see....if u have drawn the structure......then i'll tell u how to calculate
FC= [total valence electrons in free atom]- [ total no of lone pairs] - 1/2[no of bonding electrons]
FC = 5-0 - 1/2 [8]
= 5 -4
= 1
Remember Cedric. Remember, if the time should come when you have to make a choice between what is right and what is easy, remember what happened to a boy who was good, and kind, and brave, because he strayed across the path of Lord Voldemort. Remember Cedric Diggory.
Albus Dumbledore
Goblet of Fire, Chapter 37, Page 724
Moderation Team
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