Iodine - Wikipedia
WEBIodine is a chemical element; it has symbol I and atomic number 53. The heaviest of the stable halogens, it exists at standard conditions as a semi-lustrous, non-metallic solid that melts to form a deep violet liquid at 114 °C (237 °F), and boils to a …
53. Iodium (Iodine) - Elementymology & Elements Multidict
WEBιοειδης [ioeidès] = violet coloured (Greek) History & Etymology. Iodine was discovered in May 1811 by Bernard Courtois (1777-1838) in Dijon. Courtois was manufacturer of salpeter (potassium nitrate, KNO 3 ), a major component of gunpowder.
Iodine Facts (Atomic Number 53 or I) - Science Notes and Projects
WEBSep 30, 2023 · Iodine is a chemical element with the symbol I and atomic number 53. This halogen occurs in the human diet, primarily in iodized salt, and is essential for human health in trace amounts. Iodine plays a crucial role in thyroid function, helping to …
List of chemical elements - Wikipedia
WEB118 chemical elements have been identified and named officially by IUPAC. A chemical element, often simply called an element, is a type of atom which has a specific number of protons in its atomic nucleus (i.e., a specific atomic number , or Z ).
Iodine - Element information, properties and uses | Periodic Table
WEBElement Iodine (I), Group 17, Atomic Number 53, p-block, Mass 126.904. Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images. Jump to main content
Iodine (I)
WEBIodine 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.
WebElements Periodic Table » Iodine » the essentials
WEBIodine compounds are important in organic chemistry and very useful in medicine and photography. Lack of iodine is the cause of goitre (Derbyshire neck). The deep blue colour with starch solution is characteristic of the free element.
10 Facts About the Element Iodine (Atomic Number 53 or I)
WEBMay 7, 2019 · Iodine is element 53 on the periodic table, with element symbol I. Iodine is an element you encounter in iodized salt and some dyes. A small amount of iodine is essential for nutrition, while too much is toxic. Here …
Iodine | Chemical Properties, Uses, & Applications | Britannica
WEBSep 5, 2024 · Iodine, chemical element, a member of the halogen elements, or Group 17 (Group VIIa) of the periodic table.
Iodine, Chemical Element - reaction, water, uses, elements, …
WEBOverview. Iodine is the heaviest of the commonly occurring halogens. The halogens are in Group 17 (VIIA) of the periodic table. The periodic table is a chart that shows how chemical elements are related to each other. Iodine's chemical properties are similar to the lighter halogens above it, fluorine, chlorine, and bromine.