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Iodine Properties

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What are  the Properties of Iodine? Definition of Iodine
What is the definition of Iodine? It is a lustrous, violet-black, corrosive, poisonous halogen element having radioactive isotopes. The Physical and Chemical Properties are the characteristics of a substance, like Iodine, which distinguishes it from any other substance. Most common substances, like Iodine, exist as States of Matter as solids, liquids, gases and plasma. Refer to the article on Iodine Element for additional information and facts about this substance.

Iodine Properties - What are the Physical Properties of Iodine?
What are the Physical Properties of Iodine? The Physical properties of Iodine are the characteristics that can be observed without changing the substance into another substance.

Physical properties are usually those that can be observed using our senses such as color, luster, freezing point, boiling point, melting point, density, hardness and odor. The Physical Properties of Iodine are as follows:

  • Color : Violet black. A sgray solid that changes into purple vapors when heated
  • Luster : Has a shine or glow
  • Odor : Strong, harsh odor
  • Crystalline structure : Rhombic
  • Density : Heavy

Iodine Properties - What are the Chemical Properties of Iodine?
What are the Chemical Properties of Iodine? They are the characteristics that determine how it will react with other substances or change from one substance to another. The better we know the nature of the substance the better we are able to understand it. Chemical properties are only observable during a chemical reaction. Reactions to substances may be brought about by changes brought about by burning, rusting, heating, exploding, tarnishing etc. The Chemical Properties of Iodine are as follows:

  • Chemical Formula : Hg
  • Toxicity : Poisonous halogen
  • Oxidation  : It does not combine directly with oxygen
  • Compounds : With hydrogen it forms hydrogen iodide, which in water solution becomes hydriodic acid. Its compounds are used in medicine and photography and in dyes
  • Corrosion : Highly corrosive
  • Reactivity with water : Dissolves only slightly in water
  • Reactivity with heat : Moves from the solid to the vapor state (sublimation)
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