Hassium at Chemical Elements.com 


 

Basic Information


Name: Hassium
Symbol: Hs
Atomic Number: 108
Atomic Mass: (265.0) amu
Melting Point: Unknown
Boiling Point: Unknown
Number of Protons/Electrons: 108
Number of Neutrons: 157
Classification: Transition Metal
Crystal Structure: Unknown
Density @ 293 K: Unknown
Color: Unknown
Other Names: Unniloctium (Uno), Hahnium (Hn), Hassium (Hs)


Atomic Structure

[Bohr Model of Hassium]  
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: 14
    Seventh Energy Level: 2

Isotopes

Isotope Half Life
Hs-265 2.0 milliseconds

Facts


Date of Discovery: 1984
Discoverer: Peter Armbruster, Gottfried Munzenber and others
Name Origin: from the Latin word Hassias, a German state.
Uses: No uses known
Obtained From: Man-made