Periodic Table

Iodine

Atomic Number: 53

 
Overview
PropertyValueUnits

Atomic Mass

126.9045

Density

4.94

g/cckg/m3lb/in3
Thermal Properties

Thermal Properties

PropertyValueUnits

Melting Point

114°C

K°C°F°R

Boiling Point

184°C

K°C°F°R

Critical Pressure

11.7 MPa

MPaAtmPSI

Critical Temperature

819°C

K°C°F°R

Heat of Fusion

7.76 kJ/mol

kJ/molcal/mol

Heat of Vaporization

20.9 kJ/mol

kJ/molcal/mol

Specific Heat

429 J/kg·K

J/kg·K

Thermal Conductivity

0.449 W/m·K

W/m·K
Electon Configuration

Electron Structure

[Kr] 4d10 5s2 5p5

Shell Arrangement

KLMNOPQ
281818700
LevelS OrbitalP OrbitalD OrbitalF Orbital
Level 1
Level 2
History

Year Discovered

1811

Isotopes
IsotopeCommon NameSymbolMassStatusAbundanceHalf-lifeDecay modeDecay EnergyNuclear SpinMagnetic Moment

53

I

127

IodineI127Stable100-----

Isotopic mass data for stable isotopes is from:
G. Audi, A.H. Wapstra in Nuclear Physics A, 1993, 565, 1-65
and
G. Audi, A.H.Wapstra in Nuclear Physics A, 1995, 595 409-480.

Natural abundance data is from:
K.J.R. Rosman, P.D.P. Taylor in Pure Appplied Chemistry, 1999, 71, 1593-1607.

 

Occurance
In the Universe0.0000001%
In the Sun0%
In Meteorites0.000025%
In the Earth's Crust0.000049%
In Seawater0.000006%
In the Human Body0.00002%
Models

Pictures, videos and 3D models of the element

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