F3- Lewis structure.
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Explanation:
F3- does not form a Lewis structure because F (Fluorine) has 7
valance electrons. F3 totals 21 valance electrons +1 for the -charge for a total of 22. However when you attempt to bond 3 F
atoms together in a Lewis structure there is only space for 20valance electrons. This is not a problem for atoms like Br or I
because they can fit those extra electrons in the near by dorbital. Fluorine being a period 2 element does not have a d
orbital and can not form a F3- Lewis structure.....
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