Answer
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Step 1:: Recall the structure of a Lewis dot diagram.
A Lewis dot diagram represents the valence electrons around an atom as dots. For a cation like Na+, we first need to determine the number of valence electrons.
Step 2:: Determine the number of valence electrons in Na+.
Sodium (Na) is in the 3rd period of the periodic table and has one valence electron in its neutral state. However, Na+ is a cation, which means it has lost one electron. Therefore, Na+ has no valence electrons.
Step 3:: Draw the Lewis dot structure of Na+.
Since Na+ has no valence electrons, its Lewis dot diagram simply consists of the chemical symbol "Na" with no dots around it.
Final Answer
The Lewis dot structure of Na+ is just the chemical symbol "Na" with no dots around it, representing the lack of valence electrons in the cation.
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