The oxidation state of an atom is a measure of the degree of oxidation of an atom. Consider the following half-cell reactions and their standard electrode potentials. Three standard states are recognized: For a gas phase it is the (hypothetical) state of the pure substance in the gaseous phase at the @S05921@ \(p=p^{\,\unicode{x26ac}}\), assuming ideal behaviour. The iodine-replete healthy adult has about 15–20 mg of iodine, 70%–80% of which is contained in the thyroid [ 6 ]. Accidental release measures Personal Precautions Use personal protective equipment. 77, No. The sum of the oxidation states within a compound … Ensure adequate ventilation. Although iodine is a non-metal, it displays some metallic properties. Standard state: iodine: Superconductivity temperature: iodine: Term symbol: iodine: Thermal conductivity: iodine: thermochemistry: iodine: Thermodynamic properties: iodine: Total mass in 70 kg human: iodine: Uses: iodine: valence orbital R(max) iodine: valence s-orbital R(max) iodine: valence p-orbital R(max) iodine: valence d-orbital R(max) Uncombined elements have an oxidation state of 0. 58 / Monday, March 26, 2012 / Rules and Regulations Date of issue: 11/04/2004 Revision … Characteristics: Iodine is a bluish-black, lustrous solid. State of a system chosen as standard for reference by convention. Natural brines, or brines extracted from oil wells containing up to 150 mg per litre (0.02 ounce per gallon) of iodine, are found in Java, California, and northern Italy; the world’s top producers include Chile, Japan, China, Russia, and Azerbaijan. Iodine Safety Data Sheet according to Federal Register / Vol. NFPA 6. For example, the standard state of carbon, oxygen, sulphur, mercury, bromine, and iodine are: C (graphite), O 2 (g), S 8 (rhombic), Br 2 (l) and I 2 (s) respectively. Iodine - Iodine - Production and use: Iodine is produced commercially from iodine-containing brines. The state elements are in at 1 atm and 25 C Learn with flashcards, games, and more — for free. The detection limit was 0.05 ppm (19) While this testing does not signify NIOSH approval of the cartridge, it can be used to ascertain that personnel will receive certain protection from iodine during sampling activities at a clandestine laboratory, provided the exposures are below the IDLH of 2 ppm. It is defined as being the charge that an atom would have if all bonds were ionic. Although it is less reactive than the elements above it in group 17 (fluorine, chlorine and bromine) it still forms compounds with many other elements. Deduce a balanced equation for the overall reaction when the standard nickel and iodine half-cells are connected. Median urinary iodine concentrations of 100–199 mcg/L in children and adults, 150–249 mcg/L in pregnant women and >100 mcg/L in lactating women indicate iodine intakes are adequate [ 3 ]. State and explain: Question number: 7: Adapted from: N/A Question. Iodine: Atomic Weight: 126.90447: Group Number: 17: Group Name: Halogen: Period Number: 5: Block: p-block: Ground State Configuration: [Kr] 4d10 5s2 5p5: Ground State Level: 2Po3/2: Standard State: Solid: Common Valences: 1,3,5,7: Bond Length: 266.6: Atomic Radius Empirical: 140: Atomic Radius Calculated: 115: Covalent Radius Empirical: 133: Vander Waals Radius: 198: Electron Affinity: 295.2 [1] a. (iii) Standard state of elements refers to the pure element in its most stable form at 298 K and 100 kPa pressure. 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