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iodine
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A labeled diagram highlights the periodic table entry for iodine, atomic number 53, symbol I, atomic weight 126.90447, and electron configuration. It shows iodine as a solid halogen with an orthorhombic crystal structure and strongly acidic higher-valence oxides, using color and shape keys for classification. iodine
Two beakers show iodine dissolving in different solvents: on the left, iodine does not dissolve in water; on the right, iodine dissolves and turns purple in a benzene solution. Molecular models are shown above each beaker.
Explore an interactive periodic table of the elements iodine
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Concept artwork on the periodic table of elements.
118 Names and Symbols of the Periodic Table Quiz
Periodic Table of the elements concept image (chemistry)
Facts You Should Know: The Periodic Table Quiz
Periodic table of the elements. Left column indicates the subshells that are being filled as atomic number Z increases. The body of the table shows element symbols and Z. analysis and measurement
Periodic Table of the Elements
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Why Iodine Doesn't Dissolve in Water
Water is polar, while iodine is nonpolar.
Video: Encyclopædia Britannica, Inc.

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iodine
Encyclopædia Britannica, Inc.
iodine
Iodine.
Ben Mills
iodine
Iodine, as in the form of Dobell's iodine solution, is an effective antimicrobial...
Dr. Mae Melvin/CDC

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Explore an interactive periodic table of the elements
Periodic table of the elements.
Encyclopædia Britannica, Inc.
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