So, names of all compounds formed by the combination of a
metal and iodine have the format: name of
metal followed by iodide.
As a matter of fact, compounds containing iodine and a
metal are referred to as iodides.
–That is, zinc iodide, aluminum iodide, sodium iodide,
magnesium iodide are
examples of iodides.
You
also observed some reactions between oxygen and other elements.
–Sodium + oxygen à sodium
oxide
–Magnesium + oxygen à
magnesium oxide
In
other words, compounds of consisting of an element and oxygen are referred
to as oxides.