The lewis structure of [tex]PF_3[/tex] shows that the central phosphorus atom has 1 nonbonding and 3 bonding electron pair(s)
Let us consider the Lewis Structure of [tex]PF_3[/tex]
Here, the central atom is phosphorus P.
We know, The atomic number of Phosphorus is 15.
The so the distribution will be like 2, 8, 5
Here, in the last orbit total of 5 electrons are present, so for completing the octet it needs 3 more electrons.
Hence, The phosphorus atom has 1 non-bonding and 3 bonding electron pairs with fluorine atoms.
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