Question

what is iodine??
please help me friends I have to answer it to my teacher ​

Answer 1

Answer:

Iodine is a chemical element. The body needs iodine but cannot make it. The iodine needed by the body must come from the diet. As a rule, there is very little iodine in food, unless it has been added during processing. Processed food typically contains more iodine due to the addition of iodized salt. Most of the world's iodine is found in the ocean, where it is concentrated by sea life, especially seaweed.

Answer 2

Iodine is a chemical element with the symbol I and atomic number 53. The heaviest of the stable halogens, it exists as a lustrous, purple-black non-metallic solid at standard conditions that melts to form a deep violet liquid at 114 degrees Celsius, and boils to a violet gas at 184 degrees Celsius.

Symbol: I

Atomic mass: 126.90447 u

Atomic number: 53

Electron configuration: [Kr] 4d105s25p5

CAS ID: 7553-56-2

Van der Waals radius: 198 pm

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