Iodine (I)

Symbol I
Atomic Number 53
Atomic Weight 126.90447
Group 17 (fluorine family)
VIIB (Old IUPAC), VIIA (CAS)
Period 5
Block p

Planetary Bohr Model of I
Lewis Dot Diagram of I

Physical Properties

Density 4.93 g/cm3
Atomic Volume 25.7 cm3/mole
Atomic Radius 1.32 angstroms
Covalent Radius 133 pm
Radioactive No

States

Melting Point 113.5 °C
Boiling Point 184.0 °C
Heat Of Fusion 7.76 kJ/mole
Heat Of Vaporization 20.9 kJ/mole

Energy

Electronegativity 2.7 (Pauling Scale)
Electron Affinity -295 kJ/mol
1st Ionization Energy 1008 kJ/mol
Specific Heat Capacity 0.145 J g−1 K−1
Thermal Conductivity 0.449 W·m−1·K−1

Electrons and Oxidation

Oxidation States -1,+5,7
Electrons Per Shell 2 8 18 18 7
Electron Configuration [Kr] 4d10 5s2 5p5
1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 5s2 5p5

Translations

English Iodine
Deutsch Iod (Jod)
Lëtzebuergesch Jod
Nederlands Jood
Afrikaans Jood
Frysk Joadium
Dansk Jod
Svenska Jod
Norsk Jod
Íslenska Jo
Føroysk Jod
Latin Iodium
Français Iode
Español Yodo
Catalana Iode
Occitana Ide
Português Iodo
Galego Iodo
Italiano Iodio
Furlan Jodi
Român Iod
Moldavian Iod
Armãneashte Iodu
Русский ???
Українска ???
Byelorussian ??
Polska Jod
Kaszëbsczi Jd
Čech Jod
Slovenský Jd
Slovenščina Jod
Hrvatska Jod
Српски J??
Bosnian Jod
Македонски ???
Български ???
Lietuviškai Jodas
Lao Jods
Sudovian J?das
Cymraeg odin
Gaeilge na hÉireann Iaidn
Gàidhlig na h odain
Gaelg Vanninagh Eeadeen
Cornish Eyodyn
Brezhoneg Iod
Ελληνική ?????
Shqip Jod
Ossetian ???
Euskera Iodoa
Georgian ????
Suomi Jodi
Eesti Jood
Magyar Jd
Türkçe ?yod
Kazakh ???
Uzbek ???
Tajik Iod
Mongolian ???
日本語 ??? [youso]
中国话 ?
ไทย ???????
Vietnamese Iot, Io?
Bahasa Melayu Iodin, Yodium
العربيه ???
Il-Malti Jodju
עברית ???
Esperanto Jodo

History

Discovered In
1811
Discovered By
Bernard Courtois
Discovered At
France
Word Origin
From the Greek word "iodes" meaning "violet"