Flerovium, 114 General properties Pronunciation Template:Infobox element/pronunciation Standard atomic weight (A r, standard ) Template:Infobox element/standard atomic weight Mass number Template:Infobox element/symbol-to-most-stable-isotope (most stable isotope) (unconfirmed: 290)Flerovium in the periodic table Template:Infobox element/periodic table Atomic number (Z ) 114 Group Template:Infobox element/group Period period 7 Block p-block Element category Template:Infobox element/category format , but probably a post-transition metal Electron configuration [Rn ] 5f14 6d10 7s2 7p2 (predicted) [1] Electrons per shell
2, 8, 18, 32, 32, 18, 4 (predicted) Physical properties Phase at STP gas (predicted) [1] Boiling point ~ 210 K (~ −60 °C, ~ −80 °F) [2] [3] Density when liquid (at m.p. ) 14 g/cm3 (predicted) [4] [[Enthalpy of vaporization|Heat of Template:Engvar ]] 38 kJ/mol (predicted) [4] Atomic properties Oxidation states Template:Infobox element/symbol-to-oxidation-state [[Ionization energy|Template:Engvar energies]] 1st: 832.2 kJ/mol (predicted) [5] 2nd: 1600 kJ/mol (predicted) [4] 3rd: 3370 kJ/mol (predicted) [4] (more ) Atomic radius empirical: 180 pm (predicted) [1] [4] Covalent radius 171–177 pm (extrapolated) [6] Template:Infobox element/spectral lines Other properties Crystal structure Template:Infobox element/crystal structure (predicted) [7] CAS Number 54085-16-4 History Naming after Flerov Laboratory of Nuclear Reactions (itself named after Georgy Flyorov )[8] Discovery Joint Institute for Nuclear Research (JINR) and Lawrence Livermore National Laboratory (LLNL) (1999) Main isotopes of flerovium Template:Infobox element/isotopes table | references
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↑ 1.0 1.1 1.2 Cite error: Invalid <ref> tag; no text was provided for refs named Haire ↑
Oganessian, Yu. Ts. (27 January 2017). "Discovering Superheavy Elements" . Oak Ridge National Laboratory . Retrieved 21 April 2017 .
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Seaborg, G. T. "Transuranium element" . Encyclopædia Britannica . Retrieved 2010-03-16 .
↑ 4.0 4.1 4.2 4.3 4.4 Fricke, Burkhard (1975). "Superheavy elements: a prediction of their chemical and physical properties" . Recent Impact of Physics on Inorganic Chemistry . Structure and Bonding. 21 : 89–144. doi :10.1007/BFb0116498 . ISBN 978-3-540-07109-9 . Retrieved 4 October 2013 . ↑ Pershina, Valeria. "Theoretical Chemistry of the Heaviest Elements". In Schädel, Matthias; Shaughnessy, Dawn (eds.). The Chemistry of Superheavy Elements (2nd ed.). Springer Science & Business Media. p. 154. ISBN 9783642374661 ↑ 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 . ↑ Hermann, Andreas; Furthmüller, Jürgen; Gäggeler, Heinz W.; Schwerdtfeger, Peter (2010). "Spin-orbit effects in structural and electronic properties for the solid state of the group-14 elements from carbon to superheavy element 114". Physical Review B . 82 : 155116–1–8. Bibcode :2010PhRvB..82o5116H . doi :10.1103/PhysRevB.82.155116 . ↑ Template:Cite press