Interesting Facts about IODINE ***

Facts about Iodine

Facts About

The Element Iodine is defined as...
A lustrous, violet-black, corrosive, poisonous halogen element having radioactive isotopes, especially I 131, used as a medical tracer and in thyroid disease diagnosis and therapy.

Iodine compounds are used as germicides, antiseptics, and dyes.

What are the origins of the word Iodine ?
The name originates from the Greek word Iodes meaning "violet".

Facts about the Classification of the Element Iodine
Iodine is classified as an element in the 'Halogens' section which can be located in group 7 of the Periodic Table. The term "halogen" means "salt-former" and compounds containing halogens are called "salts". The halogens exist, at room temperature, in all three states of matter - Gases such as Fluorine & Chlorine, Solids such as Iodine and Astatine and Liquid as in Bromine.

Brief Facts about the Discovery and History of the Element Iodine
Iodine was discovered by Charles Bernard Desormes (1777-1862) in 1811

Occurrence of the element Iodine
Obtained from sodium and potassium compounds

Common Uses of Iodine
Germicides
Antiseptics
Dyes
Table salt
Organic chemistry
Photography

The Properties of the Element Iodine
Name of Element : Iodine
Symbol of Element : I
Atomic Number of Iodine : 53
Atomic Mass: 126.90447 amu
Melting Point: 113.5 °C - 386.65 °K
Boiling Point: 184.0 °C - 457.15 °K
Number of Protons/Electrons in Iodine : 53
Number of Neutrons in Iodine : 74
Crystal Structure: Orthorhombic
Density @ 293 K: 4.93 g/cm3
Color of Iodine : violet-black