Answer:
See attached picture.
Explanation:
Hello.
As you can see on the attached picture, this Lewis structure requires all the elements to attain eight electrons after bonding, that is why the phosphorous is bonded with the two carbon atoms via a single bond with the carbon having the three fluorine atoms and a double bond with the carbon having the two carbon atoms.
Such arrangement is due to the fact that:
- P gets eight electrons by obtaining three from the two sided carbon atoms.
- The first carbon gets eight electrons from its initial four, three provided by each surrounding fluorine and one from the central phosphorous.
- Each fluorine gets eight valence electrons from their initial seven and one from the available carbon atoms.
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