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I - Iodine - periodic table of the elements

The solid halogen was discovered in 1811 by Bernard Courtois in seaweed. Iodine has been used for its antibacterial qualities.


Atomic number - 53 Density g/mL 4 .92
Atomic weight u 126 .9045 Melting point K 386 .7
Bonding radius A 1 .33 Boiling point K 458 .4
Atomic radius A 1 .32 Heat of vaporization kJ/mol 20 .752
Ionization Potential V 10 .451 Heat of fusion kJ/mol 7 .824
Electronegativity - 2 .66 Specific heat J/gK 0 .214
The oxide is a strong acid.
Crystal are orthorhombic.

Electron configuration: [Kr] 4d10 5s2 5p5

Other elements of the periodic table

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HHe
LiBeBCNOFNe
NaMgAlSiPSClAr
KCaScTiVCrMnFeCoNiCuZnGaGeAsSeBrKr
RbSrYZrNbMoTcRuRhPdAgCdInSnSbTeIXe
CsBaLa * HfTaWReOsIrPtAuHgTlPbBiPoAtRn
FrRaAc ** RfDbSgBhHsMt110111112113
Lanthanides* CePrNdPmSmEuGdTbDyHoErTmYbLu
Actinides ** ThPaUNpPuAmCmBkCfEsFmMdNoLr