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The least reactive of the halogens, iodine is a bluish-black, diatomics, lustrous solid, volatilizing at room temperature into a blue-violet gas with a distinctive odor. Iodine exhibits some metal-like properties. It is used in a wide variety of applications including dyes, photography, and medicines. It combines with many elements to form a variety of compounds.
|Property Name||Property Value||Property Name||Property Value|
|Atomic Code||(53I126.9045)||Atomic Volume||25.7W/D|
|CAS #||7553-56-2||First Ionization Energy||241K-cal/g-mole|
|Melting Point||113.7°C||Covalent Radius||1.33Angstroms|
|Boiling Point||185°C||Cubic Coefficient of Expansion @ 20°C||2.81x10-6K-1|
|Density||4.93g/cm3||Electrical Resistivity @ 25°C||5.85x106µΩ-cm|
|Themal Conductivity||10.4x10-4cal/cm2/cm/s/°C||Crystal Structure||Orthorhombic|
|Specific Heat @ 25°C||0.052cal/g°C||Critical Temperature||553°C|
|Heat of Fusion||14.85cal/g||Critical Pressure||116atm|
|Heat of Vaporization||39.28cal/g||Vapor Pressure @ 25°C||0.31mmHg|