group 7: the halogens
- Created by: Emily
- Created on: 28-04-13 13:14
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- Group 7: the halogens
- As you go down group 7, the halogens become ..
- less reactive
- higher melting point
- higher boilin point
- the halogens are all non-metals with coloured vapours
- fluorine is a very reactive, poisonous yellow gas
- chlorine is a fairly reactive, poisonous dense green gas
- brominie is a dense, poisonous, red-brown volatile liquid
- iodine is a dark grey crystalline solid or a purple vapour
- halogens form ionic bonds with metals
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- As you go down group 7, the halogens become ..
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