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The oxidation states are also maintained in articles of the elements (of course), and systematically in the table {{Infobox element/symbol-to-oxidation-state}}
Compounds with iodine in formal oxidation state −1 are called iodides. In everyday life, iodide is most commonly encountered as a component of iodized salt, which many governments mandate. Worldwide, iodine deficiency affects two billion people and is the leading preventable cause of intellectual disability. [3]
Oxidation states are typically represented by integers which may be positive, zero, or negative. In some cases, the average oxidation state of an element is a fraction, such as 8 / 3 for iron in magnetite Fe 3 O 4 . The highest known oxidation state is reported to be +9, displayed by iridium in the tetroxoiridium(IX) cation (IrO + 4). [1]
Iodine occurs in many oxidation states, including iodide (I −), iodate (IO − 3), and the various periodate anions. As the heaviest essential mineral nutrient, iodine is required for the synthesis of thyroid hormones. [7] Iodine deficiency affects about two billion people and is the leading preventable cause of intellectual disabilities. [8]
Rather than the apparent oxidation state of +2, these compounds contain indium in the +1 and +3 oxidation states. Thus the diiodide is described as In I In III X 4 . It was some time later that the existence of compounds containing the anion In 2 Br 2− 6 were confirmed which contains an indium-indium bond.
The oxidation states are also maintained in articles of the elements (of course), and systematically in the table {{Infobox element/symbol-to-oxidation-state}}
Silver(I,III) oxide or tetrasilver tetroxide is the inorganic compound with the formula Ag 4 O 4.It is a component of silver zinc batteries.It can be prepared by the slow addition of a silver(I) salt to a persulfate solution e.g. AgNO 3 to a Na 2 S 2 O 8 solution. [1]
Thallium(I) oxide is the inorganic compound of thallium and oxygen with the formula Tl 2 O in which thallium is in its +1 oxidation state. It is black and produces a basic yellow solution of thallium(I) hydroxide (TlOH) when dissolved in water. It is formed by heating solid TlOH or Tl 2 CO 3 in the absence of air.