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What is the ionic charge when iodine forms an ion?

Feb 19,2024

Iodine, symbolized as 'I,' is a dark grey or purple-black nonmetallic element with atomic number 53 on the Periodic Table. Despite its ability to form compounds with many elements, it is the least reactive and most electropositive halogen.

iodine

In its neutral state, the iodine atom typically possesses seven valence electrons. However, gaining one electron achieves a stable octet configuration, similar to noble gases. This electron acquisition results in the formation of the iodine ion, denoted as I-, which carries a charge of -1. This ion plays a crucial role in numerous chemical processes and reactions. The negative charge of the iodine ion signifies an extra electron compared to its neutral state, contributing to its distinct characteristics and behavior. Iodide, an anion with a valency of -1, refers to iodine compounds with an oxidation state of -1.

Iodine is primarily found on Earth as water-soluble iodide in brine pools and oceans. When heated, it emits a purple color and exhibits limited solubility in water, dissolving only in select solvents like carbon tetrachloride. Naturally occurring iodine is present in the air, soil, and water, with oceans serving as its most significant source. Certain minerals also contain iodine, essential for proper brain function in humans.

Additionally, iodine exists as polyatomic ions, including the Hypoiodite Ion, Iodite Ion, Iodate Ion, and Periodate Ion.

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    Iodine is quite reactive, but it is much less reactive than the other halogens.

  • Iodine:Existence,Function,Dangers Feb 1, 2023

    Iodine is a trace element that is naturally present in some foods, is added to some types of salt, and is available as a dietary supplement. Iodine is an essential component of the thyroid hormones thyroxine (T4) and triiodothyronine (T3).

  • Pharmacological action of Iodine Oct 23, 2019

    Iodine is a chemical element. The body needs iodine but cannot make it. The iodine needed by the body must come from the diet. As a rule, there is very little iodine in food, unless it has been added during processing.

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