Iodine is lustrous or not

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Generally, non-metals are not lustrous. Which of the following non metal is lustrous? Shining metals are called lustrous. Sulphur, oxygen, nitrogen are non-lustrous. Iodine is a non-metal having lustrous appearance. It has a shining surface like that of metals. Dont't have an account?

Iodine is lustrous or not

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Alloy of sodium with mercury. Match the following columns. Generally, non-metals are not lustrous. Which of the following non-metals is lustrous? Name a non-metal which is lustrous and a metal which is non-lustrous. Iodine is a lustrous metal. Iodine and diamond are lustrous substances.

Iodine is a chemical element with the symbol I and atomic number This halogen occurs in the human diet, primarily in iodized salt, and is essential for human health in trace amounts. Iodine plays a crucial role in thyroid function, helping to regulate metabolism. Iodine was discovered by the French chemist Bernard Courtois in Courtois was extracting sodium and potassium compounds from seaweed ash and discovered iodine as an accidental byproduct. He observed violet fumes, which condensed to form dark crystals, and these were later identified as iodine. Iodine is a lustrous dark-gray to purple-black solid at room temperature. Although it is a nonmetallic element, it often has a metallic sheen. It sublimates easily, forming a beautiful violet gas. Its liquid state is a deep violet color.

Iodine is lustrous or not

Iodine is the element with the symbol I and atomic number It is a reactive halogen which is volatile and has many uses in inorganic and organic chemistry. Unlike the other halogens, iodine is solid at standard conditions and does not sublime rapidly, thus can be handled much safer. Iodine can be seen in the form of royal dark purple crystals, or in a gas in a lighter color. It is most commonly found as a silvery metallic looking chemical. Iodine, like other halogens, has its own unique smell, somewhat similar to chlorine , or described as being "clean". Contrary to some sources, iodine will melt if heated, though it tends to sublime a lot.

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View Answer? Maharashtra Arogya Vibhag Group D. He noted that the vapour crystallised on cold surfaces, making dark black crystals. Delhi Police MTS. Odisha Police Driver. Bihar Vidhan Sabha Security Guard. The iodine molecule, I 2 , dissolves in CCl 4 and aliphatic hydrocarbons to give bright violet solutions. Both atomic and molecular iodine ions are accelerated by high-voltage grids to generate thrust, and a highly collimated beam can be produced with substantial iodine dissociation. Civil Services Exam. HP TET. It exists in gaseous form. Karnataka SDA. In early periodic tables , iodine was often given the symbol J , for Jod , its name in German.

Iodine is an essential element needed for life. It is best known for the vital role it plays in thyroid hormone production in humans as well as in all vertebrates. Iodine deficiency can lead to serious health problems, including goiter enlarged thyroid gland , intellectual disability and cretinism.

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