Template:Infobox oganesson

Oganesson, ₁₁₈Og

Oganesson
Pronunciation	/ˌɒɡəˈnɛsɒn/ (OG-ə-NESS-on) /ˌoʊɡəˈnɛsən/ (OH-gə-NESS-ən)
Appearance	metallic (predicted)
Mass number	[294]
Oganesson 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 Rn ↑ Og ↓ — tennessine ← oganesson → ununennium
Atomic number (Z)	118
Group	group 18 (noble gases)
Period	period 7
Block	p-block
Electron configuration	[Rn] 5f14 6d10 7s2 7p6 (predicted)
Electrons per shell	2, 8, 18, 32, 32, 18, 8 (predicted)
Physical properties
Phase at STP	solid (predicted)
Melting point	325 ± 15 K ​(52 ± 15 °C, ​125 ± 27 °F) (predicted)
Boiling point	450 ± 10 K ​(177 ± 10 °C, ​350 ± 18 °F) (predicted)
Density (near r.t.)	7.2 g/cm3 (solid, 319 K, calculated)
when liquid (at m.p.)	6.6 g/cm3 (liquid, 327 K, calculated)
Atomic properties
Oxidation states	common: (none) (−1), (+1), (+2), (+4), (+6)
Ionization energies	1st: 860 kJ/mol (calculated) 2nd: 1560 kJ/mol (calculated)
Atomic radius	empirical: 152 pm (predicted)
Covalent radius	157 pm (predicted)
Other properties
Natural occurrence	synthetic
Crystal structure	​face-centered cubic (fcc) Face-centered cubic crystal structure for oganesson (extrapolated)
CAS Number	54144-19-3
History
Naming	after Yuri Oganessian
Prediction	Hans Peter Jørgen Julius Thomsen (1895)
Discovery	Joint Institute for Nuclear Research and Lawrence Livermore National Laboratory (2002)
Isotopes of oganesson
Main isotopes Decay abun­dance half-life (t1/2) mode pro­duct 294Og synth 0.7 ms α 290Lv SF –

Og · Oganesson
Ts ← ibox Ts	iso 118 Og  [] IB-Og [] IBisos []	→ Uue ibox Uue
File:Symbol category class.svg cat:Og (2) File:Symbol category class.svg cat:Og-isotopes (1) File:Commons-logo.svg Commons File:Wikidata-logo.svg Wikidata:Q1307 File:Wiktionary-logo.svg Wiktionary
indexes by PT (page)

child table, as reused in {IB-Og}
Main isotopes of oganesson
Main isotopes Decay abun­dance half-life (t1/2) mode pro­duct 294Og synth 0.7 ms α 290Lv SF –

Data sets read by {{Infobox element}}
Name and identifiers
Symbol etymology (11 non-trivial)
Top image (caption, alt)	caption: alt:
Pronunciation
Allotropes (overview)
Group (overview)
Period (overview)
Block (overview)
Natural occurrence
Phase at STP
Oxidation states
Spectral lines image
Electron configuration (cmt, ref)
Isotopes
Standard atomic weight
most stable isotope
File:Notification-icon-Wikidata-logo.svg Wikidata
Wikidata *
* Not used in {{Infobox element}} (2023-01-01) See also {{Index of data sets}} · Cat:data sets (0) · (this table: )

References

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