آستاتين

د ويکيپېډيا، وړیا پوهنغونډ له خوا
(له Astatine نه مخ گرځېدلی)
و اصلی برخی ته ورشی د پلټنې ځای ته ورټوپ کړی
Astatine,  85At
عمومي خواص
Pronunciation /ˈæstətn/ or /ˈæstətɪn/
AS-tə-teen or AS-tə-tin
Appearance unknown, probably metallic
Astatine په دوراني جدول کې
Hydrogen (diatomic nonmetal)
Helium (noble gas)
Lithium (alkali metal)
Beryllium (alkaline earth metal)
Boron (metalloid)
Carbon (polyatomic nonmetal)
Nitrogen (diatomic nonmetal)
Oxygen (diatomic nonmetal)
Fluorine (diatomic nonmetal)
Neon (noble gas)
Sodium (alkali metal)
Magnesium (alkaline earth metal)
Aluminium (post-transition metal)
Silicon (metalloid)
Phosphorus (polyatomic nonmetal)
Sulfur (polyatomic nonmetal)
Chlorine (diatomic nonmetal)
Argon (noble gas)
Potassium (alkali metal)
Calcium (alkaline earth metal)
Scandium (transition metal)
Titanium (transition metal)
Vanadium (transition metal)
Chromium (transition metal)
Manganese (transition metal)
Iron (transition metal)
Cobalt (transition metal)
Nickel (transition metal)
Copper (transition metal)
Zinc (transition metal)
Gallium (post-transition metal)
Germanium (metalloid)
Arsenic (metalloid)
Selenium (polyatomic nonmetal)
Bromine (diatomic nonmetal)
Krypton (noble gas)
Rubidium (alkali metal)
Strontium (alkaline earth metal)
Yttrium (transition metal)
Zirconium (transition metal)
Niobium (transition metal)
Molybdenum (transition metal)
Technetium (transition metal)
Ruthenium (transition metal)
Rhodium (transition metal)
Palladium (transition metal)
Silver (transition metal)
Cadmium (transition metal)
Indium (post-transition metal)
Tin (post-transition metal)
Antimony (metalloid)
Tellurium (metalloid)
Iodine (diatomic nonmetal)
Xenon (noble gas)
Caesium (alkali metal)
Barium (alkaline earth metal)
Lanthanum (lanthanide)
Cerium (lanthanide)
Praseodymium (lanthanide)
Neodymium (lanthanide)
Promethium (lanthanide)
Samarium (lanthanide)
Europium (lanthanide)
Gadolinium (lanthanide)
Terbium (lanthanide)
Dysprosium (lanthanide)
Holmium (lanthanide)
Erbium (lanthanide)
Thulium (lanthanide)
Ytterbium (lanthanide)
Lutetium (lanthanide)
Hafnium (transition metal)
Tantalum (transition metal)
Tungsten (transition metal)
Rhenium (transition metal)
Osmium (transition metal)
Iridium (transition metal)
Platinum (transition metal)
Gold (transition metal)
Mercury (transition metal)
Thallium (post-transition metal)
Lead (post-transition metal)
Bismuth (post-transition metal)
Polonium (post-transition metal)
Astatine (metalloid)
Radon (noble gas)
Francium (alkali metal)
Radium (alkaline earth metal)
Actinium (actinide)
Thorium (actinide)
Protactinium (actinide)
Uranium (actinide)
Neptunium (actinide)
Plutonium (actinide)
Americium (actinide)
Curium (actinide)
Berkelium (actinide)
Californium (actinide)
Einsteinium (actinide)
Fermium (actinide)
Mendelevium (actinide)
Nobelium (actinide)
Lawrencium (actinide)
Rutherfordium (transition metal)
Dubnium (transition metal)
Seaborgium (transition metal)
Bohrium (transition metal)
Hassium (transition metal)
Meitnerium (unknown chemical properties)
Darmstadtium (unknown chemical properties)
Roentgenium (unknown chemical properties)
Copernicium (transition metal)
Nihonium (unknown chemical properties)
Flerovium (unknown chemical properties)
Moscovium (unknown chemical properties)
Livermorium (unknown chemical properties)
Tennessine (unknown chemical properties)
Oganesson (unknown chemical properties)
 I 

At

Ts
poloniumastatineradon
اټومي شمیره (Z) 85
گروپ, پیریود group 17 (halogens), period 6
بلاک p-block
Element category   metalloid, sometimes classified as a nonmetal, or a metal[۱][۲]
Mass number 210 (most stable isotope)
Electron configuration [Xe] 4f14 5d10 6s2 6p5
Electrons per shell
2, 8, 18, 32, 18, 7
فزیکي خواص
حالت (at STP) جامد
دويلې کيدو ټکى 575 K ​(302 °C, ​576 °F)
يشنا ټکی 610 K ​(337 °C, ​639 °F)
Density near r.t. (At2) 6.35±0.15 g/cm3 (predicted)[۳]
Molar volume (At2) 32.94 cm3/mol (predicted)[۳]
Heat of vaporization (At2) 54.39 kJ/mol[۴]
Vapor pressure
P (Pa) 1 10 100 1 k 10 k 100 k
at T (K) 361 392 429 475 531 607
اټومي خواص
Oxidation states −1, +1, +3, +5, +7[۵]
Electronegativity Pauling scale: 2.2
Ionization energies
  • 1st: 899.003 kJ/mol[۶]
Covalent radius 150 pm
Van der Waals radius 202 pm
Miscellanea
Crystal structureface-centered cubic (fcc)
Face-centered cubic crystal structure for astatine

(predicted)[۲]
د تودوخې تېرېدنه 1.7 W/(m·K)
CAS Number 7440-68-8
History
Naming after Greek astatos (αστατος), meaning "unstable"
Discovery Dale R. Corson, Kenneth Ross MacKenzie, Emilio Segrè (1940)
Main isotopes of astatine
آيسو­ټوپ Abun­dance نیم ژوند (t1/2) Decay mode Pro­duct

کينډۍ:Infobox element/isotopes decay2 کينډۍ:Infobox element/isotopes decay2 کينډۍ:Infobox element/isotopes decay2

| references | in Wikidata

آستاتين (په انگرېزي: Astatine) له کیمیاوي عناصرو څخه یو دی چې په تناوبي جدول کې د At سمبول او ۸۵ اتمي شمېرې په وسیله ښودل شوی دی.

مشخصات[سمول]

تاریخچه[سمول]

مرکبات[سمول]

د استعمال ځایونه[سمول]

سرچينې[سمول]

  1. Corson، MacKenzie او Segrè 1940.
  2. ۲٫۰ ۲٫۱ Hermann, A.; Hoffmann, R.; Ashcroft, N. W. (2013). [اصطلاحي تېروتنه: د ناپېژندلې ليکنښې لوښه "۱". "Condensed Astatine: Monatomic and Metallic"]. Physical Review Letters 111 (11): 116404-1–116404-5. doi:10.1103/PhysRevLett.111.116404. PMID 24074111. Bibcode2013PhRvL.111k6404H. 
  3. ۳٫۰ ۳٫۱ Bonchev, D.; Kamenska, V. (1981). "Predicting the Properties of the 113–120 Transactinide Elements". The Journal of Physical Chemistry (ACS Publications) 85 (9): 1177–86. doi:10.1021/j150609a021. http://pubs.acs.org/doi/abs/10.1021/j150609a021. Retrieved 6 May 2013. 
  4. Glushko, V. P.; Medvedev, V. A.; Bergma, G. A. (1966) (in Russian). [اصطلاحي تېروتنه: د ناپېژندلې ليکنښې لوښه "۱". Termicheskie Konstanty Veshchestv]. 1. Nakua. 
  5. Greenwood او Earnshaw 2002، ص. 28.
  6. Rothe, S.; Andreyev, A. N.; Antalic, S.; Borschevsky, A.; Capponi, L.; Cocolios, T. E.; De Witte, H.; Eliav, E. et al. (2013). "Measurement of the First Ionization Potential of Astatine by Laser Ionization Spectroscopy". Nature Communications 4: 1–6. doi:10.1038/ncomms2819. PMID 23673620. PMC 3674244. http://www.researchgate.net/publication/236836716_Measurement_of_the_first_ionization_potential_of_astatine_by_laser_ionization_spectroscopy. 

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