iodine
chemical element with symbol I and atomic number 53
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Summary
iodine is a chemical element[1]. iodine draws 15,613 Wikipedia views per month (chemical element category, ranking #35 of 144).[2]
Key Facts
- Discoverer or inventor: Bernard Courtois[3]
- Instance of: lithophile[4]
- Named after: violet[5]
- Location of discovery: Paris[6]
- Element symbol: I[7], J[8]
- Subclass of: period 5[9], nonmetal[10], halogens[11], diatomic nonmetal[12], p-block[13]
- Part of: period 5[14], halogens[15]
- Has use: iodine in medicine[16]
- Commons category: Iodine[17]
- Unicode character: 碘[18]
- Crystal system: orthorhombic crystal system[19]
- Time of discovery or invention: January 1, 1811[20]
- Point group: orthorhombic-bipyramidal[21]
- Space group: space group 64[22]
- IPA transcription: ˈaɪədaɪn[23], ˈaɪədiːn[24], ˈaɪədɪn[25]
- Topic's main category: Category:Iodine[26]
- Commons gallery: Iodine[27]
- Atomic number: 53[28]
- Electronegativity: 3[29]
- Oxidation state: -1[30], 0[31], 1[32], 2[33], 4[34], 5[35], 6[36], 7[37], 3[38]
- Described by source: Armenian Soviet Encyclopedia[39], The Nuttall Encyclopædia[40], Brockhaus and Efron Encyclopedic Dictionary[41], Small Brockhaus and Efron Encyclopedic Dictionary[42], Encyclopædia Britannica 11th edition[43], The New Student's Reference Work[44]
- Has characteristic: diamagnetism[45]
- Different from: diiodine[46]
- Density: 4841.14 kilogram per cubic metre[47]
- Mass: 126.90447 dalton[48]
Body
Influence
Things named for iodine include iodargyrite[49], a mineral species[50].
Why It Matters
iodine has Wikipedia articles in 30 language editions, a strong signal of global cultural recognition.[51] iodine is known by 77 alternative names across languages and contexts.[52]
Entities named for iodine include iodargyrite[49], a mineral species[50].