Ununoctium

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Ununoctium
118Uuo
Rn

Uuo

(Usb)
ununseptiumununoctiumununennium
Appearance
unknown
General properties
Name, simbolo, kaiphan ununoctium, Uuo, 118
Pronunciation Plantilya:IPAc-en
Plantilya:Respell
Element category unknown
Group, period, block 187, p
Standard atomic weight [294]
Electron configuration [Rn] 5f14 6d10 7s2 7p6
(predicted)[1][2]
2, 8, 18, 32, 32, 18, 8 (predicted)
Electron shells of ununoctium (2, 8, 18, 32, 32, 18, 8 (predicted))
History
Discovery Joint Institute for Nuclear Research and Lawrence Livermore National Laboratory (2002)
Physical properties
Phase magahi (predicted)[1]
Density (near r.t.) (predicted) 13.65[3]Plantilya:Better source g·cm−3
Boiling point (extrapolated) 350±30[1] K, 80±30 °C, 170±50 °F
Critical point (extrapolated) 439[4] K, 6.8[4] MPa
Heat of fusion (extrapolated) 23.5[4] kJ·mol−1
Heat of vaporization (extrapolated) 19.4[4] kJ·mol−1
Atomic properties
Oxidation states (predicted) −1,[2] 0, +1,[5] +2[6], +4[6], +6[2]
Ionization energies 1st: (extrapolated) 839.4[2] kJ·mol−1
2nd: (extrapolated) 1450[7] kJ·mol−1
Atomic radius (predicted) 152[3]Plantilya:Better source pm
Covalent radius (predicted) 157[8] pm
Miscellanea
CAS registry number 54144-19-3[9]
Most stable isotopes
Main article: Isotopes of ununoctium
iso NA half-life DM DE (MeV) DP
294Uuo[10] syn ~0.89 ms α 11.65 ± 0.06 290Lv
SF
t  h  u
· r

Ang ununoctium mao ang elementong kimiko sa talaang peryodiko nga may simbolo nga Uuo ug kaiphan nga atomik 118. Ang ununoctium mao ang kapos sa datos.

Ang mga gi basihan niini[usba | edit source]

  1. 1.0 1.1 1.2 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. PMID 16833687. 
  2. 2.0 2.1 2.2 2.3 Haire, Richard G. (2006). "Transactinides and the future elements". in Morss; Edelstein, Norman M.; Fuger, Jean. The Chemistry of the Actinide and Transactinide Elements (3rd ed.). Dordrecht, The Netherlands: Springer Science+Business Media. p. 1724. ISBN 1-4020-3555-1. 
  3. 3.0 3.1 Plantilya:Citeweb Plantilya:Dead link
  4. 4.0 4.1 4.2 4.3 Eichler, R.; Eichler, B., Thermochemical Properties of the Elements Rn, 112, 114, and 118, Paul Scherrer Institut, http://lch.web.psi.ch/files/anrep03/06.pdf, gikuha sa 23 Oktubre 2010 
  5. Han, Young-Kyu; Bae, Cheolbeom; Son, Sang-Kil; Lee, Yoon Sup (2000). "Spin–orbit effects on the transactinide p-block element monohydrides MH (M=element 113–118)". Journal of Chemical Physics 112 (6): 2684. doi:10.1063/1.480842. Bibcode2000JChPh.112.2684H. 
  6. 6.0 6.1 Plantilya:Citebook
  7. Plantilya:Citebook
  8. Chemical Data. Ununoctium - Uuo, Royal Chemical Society
  9. Plantilya:Citeweb
  10. Plantilya:Citejournal


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