which diagram shows how the covalent bonds most likely form in a phosphorous trichloride molecule?

which diagram shows how the covalent bonds most likely form in a phosphorous trichloride molecule?

which diagram shows how the covalent bonds most likely form in a phosphorous trichloride molecule?

Answer

Brief Explanations:

Phosphorus has 5 valence electrons and chlorine has 7 valence electrons. In phosphorus trichloride ($PCl_3$), phosphorus forms 3 single - covalent bonds with 3 chlorine atoms to complete its octet. Each chlorine also has 3 lone - pairs of electrons. The correct Lewis structure shows single bonds between P and Cl with lone - pairs on both P and Cl.

Answer:

The third diagram (the one with single bonds between P and each Cl and lone - pairs on P and Cl)