* Electronegativity: Phosphorus (P) and sulfur (S) are both nonmetals and have similar electronegativity values. This means they have a relatively similar pull on shared electrons. The difference in their electronegativity is not large enough to create a complete transfer of electrons, which would be characteristic of an ionic bond.

* Sharing Electrons: Instead of one atom completely taking an electron from the other, they share electrons to achieve a stable electron configuration. This sharing forms a covalent bond.

Examples:

* Phosphorus sulfide (P₂S₅): This compound is formed by covalent bonds between phosphorus and sulfur atoms.

* Other Phosphorus Sulfides: There are various phosphorus sulfides with different ratios of phosphorus and sulfur, all of which are formed by covalent bonds.

Important Note: While the bond between phosphorus and sulfur is primarily covalent, it can exhibit some degree of ionic character due to the slight difference in electronegativity. This means the shared electrons are not perfectly evenly distributed, resulting in a slightly polar covalent bond.