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

PCl₅ because a subscript indicates 5 chlorine atoms.

Explanation:

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

the answer is either b or c

every chemical equation adheres to the law of conservation of mass, which states that matter cannot be created or destroyed. therefore, there must be the same number of atoms of each element on each side of a chemical equation.