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Dubnium at Chemical Elements.com
Basic Information | Atomic Structure | Isotopes | Related Links | Citing This Page

Basic Information

Name: Dubnium
Symbol: Db
Atomic Number: 105
Atomic Mass: (262.0) amu
Melting Point: Unknown
Boiling Point: Unknown
Number of Protons/Electrons: 105
Number of Neutrons: 157
Classification: Transition Metal
Crystal Structure: Unknown
Density @ 293 K: Unknown
Color: Unknown
Other Names: Unnilpentium (Unp), Joliotium (Jl), Hahnium (Ha)

Atomic Structure

[Bohr Model of Dubnium]  
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: 11
    Seventh Energy Level: 2


Isotope Half Life
Db-2584.2 seconds


Date of Discovery: 1970
Discoverer: Albert Ghiorso
Name Origin: After Dubna, Russia
Uses: No uses known
Obtained From: Man-made

Related Links

I currently do not know of any links for Dubnium. If you do, please let me know

MLA Format for Citing This Page

Bentor, Yinon. Chemical Element.com - Dubnium. <http://www.chemicalelements.com/elements/db.html>.

For more information about citing online sources, please visit the MLA's Website.

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