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Is iodine a metal, metalloid, or nonmetal?

Answer
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Hint: Iodine is a chemical element with atomic number 53 and the symbol I. Under ordinary circumstances, it exists as a glossy, purplish-black non-metallic solid, which melts to produce a deep violet liquid at 114 degrees Celsius and boils to produce a violet gas at 184 degrees Celsius. Bernard Courtois, a French scientist, discovered the element in 1811, and Joseph Louis Gay-Lussac dubbed it "violet-colored" two years later.

Complete answer:
Iodine is a nonmetallic, glossy, dark gray/purple-black solid element. Even though it may form compounds with several elements, iodine is the most electropositive halogen and the least reactive of the halogens. When heated, iodine transforms into a purple mist. Some solvents, such as carbon tetrachloride, dissolve iodine, although it is very marginally soluble in water. Iodine is utilised as a tincture and iodoform in medical treatment, as well as in the formulation of some medications and the production of some printing inks and colours. In photography, silver iodine is employed. Iodine is used as a supplement in animal feed and is added to practically all table salt. Iodine is added to almost every type of salt that is used. Bread, marine seafood, and oceanic vegetation all contain it. Iodine is found naturally in the ocean and is stored in the tissues of various marine fish and aquatic plants. Iodine is naturally present in the air, water, and soil. The seas are the most important sources of natural iodine. Every year, around 400.000 tonnes of iodine escape from the seas as iodide in sea spray or as iodide, hydrochloric acid, and methyl iodide, all of which are generated by marine organisms. Much of it is dumped on land, where it might enter the biocycle.
Hence it is a non metal.

Note:
Iodine in the air can bind to water particles and precipitate in water and soils. Iodine in soils binds to organic stuff and stays put for a long time. Iodine may be absorbed by plants that thrive in these soils. When cattle and other animals consume these plants, they absorb iodine. As a result, iodine in surface water will evaporate and re-enter the atmosphere. By burning coal or fuel oil for energy, humans also add iodine gas to the air. However, as compared to the quantity of iodine that evaporates from the seas, the quantity of iodine that enters the air from human activities is very tiny.