Ununbium at Chemical Elements.com 


 

Basic Information


Name: Ununbium
Symbol: Uub
Atomic Number: 112
Atomic Mass: (277.0) amu
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

    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

Isotopes

Isotope Half Life
Uub-277 280.0 milliseconds

Facts


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