Here's why:

* Fe represents the element Iron.

* I represents the element Iodine.

* The subscript 2 indicates that there are two Iodine ions for every one Iron ion.

Ionic Compound Naming:

1. Identify the cation (positive ion): Iron (Fe) can form multiple ions, so we need to specify its charge. The Roman numeral (II) indicates that Iron has a +2 charge (Fe²⁺).

2. Identify the anion (negative ion): Iodine (I) forms the iodide ion with a -1 charge (I⁻).

3. Combine the names: The name of the cation (Iron(II)) comes first, followed by the name of the anion (iodide).

Therefore, FeI₂ is named Iron(II) iodide.