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Known Properties | |||||
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Name, Symbol, Number | Ununquadium, Uuq, 114 | ||||
Chemical series | Presumably true metals | ||||
Group, Period, Block | 14, 7 , p | ||||
Appearance | Unknown, probably a metallic and silvery white or grey colour | ||||
Atomic weight | [289] amu | ||||
Supposed half-life | 30 seconds | ||||
Electron configuration | [Rn] 5f14 6d10 7s27p2 (a guess based upon radon) | ||||
e- 's per energy level | 2, 8, 18, 32, 32, 18, 4 | ||||
State of matter | presumably a solid | ||||
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. Their discovery of the element still waits confirmation.