Phosphorus pentachloride (PCl5) has covalent bonding .

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* Phosphorus (P) and chlorine (Cl) are both nonmetals.
* Nonmetals typically form covalent bonds , where they share electrons to achieve a stable electron configuration.
* In PCl5, the phosphorus atom shares its five valence electrons with five chlorine atoms, forming five covalent bonds.

It's important to note that PCl5 has a trigonal bipyramidal molecular geometry, where the phosphorus atom is surrounded by five chlorine atoms. This structure is due to the five covalent bonds and the lone pairs of electrons on the chlorine atoms.