Question

Which is the correct formula for phosphorus pentachloride? PCl4 because a subscript of 4 indicates four Cl atoms PCl5 because a subscript of 5 indicates five Cl atoms P5Cl because a subscript of 5 indicates five P atoms P5Cl3 because a subscript of 5 indicates five P atoms

Answer 1

PCl₅

Step-by-step explanation:

Answer 2

PCl₅ because a subscript indicates 5 chlorine atoms.

Step-by-step explanation:

As the name suggests, phosphorous pentachloride contains 5 chlorine atoms as penta means five and phosphorous means P atoms.