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Dubnium: Difference between revisions
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|atomic weight=262 | |atomic weight=262 | ||
|series=? | |series=? | ||
|appearance= | |appearance=Unknown <br> [[image:Unknown Image for Meitnerium.png|150px]] | ||
|gpb=5, 7, d | |gpb=5, 7, d | ||
|electrons=<nowiki>[</nowiki>[[Rn]]<nowiki>]</nowiki> 5f<sup>14</sup> 6d<sup>3</sup> 7s<sup>2</sup> | |electrons=<nowiki>[</nowiki>[[Rn]]<nowiki>]</nowiki> 5f<sup>14</sup> 6d<sup>3</sup> 7s<sup>2</sup> | ||
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[[File:example.jpg|thumb|150px|left|Description]] | [[File:example.jpg|thumb|150px|left|Description]] | ||
The most stable [[isotope]] of | The most stable [[isotope]] of dubnium is 268Db. The half-life of 268Db is 29 hours, and is the longest lived [[transactinide]]. The isotopes 260Db and 261Db were first synthesized by bombarding 243-Americium and 22-[[Neon]] ions. It may also be produced by combining 249-[[Californium]] with [[nitrogen]] through Nuclear Bombardment. 260Db was reported, by a team of researchers led by Albert Ghiorso at the University of California Berkeley, to decay by the means of alpha decay. 260Db was discovered by this team to only have a half-life of 1.6 seconds. The main goal of the scientists at Berkeley was to confirm the Russian’s findings. This means that they tried using more complicated and better equipment to further prove those findings. <ref> Siebot. [http://www.infosources.org/what_is/Dubnium.html Dubnium] ''Infosources''. Web. October 6, 2013 (Date-Accessed). </ref> | ||
== Uses == | == Uses == | ||
[[File:example.jpg|thumb|150px|left|Description]] | [[File:example.jpg|thumb|150px|left|Description]] | ||
None. <ref> Kenneth Barbalace. [http://EnvironmentalChemistry.com/yogi/periodic/Db.html Periodic Table of Elements: Element Dubnium Db] ''Environmental Chemistry''. October 9, 2013. (Date-Accessed). </ref> | None. <ref> Kenneth Barbalace. [http://EnvironmentalChemistry.com/yogi/periodic/Db.html Periodic Table of Elements: Element Dubnium Db] ''Environmental Chemistry''. October 9, 2013. (Date-Accessed). </ref> | ||
