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Part of the General Knowledge series on elements.
This is a basic factfile on Sodium.

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A study on the universe we live in. Do you know where we really are?

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Education material for 14 to 16 year-olds. The article looks at the electronic structure of both Alkali metals and Halogens, relating it to their positioning in the periodic table, and how this leads to ionic bonding between the atoms of both groups of elements. GCSE standard science.