Problem: complete the lewis structures of the atoms and ions by adding electrons, as needed.a) LiB) NaC) Na+D) F - 

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We are asked to determine the Lewis structure of the given element and ion.


a) Li

         Group             Valence Electrons

Li         1A                    1 × 1 e1 e– 

            Total:  1 valence e


The Lewis structure is:

 Li •

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Problem Details

complete the lewis structures of the atoms and ions by adding electrons, as needed.

a) Li

B) Na

C) Na+

D) F