Iodine

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Iodine is a chemical element, having the chemical symbol I.

Iodine
126.90447(3)



  I
53
[Kr] 4d10 5s2 5p5
[ ? ] Halogen:

Its atomic number (the number of protons) is 53. It has a Standard Atomic Weight of 126.90447(3), and is typically found as a solid in its elemental form.

Iodine is considered to be a member of the "Halogen" class of elements, has a boiling point of 184.4 °C , and a melting point of 113.7 °C .

Iodine is specified as a List I chemical by the US Drug Enforcement Administration and is considered to have high risk of diversion to illicit drug manufacturing[1].

  1. ↑ http://www.deadiversion.usdoj.gov/fed_regs/rules/2007/fr0702.htm
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