(Temporary Name)



Name Ununbium
Symbol Uub
Atomic Number 112
Atomic Mass 165.0 atomic mass units
Number of Protons 112
Number of Neutrons 165
Number of Electrons 112
Melting Point Unknown
Boiling Point Unknown
Density Unknown
Normal Phase Synthetic
Family Transition Metals
Period 7
Cost Unavailable



Origin of Name For the Latin words:  un (one), un (one), and bi (two), representing its element number
Date and Place of Discovery On February 9, 1996 at 10:37 p.m. at the Heavy Ion Research Laboratory in Darmstadt, Germany
Discovered by Peter Armbruster, H. Folger, F. P. Hessberger, S. Hofmann, V. Ninov,  Gottfried Münzenberg, and others
Common Compounds There are no known compounds.
Interesting facts
  • It is one of the super heavy elements
  • It may be similar to a noble gas even though its position on the table points to characteristics of mercury.
  • It was created by fusing a zinc atom with lead in a heavy ion accelerator.
Common Uses There are no known uses outside the laboratory.


Chemical Elements
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Ununbium Atomic Structure Elements by Name Elements by Number Home