Origin of Name |
From the Greek word iodes, meaning violet |
Date and Place of Discovery |
In 1811 in France |
Discovered by |
Barnard Courtois |
Common Compounds |
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Interesting facts |
- 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.
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Common Uses |
- Internal treatment medications, especially thyroid problems like
goiters
- Food supplements
- Photography
- Water purification
- Printing inks and dyes
- Halogen lights
- Catalysts
- Animal feed
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