Plantilya:Infobox ununpentium

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Ununpentium
115Uup
Bi

Uup

(Uhe)
fleroviumununpentiumlivermorium
Appearance
unknown
General properties
Name, simbolo, kaiphan ununpentium, Uup, 115
Pronunciation Plantilya:IPAc-en
Plantilya:Respell
Element category unknown
Group, period, block 157, p
Standard atomic weight [288]
Electron configuration [Rn] 5f14 6d10 7s2 7p3
(predicted)[1]
2, 8, 18, 32, 32, 18, 5
(predicted)
Electron shells of ununpentium (2, 8, 18, 32, 32, 18, 5(predicted))
History
Discovery Joint Institute for Nuclear Research and Lawrence Livermore National Laboratory (2003)
Physical properties
Phase magahi (predicted)[1]
Density (near r.t.) 11 (predicted)[1] g·cm−3
Melting point ~700 K, ~430 °C, ~810 (predicted)[1] °F
Boiling point ~1400 K, ~1100 °C, ~2000 (predicted)[1] °F
Atomic properties
Oxidation states 1, 3 (prediction)[1]
Ionization energies 1st: 538.4 (prediction)[1] kJ·mol−1
Atomic radius 200 (predicted)[1] pm
Covalent radius 162 (estimated)[2] pm
Miscellanea
CAS registry number 54085-64-2
Most stable isotopes
Main article: Isotopes of ununpentium
iso NA half-life DM DE (MeV) DP
290Uup syn 16 ms α 9.95 286Uut
289Uup syn 169 ms α 10.31 285Uut
288Uup syn 173 ms α 10.46 284Uut
287Uup syn 32 ms α 10.59 283Uut
t  h  u
· r


References[usba | edit source]

  1. 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 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. ISBN 1-4020-3555-1. 
  2. Chemical Data. Ununpentium - Uup, Royal Chemical Society