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.

Iodine is lustrous or not

Courses for Kids. Free study material. Offline Centres. Talk to our experts Iodine is a non-metal which has metallic luster. A True B False. Last updated date: 15th Mar Study Material. Important Questions. Chapter Pages. Revision Notes. Difference Between. Preparation Tips. Exam Info. Important Dates.

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Wiki User. The appearance of iodine crystals: lustrous, metallic, gray. Thus, metals can be lustrous and non-metals cannot be lustrous in nature except iodine, which is a non-metal, but is lustrous in nature. Sulfur is not lustrous. Elemental iodine has a lustrous metallic gray color, and its vapor is violet. Source: Wikipedia. Almost all metals are lustrous and shine and some non-metals like Graphite and iodine do have some lustre.

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. This can be done very easy by using high heat or hot concentrated sulfuric acid. Iodine is not very soluble in water, but is very soluble in a solution of sodium or potassium iodide in water.

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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.

This is similar to iodine which is solid at room temperature and has a metallic lustre too. West Bengal Group D. MAH B. Vizag Steel Trade Apprentice. Railway TTE. Telangana Librarian. Metallic luster is due to presence of free electrons in them generally non metals don't exhibit this property, but iodine and graphite are non metals they exhibit metallic luster. Kolkata Police SI. Bihar Elementary Teacher. Saltpetre produced from French nitre beds required sodium carbonate , which could be isolated from seaweed collected on the coasts of Normandy and Brittany. Banking Exams.