How many lone pairs of electrons are on the P atom in PF3? A) 2 B) 1 C) 0 D)3
1 Answer
Apr 20, 2015
The answer is B) 1.
The number of valence electrons is 5 + 3×7 = 26.
If you draw a trial structure in which P is the central atom and every atom has an octet, you will have used 26 electrons.
This is the correct number of electrons, so the trial structure is the correct structure.
The P atom in