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4.3     Write Lewis symbols for the following atoms and ions:

               (b)  Al\; and\; Al^{3+}

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As the number of valence electrons in aluminium is three.

Therefore its Lewis dot symbol of aluminium(Al) is sluminum

And of Al^{3+} is, if it has donated three electrons because of its tripositive charge.

Hence. the Lewis symbol is 

 

Posted by

Divya Prakash Singh

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