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  1. Iodine
    IodineChemical element
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  2. Wikipedia
    https://en.wikipedia.org › wiki › Iodine

    Iodine - Wikipedia

    • Iodine is a chemical element; it has symbol I and atomic number 53. The heaviest of the stable halogens, it exists at standard conditions as a semi-lustrous, non-metallic solid that melts to form a deep violet liquid at 114 °C (237 °F), and boils to a violet gas at 184 °C (363 °F). The element was discovered by the French chemist Bernard Courtois in 1811 an… See more

    History

    In 1811, iodine was discovered by French chemist Bernard Courtois, who was born to a family of manufacturers of
    Courtois … See more

    Properties

    Iodine is the fourth halogen, being a member of group 17 in the periodic table, below fluorine, chlorine, and bromine; since astatine and tennessine are radioactive, iodine is the heaviest stable halogen. Iodine has an elec… See more

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    Appearancelustrous metallic gray solid, black/violet liquid, violet gas
    Phase at STPsolid
    Melting point(Iâ‚‚) 386.85 K (113.7 °C, 236.66 °F)
    Boiling point(Iâ‚‚) 457.4 K (184.3 °C, 363.7 °F)
    What You Need to Know
    What You Need to Know
    Iodine is an essential element for your body, especially for your thyroid gland. But how much do you know about it? In this video, we'll explore some facts and side effects of iodine.
    Chemistry and compounds

    Iodine is quite reactive, but it is less so than the lighter halogens, and it is a weaker oxidant. For example, it does not halogenate carbon monoxide, nitric oxide, and sulfur dioxide, which chlorine does. Many metal… See more

    Occurrence and production

    Iodine is the least abundant of the stable halogens, comprising only 0.46 parts per million of Earth's crustal rocks (compare: fluorine: 544 ppm, chlorine: 126 ppm, bromine: 2.5 ppm) making it the 60th most abundant e… See more

    Applications

    About half of all produced iodine goes into various organoiodine compounds, another 15% remains as the pure element, another 15% is used to form potassium iodide, and another 15% for other inorganic iodine compounds. … See more

    Spectroscopy

    The spectrum of the iodine molecule, I2, consists of (not exclusively) tens of thousands of sharp spectral lines in the wavelength range 500–700 nm. It is therefore a commonly used wavelength reference (… See more

    Chemical analysis

    The iodide and iodate anions can be used for quantitative volumetric analysis, for example in iodometry. Iodine and starch form a blue complex, and this reaction is often used to test for either starch or iodine and as an … See more

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  2. Halogen
    Although it is technically a non-metal, it exhibits some metallic qualities. Iodine is classified as a halogen — a subset of very chemically reactive elements (Group 17 on the periodic table) that exist in the environment as compounds rather than as pure elements.

    Facts About Iodine - Live Science

    www.livescience.com/37441-iodine.html
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  3. People also ask
    Does iodine have metallic properties?
    As a metalloid, iodine has several allotropes that display the metallic properties of this nonmetallic substance when exposed to room temperature. Namely, element 53 is ductile and can be used as a semi-conductor of heat and electricity. The metallic characteristics of iodine are most strongly exhibited in the following iodine compounds:

    Iodine - The Chemical Elements

    thechemicalelements.com
    Is iodine a metalloid or a halogen?
    "Metalloid", like "metal" and "nonmetal" is a classification of elements based on similar properties. Iodine may be a metalloid and a halogen. Chlorine is a nonmetal and a halogen. Tellurium is a chalcogen (name of the oxygen group) and a metalloid.

    Metallic properties of iodine - Chemistry Stack Exchange

    chemistry.stackexchange.com
    What does iodine smell like?
    Iodine can be seen in the form of royal dark purple crystals, or in a gas in a lighter color. It is most commonly found as a silvery metallic looking chemical. Iodine, like other halogens, has its own unique smell, somewhat similar to chlorine, or described as being "clean".

    Iodine - Sciencemadness Wiki

    sciencemadness.org
    What are the characteristics of iodine?
    Orthorhombic, forming lattice structures in its solid form. Iodine crystals are shiny and lustrous with a metallic sheen, signifying its crystalline solid state. Electronegativity: Iodine has a relatively high electronegativity with a Pauling value of 2.66. This makes it a good oxidizing agent and reactive towards many elements and compounds.

    Iodine (I) - Definition, Preparation, Properties, Uses ... - Examples

    examples.com
    Is iodine a solid?
    Iodine is a bluish-black, lustrous solid. (Image credit: Images of elements) About 99.6 percent of the Earth's mass is a mixture of 32 chemical elements, according to the World Iodine Association (WIA). The remaining 0.4 percent is divided among 64 elements — all of these in trace amounts.

    Facts About Iodine - Live Science

    livescience.com
    Why is iodine a darker color than halogens?
    The color of iodine follows a trend seen in the halogens: they appear progressively darker as you move down the group of the periodic table. This trend happens because the wavelengths of light absorbed by the elements increases due to the behavior of the electrons.

    10 Facts About the Element Iodine (Atomic Number 53 or I) - ThoughtCo

    thoughtco.com
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  4. The Royal Society of Chemistry
    https://www.rsc.org › periodic-table › element

    Iodine - Element information, properties and uses | Periodic Table

     
  5. Chemistry Stack Exchange
    https://chemistry.stackexchange.com › qu…

    Metallic properties of iodine - Chemistry Stack Exchange

    Iodine is a metalloid. Metalloid elements have one or more allotropes with properties intermediate between those of a metal and a nonmetal. Metals are lustrous, ductile, and conductive of heat and electricity. Nonmetals are matte, …

    elements - Is astatine a non-metal or a metalloid ...
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  6. Sciencemadness Dot Org
    https://www.sciencemadness.org › smwiki › index.php

    Iodine - Sciencemadness Wiki

  7. PubChem
    https://pubchem.ncbi.nlm.nih.gov › element › Iodine

    Iodine | I (Element) - PubChem

  8. Images of Metallic Iodine

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  9. WebElements
    https://www.webelements.com › iodine

    WebElements Periodic Table » Iodine » the essentials

  10. American Elements
    https://www.americanelements.com › ii.htm

    Iodine (I) - American Elements

  11. PubChem
    https://pubchem.ncbi.nlm.nih.gov › compound › iodine

    Iodine | I2 | CID 807 - PubChem

  12. lanl.gov
    https://periodic.lanl.gov

    Periodic Table of Elements: Los Alamos National Laboratory

  13. Chemistry LibreTexts
    https://chem.libretexts.org › Bookshelves › Inorganic...

    8.13.6: Chemistry of Iodine (Z=53) - Chemistry LibreTexts

  14. HyperPhysics
    http://hyperphysics.phy-astr.gsu.edu › hbase › pertab › i.html

    Iodine - HyperPhysics

  15. Chemistry LibreTexts
    https://chem.libretexts.org › Bookshelves › General...

    12.4: The Fundamental Types of Crystalline Solids

  16. Live Science
    https://www.livescience.com

    Facts About Iodine - Live Science

  17. The Chemical Elements
    https://thechemicalelements.com › iodine

    Iodine - The Chemical Elements

  18. ThoughtCo
    https://www.thoughtco.com

    10 Iodine Facts (Atomic Number 53 or I) - ThoughtCo

  19. Science Notes and Projects
    https://sciencenotes.org

    Iodine Facts (Atomic Number 53 or I) - Science Notes and Projects

  20. Springer
    https://link.springer.com › article

    Trapping measurements of volatile iodine by sand bed and …

  21. Examples
    https://www.examples.com › chemistry › iodine.html

    Iodine (I) - Definition, Preparation, Properties, Uses ... - Examples

  22. ResearchGate
    https://www.researchgate.net › publication

    Trapping measurements of volatile iodine by sand bed and …

  23. isnatt.org
    http://isnatt.org › Conferences › Monday › French NPPs...
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    French NPPs Filtered Containment Venting Design - ISNATT