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However, theInternational Union of Pure and Applied Chemistry panel members in 1977 recommended thatelement 105 be named to Dubnium (symbol Db) after the site of the Joint Institute forNuclear Research in Russia. Unfortunately, the name hahnium will not be used againaccording to the rules for naming new elements.
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www.physlink.com/Reference/ChemicalElements/dubnium.cfm
www.physlink.com/Reference/ChemicalElements/dubnium.cfm
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Dubnium - Wikipedia, the free encyclopedia
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Dubnium (pronounced /ˈduːbniəm/ , DOOB -nee-əm ) is a chemical element with the symbol Db and atomic number 105. This is a radioactive synthetic element whose most stable isotope is ...
en.wikipedia.org/wiki/Dubnium
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Rutherfordium - Wikipedia, the free encyclopedia
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Rutherfordium (pronounced /ˌrʌðərˈfɔrdiəm/ ) is a chemical element in the periodic table that has the symbol Rf and atomic number 104. This is a radioactive synthetic element whose most stabl...
en.wikipedia.org/wiki/Rutherfordium
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In recommending that element-105 be named dubnium, IUPAC has cast the name hahnium into oblivion. This is avoid greater confusion because an element name that has been widely used in the literature should not be reassigned to a different element.
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nobel.scas.bcit.ca/resource/ptable/db.htm
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Dubnium was then used for element 105. The name and symbol Rutherfordium (Rf) was ratified by the International Union of Pure and Applied Chemistry (IUPAC) Council meeting in Geneva during August 1997 (see "Naming the transfermium elements" on the Mendelevium page).
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www.vanderkrogt.net/elements/elem/rf.html
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The data used matches the data on a printed periodic table used for the course. Therefore it may not match data found elsewhere. ... Dubnium was used for element 104 instead of the current 105, and Rutherfordium had been used for 104 instead of 106. 108 had been (Hn) Hahnium instead of the current Hs Hassium. 105 was Joliotium.
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web.mit.edu/course/3/3.091/www3/pt/ptnotes.html
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In February, the International Union of Pure and Applied Chemistry (IUPAC) released a new roster of proposed names for the elements numbered 104 to 109: rutherfordium (104), dubnium (105), ... This information should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation,
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encyclopedia.farlex.com/dubnium
encyclopedia.farlex.com/dubnium
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This WebElements periodic table page contains Essential information for the element dubnium ... Dubnium: the essentials ... Brief description: dubnium is a synthetic element that is not present in the environment at all. It has no uses.
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www.webelements.com/dubnium/
www.webelements.com/dubnium/
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