Iodite is the hypothetical polyatomic ion, IO2-. Cobalt(III) carries a 3+ charge. Therefore
Cobalt(III) iodite: Co(IO2)3
The formula for hydrogen iodide is HI.
The chemical formula for potassium iodide is KI.
The chemical formula for ammonium iodide is NH4I.
The molecular formula for nitrogen iodide is NI3.
The chemical formula of sodium iodide is NaI.
The chemical formula for cobalt(III) bromide is CoBr3
Co(CN)2 See the wikipedia article.
The chemical formula of cobalt(III) nitrate is Co(NO3)3.
BaI2 is the chemical formula for Barium Iodide.
Formula: AuI
the formula for the compound chromic iodide
Iodide ion : I-
The formula for hydrogen iodide is HI.
Formula: NaI
The chemical formula for potassium iodide is KI.
Formula: NI3
The compound formula for potassium iodide is KI.