[tex]IO_2^-[/tex] is the Iodite ion. The ion has a total of 7+6(2)+1 = 20 electrons. The Iodite ion, or iodine dioxide anion, is the halite with the chemical formula IO−
2. Within the ion the Iodine exists in the oxidation state of +3. The hybridization state of central atom I in Iodite ion is [tex]d^2sp^3[/tex].
