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Unununium
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| Atomic Number: |
111 |
| Atomic Weight: |
-272.0 |
| Element Type: |
Transition Metal |
| Crystal Structure: |
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| 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: |
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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
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