Mendeleev's Periodic Table > 115 - Ununpentium

115 - Ununpentium

Experiments resulting in the formation of element 115 (Ununpentium) were reported in February 2004 following experiments carried out between 14 July - 10 August 2003 involving scientists at Dubna (Joint Institute for Nuclear Research at the U400 cyclotron with the Dubna gas-filled recoil separator, DGFRS) in Russia in a collaboration also involving scientists at the Lawrence Livermore National Laboratory, USA. Only four nuclei were identified and the claim has not yet been ratified, but the results are now published in a reputable peer-reviewed journal.

Atomic number - 115 Density g/mL -
Atomic weight u 288 Melting point K -
Bonding radius A - Boiling point K -
Atomic radius A - Heat of vaporization kJ/mol -
Ionization Potential V - Heat of fusion kJ/mol -
Electronegativity - - Specific heat J/gK -
The oxide is unknown. Crystal are unknown.
Electron config. : [Rn].5f14.6d10.7s2.7p3

Isotopes of 115 (Ununpentium):

MASS abundancy
Halflife
Particle, Energy
Decay Product(s)
Isotopic Mass		 ?



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