Here's why:

* Silicon (Si) is a metalloid, and Fluorine (F) is a nonmetal.

* Covalent bonding occurs when atoms share electrons to achieve a stable electron configuration.

* Silicon has 4 valence electrons, and Fluorine has 7 valence electrons.

* In SiF₄, each fluorine atom shares one electron with silicon, forming a single covalent bond. Silicon shares all four of its valence electrons, resulting in four single covalent bonds.