Template:Infobox oganesson

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[[Category:Template:Pagetype with short description]]

Ununoctium, 118Uuo
Ununoctium
AppearanceUnknown
Ununoctium in the periodic table
Template:Periodic table (32 columns, micro) Rn

Uuo

(Uho)
ununseptiumununoctiumununennium
Atomic number (Z)118
Groupgroup 18 (noble gases)
Periodperiod 7
Block
Electrons per shell2, 8, 18, 32, 32, 18, 8 (predicted)[1]
Physical properties
Phase at STP?
Boiling point(extrapolated) 320–380[1] K ​(50–110 °C, ​120–220 °F)
Density (near r.t.)(predicted) 13.65[2] g/cm3
Critical point(extrapolated) 439[3] K, 6.8[3] MPa
Heat of fusion(extrapolated) 23.5[3] kJ/mol
Heat of vaporization(extrapolated) 19.4[3] kJ/mol
Atomic properties
Oxidation statesTemplate:Infobox element/symbol-to-oxidation-state: Symbol "Uuo" not known
Atomic radiusempirical: (predicted) 152[2] pm
Covalent radius(extrapolated) 230[4] pm
Other properties
CAS Number54144-19-3[5]
Main isotopes of ununoctium
[[Isotope|IsoTemplate:Shytope]] [[Natural abundance|AbunTemplate:Shydance]] Half-life (t1/2) Decay mode [[Decay product|ProTemplate:Shyduct]]
294Uuo [6] syn ~0.89 ms α 290Uuh
Category Category: Ununoctium
| references

[[Category:Infobox templates|Template:Remove first word]]Check temperatures Uuo: no input for C, K, F.

data b.p. cat
in calc from C diff report ref
C 50
K 320 323 -3 delta
F 120 122 -2 delta Template:Subpage other
max precision -1
WD Template:Wikidata Script error: No such module "EditAtWikidata". Template:Wikidata
input C: 50–110, K: (extrapolated) 320–380[1], F: 120–220
comment

Template:Templaterefsection

  1. 1.0 1.1 1.2 1.3 Nash, Clinton S. (2005). "Atomic and Molecular Properties of Elements 112, 114, and 118". Journal of Physical Chemistry A. 109 (15): 3493–3500. doi:10.1021/jp050736o. |access-date= requires |url= (help)
  2. 2.0 2.1 "Moskowium". Apsidium. Retrieved 2008-01-18.
  3. 3.0 3.1 3.2 3.3 Eichler, R.; Eichler, B., Thermochemical Properties of the Elements Rn, 112, 114, and 118 (PDF), Paul Scherrer Institut, retrieved 2008-01-18
  4. 4.0 4.1 Seaborg, Glenn Theodore (1994). Modern Alchemy. World Scientific. p. 172. ISBN 9810214405. Retrieved 2008-01-18.
  5. "Ununoctium". WebElements Periodic Table. Retrieved 2007-12-09.
  6. Oganessian, Yu. Ts. (2006-10-09). "Synthesis of the isotopes of elements 118 and 116 in the 249Cf and 245Cm+48Ca fusion reactions". Physical Review C. 74 (4): 044602. doi:10.1103/PhysRevC.74.044602. Retrieved 2008-01-18. Unknown parameter |coauthors= ignored (|author= suggested) (help)
  7. "Ununoctium: Binary Compounds". WebElements Periodic Table. Retrieved 2008-01-18.
  8. 8.0 8.1 Kaldor, Uzi; Wilson, Stephen (2003). Theoretical Chemistry and Physics of Heavy and Superheavy Elements. Springer. p. 105. ISBN 140201371X. Retrieved 2008-01-18.