|Origin of Name
||From the Greek word iodes, meaning violet
|Date and Place of Discovery
||In 1811 in France
- Its the least reactive of the halogens.
- Most living organisms require trace amounts of it in their diets.
- Two-thirds of the iodine in a human body is found in the thyroid.
- Iodine in the thyroid is the key to the metabolism, the ability to burn off calories.
- Its vapor is very irritating to the eye.
- It reacts with the alkali metals to form salts.
- Internal treatment medications, especially thyroid problems like
- Food supplements
- Water purification
- Printing inks and dyes
- Halogen lights
- Animal feed