Citizendium - a community developing a quality, comprehensive compendium of knowledge, online and free.
Click here to join and contribute
CZ thanks our previous donors. Donate here. Treasurer's Financial Report

Dubnium

From Citizendium
Jump to: navigation, search
This article is a stub and thus not approved.
Main Article
Discussion
Related Articles  [?]
Bibliography  [?]
External Links  [?]
Citable Version  [?]
Properties [?]
 
This editable Main Article is under development and subject to a disclaimer.
Dubnium
268



  Db
105
1s22s22p63s23p63d104s24p6 4d105s25p64f145d106s26p65f14 6d37s2
[ ? ] Transition metal:
Hazard:
Radioactive


Dubnium is a chemical element, having the chemical symbol Db and its atomic number (the number of protons) is 105. It has a standard atomic weight of 268 g•mol −1.

Dubnium is considered a member of the "Transition metal" class of elements. There is no reliable data as to its boiling point or melting point.