Wikipedia

Flerovyo

(Idinirekta mula sa Flerovium)

Ang flerovium o ununquadium[15] (pagbigkas: u•nun•kwad•yum) ay ang pansamantalang pangalan ng radioactive na elementong kemikal na may pansamantalang simbolong Uuq at atomikong bilang na 114. Minumungkahi na tawagin ang elementong ito na flerovium,[16] sunod sa Rusong siyentipikong si Georgy Flyorov (binabaybay ding Flerov).

Flerovyo, 114Fl
Flerovyo
Bigkas sa Ingles
Bilang na pangmasa[289] (unconfirmed: 290)
Flerovyo sa talahanayang peryodiko
Hydrogen Helium
Lithium Beryllium Boron Carbon Nitrogen Oxygen Fluorine Neon
Sodium Magnesium Aluminium Silicon Phosphorus Sulfur Chlorine Argon
Potassium Calcium Scandium Titanium Vanadium Chromium Manganese Iron Cobalt Nickel Copper Zinc Gallium Germanium Arsenic Selenium Bromine Krypton
Rubidium Strontium Yttrium Zirconium Niobium Molybdenum Technetium Ruthenium Rhodium Palladium Silver Cadmium Indium Tin Antimony Tellurium Iodine Xenon
Caesium Barium Lanthanum Cerium Praseodymium Neodymium Promethium Samarium Europium Gadolinium Terbium Dysprosium Holmium Erbium Thulium Ytterbium Lutetium Hafnium Tantalum Tungsten Rhenium Osmium Iridium Platinum Gold Mercury (element) Thallium Lead Bismuth Polonium Astatine Radon
Francium Radium Actinium Thorium Protactinium Uranium Neptunium Plutonium Americium Curium Berkelium Californium Einsteinium Fermium Mendelevium Nobelium Lawrencium Rutherfordium Dubnium Seaborgium Bohrium Hassium Meitnerium Darmstadtium Roentgenium Copernicium Nihonium Flerovium Moscovium Livermorium Tennessine Oganesson
Pb
↑
Fl
↓
(Uho)
nihonium ← flerovyo → moscovium
Atomikong bilang (Z)114
Pangkatpangkat 14 (grupong karbono)
Peryodoperyodo 7
Bloke  p-bloke
Konpigurasyon ng elektron[Rn] 5f14 6d10 7s2 7p2 (predicted)[3]
Mga elektron bawat kapa2, 8, 18, 32, 32, 18, 4 (predicted)
Katangiang pisikal
Pase sa STPliquid (predicted)[4]
Punto ng pagkatunaw284±50 K ​(11±50 °C, ​52±90 °F) (predicted)[4]
Densidad (malapit sa r.t.)11.4±0.3 g/cm3 (predicted)[4]
Init ng baporisasyon38 kJ/mol (predicted)Padron:Fricke1975
Katangiang atomiko
Mga estado ng oksidasyon(0), (+1), (+2), (+4), (+6) (nahulaaan)[3]Padron:Fricke1975[5]
Mga enerhiyang ionisasyon
Radyong atomikoemperiko: 180 pm (predicted)[3]Padron:Fricke1975
Radyong Kobalente171–177 pm (extrapolated)[7]
Ibang katangian
Likas na paglitawsintetiko
Bilang ng CAS54085-16-4
Kasaysayan
Pagpapangalanafter Flerov Laboratory of Nuclear Reactions (itself named after Georgy Flyorov)[8]
PagkakatuklasJoint Institute for Nuclear Research (JINR) and Lawrence Livermore National Laboratory (LLNL) (1998)
Pangunahing isotopo ng flerovyo
Iso­topo Abudansya Half-life (t1/2) Paraan ng pagkabulok Produkto
284Fl[9][10] syn 2.5 ms SF
285Fl[11] syn 0.10 s α 281Cn
286Fl syn 0.12 s 40% α 282Cn
60% SF
287Fl[12] syn 0.48 s α 283Cn
EC? 287Nh
288Fl syn 0.66 s α 284Cn
289Fl syn 1.9 s α 285Cn
290Fl[13][14] syn 19 s? EC 290Nh
α 286Cn
Kategorya Kategorya: Flerovyo

May 80 radioactive decay na ng ununquadium ang naobserbahan hanggang sa ngayon, 50 rito ang direkta at 30 mula sa pagka-decay ng mas mabigat na elementong ununhexium at ununoctium. Lahat ng pagka-decay ay itinalaga sa limang magkakalapit na isotope na may bilang ng mass na 285–289. Ang pinakamahabang nabuhay na isotope na alam sa ngayon ay 289Uuq na may kalahating-buhay na ~2.6 s, bagaman may palatandaan sa isang nuklear na isomer 289bUuq, na may kalahating-buhay na ~66 s, na ito'y isa sa may pinakamahabang nabuhay na nucleus sa rehiyon ng sobrang-bigat na elemento.

Ayon sa mga kemikal na pag-aaral na isinagawa noong 2007, ang ununquadium ay nagpapahiwatig na nagtataglay ng non-eka-lead na katangian, at mukhang ito ang unang sobrang-bigat na elemento na gumaganap ng katangiang gaya ng sa mga noble-gas dahil sa epektong relativistic.[17]

SanggunianBaguhin

  1. ↑ Flerovium and Livermorium. The Periodic Table of Videos. University of Nottingham. December 2, 2011. Nakuha noong June 4, 2012.
  2. ↑ "flerovium". Lexico UK English Dictionary UK English Dictionary UK English Dictionary. Oxford University Press. Tinago mula sa orihinal noong 2021-02-05.
  3. ↑ 3.0 3.1 3.2 Hoffman, Darleane C.; Lee, Diana M.; Pershina, Valeria (2006). "Transactinides and the future elements". Sa Morss; Edelstein, Norman M.; Fuger, Jean (mga pat.). The Chemistry of the Actinide and Transactinide Elements (ika-3rd (na) edisyon). Dordrecht, The Netherlands: Springer Science+Business Media. ISBN 978-1-4020-3555-5.
  4. ↑ 4.0 4.1 4.2 Florez, Edison; Smits, Odile R.; Mewes, Jan-Michael; Jerabek, Paul; Schwerdtfeger, Peter (2022). "From the gas phase to the solid state: The chemical bonding in the superheavy element flerovium". The Journal of Chemical Physics. 157. doi:10.1063/5.0097642.
  5. ↑ Schwerdtfeger, Peter; Seth, Michael (2002). "Relativistic Quantum Chemistry of the Superheavy Elements. Closed-Shell Element 114 as a Case Study" (PDF). Journal of Nuclear and Radiochemical Sciences. 3 (1): 133–136. doi:10.14494/jnrs2000.3.133. Nakuha noong 12 September 2014.
  6. ↑ Pershina, Valeria (30 November 2013). "Theoretical Chemistry of the Heaviest Elements". Sa Schädel, Matthias; Shaughnessy, Dawn (mga pat.). The Chemistry of Superheavy Elements (ika-2nd (na) edisyon). Springer Science & Business Media. pa. 154. ISBN 9783642374661.
  7. ↑ Bonchev, Danail; Kamenska, Verginia (1981). "Predicting the Properties of the 113–120 Transactinide Elements". Journal of Physical Chemistry. American Chemical Society. 85 (9): 1177–1186. doi:10.1021/j150609a021.
  8. ↑ "Element 114 is Named Flerovium and Element 116 is Named Livermorium" (Nilabas sa press). IUPAC. 30 May 2012. Tinago mula sa orihinal noong 2 June 2012.
  9. ↑ Utyonkov, V.K. et al. (2015) Synthesis of superheavy nuclei at limits of stability: 239,240Pu + 48Ca and 249–251Cf + 48Ca reactions. Super Heavy Nuclei International Symposium, Texas A & M University, College Station TX, USA, March 31 – April 02, 2015
  10. ↑ Utyonkov, V. K.; Brewer, N. T.; Oganessian, Yu. Ts.; Rykaczewski, K. P.; Abdullin, F. Sh.; Dmitriev, S. N.; Grzywacz, R. K.; Itkis, M. G.; Miernik, K.; Polyakov, A. N.; Roberto, J. B.; Sagaidak, R. N.; Shirokovsky, I. V.; Shumeiko, M. V.; Tsyganov, Yu. S.; Voinov, A. A.; Subbotin, V. G.; Sukhov, A. M.; Sabel'nikov, A. V.; Vostokin, G. K.; Hamilton, J. H.; Stoyer, M. A.; Strauss, S. Y. (15 September 2015). "Experiments on the synthesis of superheavy nuclei 284Fl and 285Fl in the 239,240Pu + 48Ca reactions". Physical Review C. 92 (3): 034609-1–034609-10. Bibcode:2015PhRvC..92c4609U. doi:10.1103/PhysRevC.92.034609.
  11. ↑ Utyonkov, V. K.; Brewer, N. T.; Oganessian, Yu. Ts.; Rykaczewski, K. P.; Abdullin, F. Sh.; Dimitriev, S. N.; Grzywacz, R. K.; Itkis, M. G.; Miernik, K.; Polyakov, A. N.; Roberto, J. B.; Sagaidak, R. N.; Shirokovsky, I. V.; Shumeiko, M. V.; Tsyganov, Yu. S.; Voinov, A. A.; Subbotin, V. G.; Sukhov, A. M.; Karpov, A. V.; Popeko, A. G.; Sabel'nikov, A. V.; Svirikhin, A. I.; Vostokin, G. K.; Hamilton, J. H.; Kovrinzhykh, N. D.; Schlattauer, L.; Stoyer, M. A.; Gan, Z.; Huang, W. X.; Ma, L. (30 January 2018). "Neutron-deficient superheavy nuclei obtained in the 240Pu+48Ca reaction". Physical Review C. 97 (1): 014320-1–014320-10. Bibcode:2018PhRvC..97a4320U. doi:10.1103/PhysRevC.97.014320.
  12. ↑ Hofmann, S.; Heinz, S.; Mann, R.; Maurer, J.; Münzenberg, G.; Antalic, S.; Barth, W.; Burkhard, H. G.; Dahl, L.; Eberhardt, K.; Grzywacz, R.; Hamilton, J. H.; Henderson, R. A.; Kenneally, J. M.; Kindler, B.; Kojouharov, I.; Lang, R.; Lommel, B.; Miernik, K.; Miller, D.; Moody, K. J.; Morita, K.; Nishio, K.; Popeko, A. G.; Roberto, J. B.; Runke, J.; Rykaczewski, K. P.; Saro, S.; Schneidenberger, C.; Schött, H. J.; Shaughnessy, D. A.; Stoyer, M. A.; Thörle-Pospiech, P.; Tinschert, K.; Trautmann, N.; Uusitalo, J.; Yeremin, A. V. (2016). "Remarks on the Fission Barriers of SHN and Search for Element 120". Sa Peninozhkevich, Yu. E.; Sobolev, Yu. G. (mga pat.). Exotic Nuclei: EXON-2016 Proceedings of the International Symposium on Exotic Nuclei. Exotic Nuclei. pa. 155–164. ISBN 9789813226555.
  13. ↑ Hofmann, S.; Heinz, S.; Mann, R.; Maurer, J.; Münzenberg, G.; Antalic, S.; Barth, W.; Burkhard, H. G.; Dahl, L.; Eberhardt, K.; Grzywacz, R.; Hamilton, J. H.; Henderson, R. A.; Kenneally, J. M.; Kindler, B.; Kojouharov, I.; Lang, R.; Lommel, B.; Miernik, K.; Miller, D.; Moody, K. J.; Morita, K.; Nishio, K.; Popeko, A. G.; Roberto, J. B.; Runke, J.; Rykaczewski, K. P.; Saro, S.; Scheidenberger, C.; Schött, H. J.; Shaughnessy, D. A.; Stoyer, M. A.; Thörle-Popiesch, P.; Tinschert, K.; Trautmann, N.; Uusitalo, J.; Yeremin, A. V. (2016). "Review of even element super-heavy nuclei and search for element 120". The European Physics Journal A. 2016 (52): 180. Bibcode:2016EPJA...52..180H. doi:10.1140/epja/i2016-16180-4. S2CID 124362890.
  14. ↑ Kaji, Daiya; Morita, Kosuke; Morimoto, Kouji; Haba, Hiromitsu; Asai, Masato; Fujita, Kunihiro; Gan, Zaiguo; Geissel, Hans; Hasebe, Hiroo; Hofmann, Sigurd; Huang, MingHui; Komori, Yukiko; Ma, Long; Maurer, Joachim; Murakami, Masashi; Takeyama, Mirei; Tokanai, Fuyuki; Tanaka, Taiki; Wakabayashi, Yasuo; Yamaguchi, Takayuki; Yamaki, Sayaka; Yoshida, Atsushi (2017). "Study of the Reaction 48Ca + 248Cm → 296Lv* at RIKEN-GARIS". Journal of the Physical Society of Japan. 86 (3): 034201–1–7. Bibcode:2017JPSJ...86c4201K. doi:10.7566/JPSJ.86.034201.
  15. ↑ J. Chatt (1979). "Recommendations for the Naming of Elements of Atomic Numbers Greater than 100". Pure Appl. Chem. 51: 381–384. doi:10.1351/pac197951020381. (sa Ingles)
  16. ↑ Brown, Mark (June 6, 2011). "Two Ultraheavy Elements Added to Periodic Table". Wired. Nakuha noong 7 June 2011. (sa Ingles)
  17. ↑ Gas Phase Chemistry of Superheavy Elements Naka-arkibo 2012-02-20 sa Wayback Machine., lecture by Heinz W. Gäggeler, Nov. 2007. Huling inaccess noong Dis. 12, 2008. (sa Ingles)


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