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Information valid for Uub-277 unless otherwise noted

Basic Information

Symbol: Uub
Atomic Number: 112
Mass: (277.0)
Melting Point: Unknown
Boiling Point: Unknown
Number of Protons/Electrons: 112
Number of Neutrons: 165
Classification: Transition Metal
Crystal Structure: Unknown
Density @ 293 K: Unknown
Color: Unknown
More information about the naming of the heavy elements is available

Atomic Structure

[Bohr Model of Ununbium]
Number of Energy Levels: 7

  1. First Energy Level: 2
    Second Energy Level: 8
    Third Energy Level: 18
    Fourth Energy Level: 32
    Fifth Energy Level: 32
    Sixth Energy Level: 18
    Seventh Energy Level: 2


Isotope Half Life
Uub-277 280.0 milliseconds


Date of Discovery: 1996
Discoverer: S. Hofmann, V. Ninov, F. P. Hessbuger
Name Origin: Un (one) un (one) bi (two) um
Uses: No uses known
Obtained From: Fusion of zinc and lead

Related Links

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  1. Press Release for the discovery of this element