Template:Infobox flerovium

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Flerovium, 114Fl
Flerovium
PronunciationTemplate:IPAc-en[1] (flə-ROH-vee-əm)
Mass number[289] (unconfirmed: 290)
Flerovium in the periodic table
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)
nihoniumfleroviummoscovium
Atomic number (Z)114
Groupgroup 14 (carbon group)
Periodperiod 7
Blockp-block
Element category  Unknown chemical properties, but probably a post-transition metal; possibly a metalloid[2]
Electron configuration[Rn] 5f14 6d10 7s2 7p2 (predicted)[3]
Electrons per shell2, 8, 18, 32, 32, 18, 4 (predicted)
Physical properties
Phase at STPgas (predicted)[3]
Boiling point~ 210 K ​(~ −60 °C, ​~ −80 °F) [4][5]
Density when liquid (at m.p.)14 g/cm3 (predicted)[6]
Heat of vaporization38 kJ/mol (predicted)[6]
Atomic properties
Oxidation states(0), (+1), (+2), (+4), (+6) (predicted)[3][6][7]
Ionization energies
  • 1st: 832.2 kJ/mol (predicted)[8]
  • 2nd: 1600 kJ/mol (predicted)[6]
  • 3rd: 3370 kJ/mol (predicted)[6]
  • (more)
Atomic radiusempirical: 180 pm (predicted)[3][6]
Covalent radius171–177 pm (extrapolated)[9]
Other properties
Natural occurrencesynthetic
Crystal structureface-centered cubic (fcc)
Face-centred cubic crystal structure for flerovium

(predicted)[10]
CAS Number54085-16-4
History
Namingafter Flerov Laboratory of Nuclear Reactions (itself named after Georgy Flyorov)[11]
DiscoveryJoint Institute for Nuclear Research (JINR) and Lawrence Livermore National Laboratory (LLNL) (1999)
Main isotopes of flerovium
Iso­tope Abun­dance Half-life (t1/2) Decay mode Pro­duct
284Fl[12][13] syn 2.5 ms SF
285Fl[14] syn 0.10 s α 281Cn
286Fl syn 0.12 s 40% α 282Cn
60% SF
287Fl[15] syn 0.48 s α 283Cn
EC? 287Nh
288Fl syn 0.66 s α 284Cn
289Fl syn 1.9 s α 285Cn
290Fl[16][17] syn 19 s? EC 290Nh
α 286Cn
 Category: Flerovium
| references

Check temperatures Fl: no input for C, K, F.

Fl
in calc from C diff report ref
C −60
K 210 213 -3 delta
F −80 −76 -4 delta
max precision -1
WD Lua error in Module:EditAtWikidata at line 36: attempt to index field 'wikibase' (a nil value).
input C: ~ −60, K: ~ 210, F: ~ −80
comment [4][5]
Nh ←

i'box Nh

iso
114
Fl E
→ Mc

i'box Mc

[]  Data sets read by {{Infobox element}}
Name and identifiers
Top image (caption, alt)
Pronunciation
Category (enwiki)
Standard atomic weight
  most stable isotope
Natural occurrence
Phase at STP
Oxidation states
Spectral lines image
Electron configuration (cmt, ref)
Term symbol * (cmt, ref)
Wikidata *
* Not used in {{Infobox element}} (2019-02-03)
See also {{Infobox element/symbol-to--navbox}}

References

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  12. 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
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