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Ununquadium

From Academic Kids

Pb

Uuq
   
 
 

ununtrium - ununquadium - ununpentium

Known properties
Name, Symbol, NumberUnunquadium, Uuq, 114
Chemical seriesPresumably poor metals
Group, Period, Block14, 7, p
AppearanceUnknown, probably a metallic
and silvery white or grey colour
Atomic weight[289] amu
Supposed half-life30 seconds
Electron configuration[Rn] 5f14 6d10 7s27p2
(a guess based upon radon)
e-s per energy level2, 8, 18, 32, 32, 18, 4
State of matterpresumably a solid

Ununquadium (eka-lead) is the temporary name of a radioactive chemical element in the periodic table that has the temporary symbol Uuq and has the atomic number 114. Ununquadium does not occur naturally.

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History

In January 1999, ununquadium was reported informally by scientists at Dubna (Joint Institute for Nuclear Research) in Russia. They apparently used isotopes that came from the Lawrence Livermore National Laboratory, USA. The same team produced another isotope of Uuq three months later. Since then, no one has seriously challenged the finding.

Ununquadium is a temporary IUPAC systematic element name. Some have termed it 'eka-lead', as its properties are conjectured to be similar to those of lead.

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