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

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What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Lewis Dot Symbols concept. You can view video lessons to learn Lewis Dot Symbols. Or if you need more Lewis Dot Symbols practice, you can also practice Lewis Dot Symbols practice problems.

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