WJEC Chemistry Unit 1 Topic 6 -- Alkali Metals

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All alkali metals react with WATER with increasing violence down the group. 

2Na+2H2O ------> 2NaOH + H2 

All s-block elements burn in air to form oxides. These oxides dissolve readily in water to form the corresponding alkai.

4Na+O2 ------> 2Na2O 

All S-block elements

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