapour 

Flourine is very reactive, poisonous yellow gas.

Chlorine is fairly reactive, poisonous dense green gas. 

Bromine is a dense, poisonous red-brown volatile liquid. 

Iodine is daek grey crystalline solid or a purple vapour. 

They all exist as molecules which are pairs of atoms. 

Trends of the Group 7 halogens: 

As you go down group 7 the halogens: 

become less reactive - it is harer to


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