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Uuu - Unununium

Unununium

 Unununium 
Uuu
Atomic Number: 111
Atomic Weight: -272.0
Element Type: Transition Metal
Crystal Structure:
Melting Point: °C = °F = K
Boiling Point: °C = °F = K
Critical Temp: °C = °F = K
Atomic Radius: Å (Å = Angstrom = 10-10 m)
Covalent Radius: Å
Electronegativity:

History

Discovered by Gesellschaft Schwerionenforschung (GSI) in Darmstadt, in 1994. Reasearchgroup of S. Hofmann, V. Ninov, F.P. Hessberger, P. Armbruster, H. Folger, G. Munzenberg,H.J. Schott, and others.


Sources


Science Quote

'Our loyalties are to the species and the planet. We speak for Earth. Our obligation to survive is owed not just to ourselves but also to that Cosmos, ancient and vast, from which we spring.'

Carl Sagan
(1934-1996)


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