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Flerovium, ₁₁₄Fl

Flerovium
Pronunciation	/fləˈroʊviəm/ (flə-ROH-vee-əm) /flɛˈroʊviəm/ (fleh-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 ↓ — nihonium ← flerovium → moscovium
Atomic number (Z)	114
Group	group 14 (carbon group)
Period	period 7
Block	p-block
Electron configuration	[Rn] 5f 6d 7s 7p (predicted)
Electrons per shell	2, 8, 18, 32, 32, 18, 4 (predicted)
Physical properties
Phase at STP	liquid (predicted)
Melting point	284 ± 50 K ​(11 ± 50 °C, ​52 ± 90 °F) (predicted)
Density (near r.t.)	11.4 ± 0.3 g/cm (predicted)
Heat of vaporization	38 kJ/mol (predicted)
Atomic properties
Oxidation states	common: (none)
Ionization energies	1st: 832.2 kJ/mol (predicted) 2nd: 1600 kJ/mol (predicted) 3rd: 3370 kJ/mol (predicted) (more)
Atomic radius	empirical: 180 pm (predicted)
Covalent radius	171–177 pm (extrapolated)
Other properties
Natural occurrence	synthetic
CAS Number	54085-16-4
History
Naming	after the Flerov Laboratory of Nuclear Reactions of the Joint Institute for Nuclear Research (itself named after Georgy Flyorov)
Discovery	Joint Institute for Nuclear Research (JINR) and Lawrence Livermore National Laboratory (LLNL) (1999)
Isotopes of flerovium v e
Main isotopes Decay Isotope abun­dance half-life (t1/2) mode pro­duct Fl synth 2.5 ms SF – α Cn Fl synth 100 ms α Cn Fl synth 105 ms α55% Cn SF45% – Fl synth 360 ms α Cn ε? Nh Fl synth 653 ms α Cn Fl synth 1.9 s α Cn Fl synth 19 s? EC Nh α Cn
Category: Flerovium view talk edit | references

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• Flerovium
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• Synthetic elements
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