What is the chemical formula of iodine element?
Iodine, which is located in the periodic period of the chemical element in the 5 cycle. Series VIIA is one of the halogen elements. 1811 French pharmacist Kutwa first found that iodine iodine. Elemental iodine was purple black crystal, easy sublimation, after sublimation easy to Ninghua. Toxic and corrosive. Iodine case of starch will become blue and purple. Mainly used for pharmaceuticals, dyes, iodine, test paper and iodine compounds. Iodine is one of the essential trace elements in the body. The total amount of iodine in healthy adults is 30 mg (20 to 50 mg), and the national standard for adding iodine to salt is 20-30 mg / kg.
The chemical formula of iodine element is: I2.
