Fluorine is located in the group 7, therefore has 7 valence electrons.
Since, here it has a negative charge, it gains one more, now it is 8.
That is why answer is F-, it has 4 lone pairs.
Fluorine is located in the group 7, therefore has 7 valence electrons.
Since, here it has a negative charge, it gains one more, now it is 8.
That is why answer is F-, it has 4 lone pairs.
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