کينډۍ:Infobox roentgenium

د ويکيپېډيا، وړیا پوهنغونډ له خوا
و اصلی برخی ته ورشی د پلټنې ځای ته ورټوپ کړی
Roentgenium,  111Rg
عمومي خواص
Pronunciation /rʌntˈɡɛniəm/ or /rɛntˈɡɛniəm/
runt-GEN-ee-əm or rent-GEN-ee-əm
Appearance silvery (predicted)[۱]
Roentgenium 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)
Au

Rg

(Uhp)
darmstadtiumroentgeniumcopernicium
اټومي شمیره (Z) 111
گروپ, پیریود group 11, period 7
بلاک d-block
Element category unknown, but probably a transition metal
Mass number 282
(unconfirmed: 286) (most stable isotope)
Electron configuration [Rn] 5f14 6d9 7s2 (predicted)[۱][۲]
Electrons per shell
2, 8, 18, 32, 32, 17, 2 (predicted)
فزیکي خواص
حالت (at STP) جامد (predicted)[۳]
Density near r.t. 28.7 g/cm3 (predicted)[۲]
اټومي خواص
Oxidation states 5, 3, 1, −1(predicted)[۲][۴]
Ionization energies
  • 1st: 1022.7 kJ/mol
  • 2nd: 2074.4 kJ/mol
  • 3rd: 3077.9 kJ/mol
  • (more) (all estimated)[۲]
Atomic radius empirical: 138 pm (predicted)[۲][۴]
Covalent radius 121 pm (estimated)[۵]
Miscellanea
Crystal structurebody-centered cubic (bcc)
Body-centered cubic crystal structure for roentgenium

(predicted)[۳]
CAS Number 54386-24-2
History
Naming after Wilhelm Röntgen
Discovery Gesellschaft für Schwerionenforschung (1994)
Main isotopes of roentgenium
آيسو­ټوپ Abun­dance نیم ژوند (t1/2) Decay mode Pro­duct
286Rg[۶] syn 640 s? α 282Mt
282Rg[۷] syn 2 min α 278Mt

کينډۍ:Infobox element/isotopes decay2

280Rg syn 4 s α 276Mt
279Rg syn 0.1 s α 275Mt
| references | in Wikidata

Element navigation

roentgeniumPT
Ds ←
 
→ Cn

سرچينې

  1. ۱٫۰ ۱٫۱ Turler, A. (2004). "Gas Phase Chemistry of Superheavy Elements". Journal of Nuclear and Radiochemical Sciences 5 (2): R19–R25. http://wwwsoc.nii.ac.jp/jnrs/paper/JN52/j052Turler.pdf. 
  2. ۲٫۰ ۲٫۱ ۲٫۲ ۲٫۳ ۲٫۴ Hoffman, Darleane C.; Lee, Diana M.; Pershina, Valeria (2006). [اصطلاحي تېروتنه: د ناپېژندلې ليکنښې لوښه "۱". "Transactinides and the future elements"]. In Morss; Edelstein, Norman M.; Fuger, Jean. The Chemistry of the Actinide and Transactinide Elements (3rd ed.). Dordrecht, The Netherlands: Springer Science+Business Media. ISBN 1-4020-3555-1. 
  3. ۳٫۰ ۳٫۱ Östlin, A.; Vitos, L. (2011). [اصطلاحي تېروتنه: د ناپېژندلې ليکنښې لوښه "۱". "First-principles calculation of the structural stability of 6d transition metals"]. Physical Review B 84 (11). doi:10.1103/PhysRevB.84.113104. Bibcode2011PhRvB..84k3104O. 
  4. ۴٫۰ ۴٫۱ Fricke, Burkhard (1975). "Superheavy elements: a prediction of their chemical and physical properties". Recent Impact of Physics on Inorganic Chemistry 21: 89–144. doi:10.1007/BFb0116498. http://www.researchgate.net/publication/225672062_Superheavy_elements_a_prediction_of_their_chemical_and_physical_properties. Retrieved 4 October 2013. 
  5. Chemical Data. Roentgenium - Rg, Royal Chemical Society
  6. Hofmann, S.; Heinz, S.; Mann, R.; Maurer, J.; Münzenberg, G.; Antalic, S.; Barth, W.; Burkhard, H. G. et al. (2016). [اصطلاحي تېروتنه: د ناپېژندلې ليکنښې لوښه "۱". "Review of even element super-heavy nuclei and search for element 120"]. The European Physics Journal A 2016 (52). doi:10.1140/epja/i2016-16180-4. 
  7. Khuyagbaatar, J.اصطلاحي تېروتنه: ناپېژندل شوې ټکي "etal". (2014). "48Ca+249Bk Fusion Reaction Leading to Element Z=117: Long-Lived α-Decaying 270Db and Discovery of 266Lr". Physical Review Letters 112 (17): 172501. doi:10.1103/PhysRevLett.112.172501. PMID 24836239. http://journals.aps.org/prl/abstract/10.1103/PhysRevLett.112.172501. 
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