- 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…