Final answer:
The compound SF₄ is called sulfur tetrafluoride, which is named according to the rules for naming covalent compounds.
Step-by-step explanation:
The compound with the chemical formula SF₄ is known as sulfur tetrafluoride. This naming follows the rules for naming covalent compounds, where the prefixes indicate the number of atoms of each element present in the molecule. 'Tetra' corresponds to four, referring to the four fluorine (F) atoms bonded to the single sulfur (S) atom.