Iodide
I⁻
Iodide is an anion of iodine, which has a chemical symbol of I^-. The iodide ion is a negatively charged ion with a valence of -1. Iodide is commonly found in nature in the form of various salts, such as potassium iodide and sodium iodide.
Iodide plays an important role in human biology and health. It is a necessary component in the synthesis of thyroid hormones, which are essential in the regulation of metabolism. Iodine deficiency can lead to a variety of disorders, including goiter, cretinism, and hypothyroidism.
Iodide is also used in various industrial and scientific applications, such as in the production of dyes and pharmaceuticals, and as a catalyst in some chemical reactions. It can also be used as a marker in medical tests, such as the iodine-131 radioactive isotope used in thyroid scans.
Overall, iodide is a versatile and important ion that has valuable applications in both human biology and various industries.
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