Dubnium
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Dubnium (Db) is a radioactive metal that has the atomic number 105 in the periodic table, its appearance is not fully known due to the minuscule amounts produced of it. It is a Transition metal in Group 5. It has the symbol Db.
Dubnium is a synthetic element created in laboratories. It has a short half life of 28 hours which makes its research very difficult. It does not occur in the earth’s crust naturally. It’s discovery was claimed by both the Russian institute for nuclear research and America Lawrence Berkeley Laboratory in 1970. the dispute was resolved in 1993 by IUPAC that credited its discovery to Dubna. The name Dubnium is drawn from the name of the research town. As so little of it has been created the melting and boiling point have not been analysed.
FAQ's
A. Ghiorso, et al
1970
Uses
It has no significant commercial applications.
Sources
Made by bombarding californium-249 with a beam of nitrogen-15
About the author
Nathan M
Nathan has a degree in BSc Biomedical Chemistry at Warwick University and a degree in PGCE Science at Wolverhampton University, UK. Nathan's subject matter ranges from general chemistry and organic chemistry. Nathan also created the curriculum on Breaking Atom in the course page.
Citation
Db
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