Flerovium

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Flerovium,  114Fl
General properties
Mass nummer 289 (most stable isotope)
Flerovium in the periodic cairt
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 Airn Cobalt Nickel Capper Zinc Gallium Germanium Arsenic Selenium Bromine Krypton
Rubidium Strontium Yttrium Zirconium Niobium Molybdenum Technetium Ruthenium Rhodium Palladium Siller (element) 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 Mercur (element) Thallium Leid (element) 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 Ununtrium Flerovium Ununpentium Livermorium Ununseptium Ununoctium
Pb

Fl

(Uho)
nihoniumfleroviummoscovium
Atomic nummer (Z) 114
Group group 14 (caurbon group)
Period period 7
Element category   post-transition metal
Block p-block
Electron confeeguration [Rn] 5f14 6d10 7s2 7p2 (predictit)[1]
Electrons per shell
2, 8, 18, 32, 32, 18, 4 (predictit)
Pheesical properties
Phase (at STP) solit (predictit)[1]
Meltin pynt 340 K ​(67 °C, ​160 °F) (predictit)[2]
Bylin pynt 420 K ​(147 °C, ​297 °F) (predictit)[2][3][4]
Density (near r.t.) 14 g/cm3 (predictit)[2]
Heat o vapourisation 38 kJ/mol (predictit)[2]
Atomic properties
Oxidation states 0, 1, 2, 4, 6 (predictit)[1][2][5]
Ionisation energies
  • 1st: 823.9 kJ/mol (predictit)[1]
  • 2nd: 1601.6 kJ/mol (predictit)[2]
  • 3rd: 3367.3 kJ/mol (predictit)[2]
  • (more)
Atomic radius empirical: 180 pm (predictit)[1][2]
Covalent radius 171–177 pm (extrapolatit)[3]
Miscellanea
CAS Nummer 54085-16-4
History
Namin after Flerov Laboratory of Nuclear Reactions (itself named after Georgy Flyorov)[6]
Diskivery Jynt Institute for Nuclear Research an Lawrence Livermore Naitional Laboratory (1999)
Main isotopes o flerovium
Iso­tope Abun­dance Hauf-life (t1/2) Decay mode Pro­duct
289Fl syn 2.6 s α 285Cn
289mFl ? syn 2–23 s α 285mCn ?
288Fl syn 0.8 s α 284Cn
287Fl syn 0.48 s α 283Cn
287mFl ? syn 5.5 s α 283mCn ?
286Fl syn 0.13 s 40% α 282Cn
60% SF
285Fl[7][8] syn 125 ms α 281Cn
284Fl[7][8] syn 2.5+1.8
−0.8
 ms
SF
| references | in Wikidata

Flerovium is a superheavy airtifeecial chemical element wi seembol Fl an atomic nummer 114.

References[eedit | eedit soorce]

  1. 1.0 1.1 1.2 1.3 1.4 Hoffman, Darleane C.; Lee, Diana M.; Pershina, Valeria (2006). "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. 
  2. 2.0 2.1 2.2 2.3 2.4 2.5 2.6 2.7 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. Retrieved 4 October 2013. 
  3. 3.0 3.1 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. 
  4. Seaborg, G. T. "Transuranium element". Encyclopædia Britannica. Retrieved 2010-03-16. 
  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. Retrieved 12 September 2014. 
  6. "Element 114 is Named Flerovium and Element 116 is Named Livermorium" (Press release). IUPAC. 30 Mey 2012. 
  7. 7.0 7.1 http://cyclotron.tamu.edu/she2015/assets/pdfs/presentations/Utyonkov_SHE_2015_TAMU.pdf
  8. 8.0 8.1 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). doi:10.1103/PhysRevC.92.034609. 
  9. "Flerovium and Livermorium". Periodic Table of Videos. The University of Nottingham. Retrieved 4 Juin 2012.