- 1 boiling point of iodine
- 2 About iodine
- 3 uses iodine
- 4 iodine sources
- 5 References
Boiling point of iodine
The boiling point of iodine is 184.4 degrees Celsius, or 363.9 Fahrenheit, or 457.6 Kelvin,  and reflects the concept of the boiling point temperature where the pressure formed value equal by the areas surrounding the liquid with the formed pressure by the value of the liquid vapor, in the case this condition is available in addition to the heat produced in the conversion process will turn the liquid into a vapor without raising the temperature. 
Iodine is considered a type of chemical elements, belongs to a group of halogenated elements that are found in the group 17 of the periodic table, and has several properties, including the following: 
- Atomic number: 53.
- Atomic weight: 126.9044.
- Melting point: 113.5 degrees Celsius or 236 Fahrenheit.
- Quality: 4.93 density at a temperature of 20 Celsius or 68 Fahrenheit.
- Oxidation state: -1, + 1, + 3, + 5 + 7.
- Electronic distribution: 2-8-18-18-7, or 5 ^ 5 s ^ 2,4d ^ 10,5p.
Uses of iodine
The process of photography is the first work of commercial use by considered iodine after technology invention element produce images on a piece of metal by Louis Daggrey in 1839, uses iodine in many areas of business at the present time, such as using iodide salts in pharmaceuticals, printing inks, dyes , disinfectants, supplement animal feed, chemicals for photography, catalysts, uses isotope iodine-131 for the treatment of thyroid cancer, in addition to adding it to table salt to avoid decreasing in the body, which affects the thyroid gland. 
Can be found iodine to iodide form in seawater or seaweed that absorbs chemical compounds, the element also found in Chilean rock salt, oil wells, and salt water in the salt wells, marine and solutions resulting from the sediment of old marine. 
- ^ أ ب "Iodine", www.rsc.org, Retrieved 22-2-2018. Edited.
- ↑ "Boiling point", www.britannica.com,20-2-2018، Retrieved 22-2-2018. Edited.
- ↑ Stefan Schneider Karl Christe (24-1-2018), "Iodine"، www.britannica.com, Retrieved 22-2-2018. Edited.
- ↑ Anne Marie Helmenstine. (6-8-2017), "Iodine Element Facts - Periodic Table"، www.thoughtco.com, Retrieved 22-2-2018. Edited.
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