Category

Iodine

Catalogue

Atomic structure
Discovery
Source
Element USES
physical property
Chemical property
Geological data
Biology data

Atomic structure

Atomic radius/A: 1.32
Atomic volume/cm3 / mol: 25.74
Electronic configuration: 1 2 3 4 s2p6 s2 s2p6d10 s2p6d10 5 s2p5
Ion radius/A: 2.2
Covalent radius/A: 1.33 oxidation state: degree is obtai, 5, 7

Discovery

1811 by Bernard Courtois (France, Dijon) found.

Source

Sodium and potassium compound exist in the land and the sea.

Element USES

The human body essential elements, have been used as a preservative, but soon because of its toxicity and eliminated.

physical property

State: solid halogen: there is light color to black chip, gas for purple.
Melting point (℃) : 113.5
Boiling point (℃) : 185.4
Density (g/cc, 300 K) : 4.93
Than hot/J/gK: 0.214
Evaporation heat/KJ/mol: 20.752
Melting hot/KJ/mol: 7.824

Geological data

abundance
Retention time/year: 300 000
The sun (relative to the H = 1 x 1012) : unknown sea/P.P.M. :
The earth's crust/P.P.M. : 0.14 the Atlantic ocean surface: 0.0489 the Pacific Ocean surface: 0.043
Atmospheric/P.P.M. (volume) : trace the Atlantic ocean depths: 0.056 the depths of the Pacific Ocean: 0.058

Biology data

Content in the human body
Liver/P.P.M. : 0.7
Organs: muscle/P.P.M. : 0.05-0.5
Blood/mg dm-3:0.057 days intake/mg: 0.1-0.2
Bone/P.P.M. : 0.27 (70 Kg) are total body/mg: 12-20

Detailed information

Iodine/I