Lewis structure, hybridization and VSEPR

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Homework Statement


Consider the related molecules POF2-
and POF3. Choose all the following statements that are correct for both molecules.

Homework Equations


A) P atom is sp3-hybridised
B) The F-P-F bond angle will be approximately 109.5 degrees
C) Geometry around he P centre is tetrahedral
D) Number of valence electrons for the molecule is 28
E)The bonds between P and O are a sigma and pi bond
F)Minimised formal charge on P is 0.


The Attempt at a Solution


I have found the general structure of both molecules.
....O
....||
....P
.../..|..\
...F...F...F
POF3

...O
...|
...P:(lone pair)
..../...\
...F...F
POF2-

I know D and F are wrong answers. I think the other 4 are correct. Help please

Thanks.
 
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