Iodine is the fourth halogen, being a member of group 17 in the periodic table, below fluorine, chlorine, and bromine; since astatine and tennessine are radioactive, iodine is the heaviest stable halogen.

Jan 10, 2025 · iodine (I), chemical element, a member of the halogen elements, or Group 17 (Group VIIa) of the periodic table. In 1811 the French chemist Bernard Courtois obtained a …

Element Iodine (I), Group 17, Atomic Number 53, p-block, Mass 126.904. Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images.

Interactive periodic table showing names, electrons, and oxidation states. Visualize trends, 3D orbitals, isotopes, and mix compounds. Fully descriptive writeups.

Iodine is the 53rd element in the periodic table and has a symbol of I and atomic number of 53. It has an atomic weight of 126.90447 and a mass number of 127. Iodine has fifty-three protons and seventy-four neutrons in its nucleus, and fifty-three electrons in five shells.

Periodic Table element Summary Iodine. Iodine is a chemical element with symbol I and atomic number 53. Classified as a halogen, Iodine is a solid at room temperature.

Iodine is a chemical element of the periodic table with chemical symbol I and atomic number 53 with an atomic weight of 126.904 u and is classed as nonmetal and is part of group 17 (fluorine group). Iodine is solid at room temperature.

Iodine - Properties, history, name origin, facts, applications, isotopes, electronic configuation, crystal structure, hazards and more; Interactive periodic table of the chemical elements.

Comprehensive information for the element Iodine - I is provided by this page including scores of properties, element names in many languages, most known nuclides and technical terms are linked to their definitions.

Get the facts about element Iodine (I) [53] from the periodic table. Find physical data, electron configuration, chemical properties, aggregation states, isotope data (including decay trees) as well as some historic information.