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372474
Alkali metals
Description
GCSE C2 Mind Map on Alkali metals, created by danielberthaur on 19/11/2013.
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c2
c2
gcse
Mind Map by
danielberthaur
, updated more than 1 year ago
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danielberthaur
over 10 years ago
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Resource summary
Alkali metals
Group 1
Soft
Shiny when cut(reacts with air to go dull)
Reactions with Oxygen
lithium + oxygen ---> lithium oxide
4Li + O2 -----> 2Li2O
Need to be stored in oil
Reactions become progressively more violent down the group
Reactions with water
Alkali metals react more violent with water
lithium + water ---> lithium hydroxide + hydrogen
2Li + 2H2O ----> 2LiOH + H2
Reactions get progressively more violent down the group
Potassium creates heat as it reacts with water to produce hydrogen that then gets lit to produce a lilac flame
Reactions with halogens
lithium + chlorine ----> lithium chloride
2Li + Cl2 ---> 2LiCl
Reactions become progressively more violent down the group
lithium reacts with chlorine gas to produce the salt lithium chloride
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