Web13 jul. 2024 · Chemical Symbol I (Iodine) Description Shiny, black, non-metalic solid; as a gas it is violet and intensely irritating to the eyes, nose and throat. Sources Occurs on land and in the sea in sodium and potassium compounds. Atomic Number 53 Learn more about the atomic number. Atomic Mass 126,90447 Name Origin Greek: iôeides (violet colored). … WebIodine 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 …
The Intriguing Element Iodine Periodic Table ChemTalk
http://www.energybc.ca/cache/nuclear/nuclear2/www.epa.gov/rpdweb00/radionuclides/iodine.html WebIodine, with atomic symbol I, is a nonmetal that lies in group 17 of the periodic table, the halogens. The element iodine lies below bromine, above astatine, to the right of … durham university theses online
Who Discovered Iodine 131? - Chemistry ScienceBriefss.com
Web6 sep. 2024 · Iodine is present in the 5th period and 17th group of the modern periodic table, along with other halogens. It is represented by the symbol “I” and exists as a … WebWhat is Iodine A crystalline metalloid, iodine (pronounced EYE-eh-dine) belongs to the family of halogens. Denoted by the chemical symbol I, it undergoes sublimation when … Iodine is a chemical element with the symbol I and atomic number 53. The heaviest of the stable halogens, it exists as a semi-lustrous, non-metallic solid at standard conditions that melts to form a deep violet liquid at 114 °C (237 °F), and boils to a violet gas at 184 °C (363 °F). The element was discovered by … Meer weergeven In 1811, iodine was discovered by French chemist Bernard Courtois, who was born to a manufacturer of saltpetre (an essential component of gunpowder). At the time of the Napoleonic Wars, saltpetre was in great … Meer weergeven Iodine is the least abundant of the stable halogens, comprising only 0.46 parts per million of Earth's crustal rocks (compare: fluorine 544 … Meer weergeven Iodine is an essential element for life and, at atomic number Z = 53, is the heaviest element commonly needed by living organisms. ( Meer weergeven Iodine is the fourth halogen, being a member of group 17 in the periodic table, below fluorine, chlorine, and bromine; it is the heaviest … Meer weergeven Iodine is quite reactive, but it is much less reactive than the other halogens. For example, while chlorine gas will halogenate Meer weergeven About half of all produced iodine goes into various organoiodine compounds, another 15% remains as the pure element, another 15% is used … Meer weergeven Toxicity Elemental iodine (I2) is toxic if taken orally undiluted. The lethal dose for an adult human is 30 … Meer weergeven cryptocurrency exchange wikipedia