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141365
Group 7 - Halogens
Description
GCSE Chemistry Mind Map on Group 7 - Halogens, created by katiealexwardlaw on 30/06/2013.
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chemistry
chemistry
gcse
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katiealexwardlaw
, updated more than 1 year ago
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Created by
katiealexwardlaw
about 11 years ago
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Resource summary
Group 7 - Halogens
'Halogens'
Fluorine, Chlorine, Bromine, Iodine and Astatine
7 outer shell electrons
the further down the group the higher the boiling points are
Reduction
need to gain an electron
gaining electrons is called 'Reduction'
Salts
Halogens react with alkali metals to form salts
2Na + Cl2 = 2NaCl
Sodium + Chlorine = Sodium Chloride
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