Oganesson,  ₁₁₈Og

عمومي خواص
Pronunciation	/ɒɡəˈnɛsɒn/ o-gə-NES-on
Oganesson په دوراني جدول کې
Rn ↑ Og ↓ (Usb) tennessine ← oganesson → ununennium ‍
اټومي شمیره (Z)	118
گروپ, پیریود	group 18, period 7
بلاک	p-block
Element category	unknown, but probably a noble gas
Mass number	294 (most stable isotope)
Electron configuration	[Rn] 5f14 6d10 7s2 7p6 (predicted)[۱][۲]
Electrons per shell	2, 8, 18, 32, 32, 18, 8 (predicted)
فزیکي خواص
حالت (at STP)	جامد (predicted)[۱]
يشنا ټکی	350±30 K ​(80±30 °C, ​170±50 °F) (extrapolated)[۱]
Density when liquid, at m.p.	4.9–5.1 g/cm3 (predicted)[۳]
Critical point	439 K, 6.8 MPa (extrapolated)[۴]
Heat of fusion	23.5 kJ/mol (extrapolated)[۴]
Heat of vaporization	19.4 kJ/mol (extrapolated)[۴]
اټومي خواص
Oxidation states	−1,[۲] 0, +1,[۵] +2,[۶] +4,[۶] +6[۲] ​(predicted)
Ionization energies	1st: 839.4 kJ/mol (predicted)[۲] 2nd: 1563.1 kJ/mol (predicted)[۷]
Covalent radius	157 pm (predicted)[۸]
Miscellanea
Crystal structure	​face-centered cubic (fcc) (extrapolated)[۹]
CAS Number	54144-19-3
History
Naming	after Yuri Oganessian
Prediction	Niels Bohr (1922)
Discovery	Joint Institute for Nuclear Research and Lawrence Livermore National Laboratory (2006)
Main isotopes of oganesson
آيسو­ټوپ Abun­dance نیم ژوند (t1/2) Decay mode Pro­duct کينډۍ:Infobox element/isotopes decay2
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اوگانسون (په انگرېزي: Oganesson) له کیمیاوي عناصرو څخه یو دی چې په تناوبي جدول کې د Og سمبول او ۱۱۸ اتمي شمېرې په وسیله ښودل شوی دی.

1. ↑ ^{۱٫۰ ۱٫۱ ۱٫۲} Lua error in Module:Citation/CS1/dates at line 14: assign to undeclared variable 'match_tab'.
2. ↑ ^{۲٫۰ ۲٫۱ ۲٫۲ ۲٫۳} Lua error in Module:Citation/CS1/dates at line 14: assign to undeclared variable 'match_tab'.
3. ↑ Lua error in Module:Citation/CS1/dates at line 14: assign to undeclared variable 'match_tab'.
4. ↑ ^{۴٫۰ ۴٫۱ ۴٫۲} Lua error in Module:Citation/CS1/dates at line 14: assign to undeclared variable 'match_tab'.
5. ↑ Lua error in Module:Citation/CS1/dates at line 14: assign to undeclared variable 'match_tab'.
6. ↑ ^{۶٫۰ ۶٫۱} کينډۍ:Citebook
7. ↑ Lua error in Module:Citation/CS1/dates at line 14: assign to undeclared variable 'match_tab'.
8. ↑ Chemical Data. Ununoctium - Uuo, Royal Chemical Society
9. ↑ Lua error in Module:Citation/CS1/dates at line 14: assign to undeclared variable 'match_tab'.