iodine (I), chemical element, a member of the halogen elements, or Group 17 (Group VIIa) of the periodic table.
Where is iodine found on the periodic table?
Iodine, with atomic symbol I, is a nonmetal that lies in group 17 of the periodic table, the halogens. Iodine lies below bromine, above astatine, to the right of tellurium, and to the left of xenon. Its aqueous chemistry is similar to bromine’s.
Is iodine a metal or nonmetal?
As a pure element, iodine is a lustrous purple-black nonmetal that is solid under standard conditions. It sublimes (changes from a solid to a gaseous state while bypassing a liquid form) easily and gives off a purple vapor. Although it is technically a non-metal, it exhibits some metallic qualities.
When was iodine on the periodic table?
The element was discovered by the French chemist Bernard Courtois in 1811, and was named two years later by Joseph Louis Gay-Lussac, after the Ancient Greek Ιώδης ‘violet-coloured’. ), and the various periodate anions. It is the least abundant of the stable halogens, being the sixty-first most abundant element.
How do you write iodine?
Iodine is an element with atomic symbol I, atomic number 53, and atomic weight of 126.90.
Why is it called iodine?
Iodine gets its name from the Greek word “iodes” which means “violet.” Iodine has one stable isotope that occurs naturally, iodine-127. Many people get the iodine they need in their diets from eating seaweed.
Does pink Himalayan salt have iodine in it?
Himalayan salt has no added iodine, which may cause hypoactive thyroid in iodine-deficient individuals. There are no proven health benefits to using Himalayan salt, just like there is no benefit of using Himalayan salt lamps.
Does the human body produce iodine?
Iodine is an element that is needed for the production of thyroid hormone. The body does not make iodine, so it is an essential part of your diet. Iodine is found in various foods (see Table 1).
What is the most common cause of iodine deficiency?
Some people don’t get enough iodine because the foods that contain it, such as seafood, tend to be more expensive. Eating organic bread or specialty salt also mean people are missing out on iodine in their diet. While anybody can develop iodine deficiency, those most at risk are: pregnant women.
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