105 Dubnium
105 Dubnium
103 Lawrencium104 Rutherfordium105 Dubnium106 Seaborgium107 BohriumBlankBlankBlankBlankBlankBlank023 Vanadium041 Niobium073 Tantalum105 Dubnium
Detailed Technical Data

Compare at other websites:
www.webelements.com
Los Alamos National Labs
Royal Society of Chemistry
Toxicology
Isotope information
Minerals
Translations and Etymology
Science Fiction (Main Site)
Comics
Poetry (Main Site)
Haiku (Main Site)

105.1
Sample from the Everest Element Set.
Up until the early 1990's a company in Russia sold a periodic table collection with element samples. At some point their American distributor sold off the remaining stock to a man who is now selling them on eBay. The samples (excepted gasses) weight about 0.25 grams each, and the whole set comes in a very nice wooden box with a printed periodic table in the lid.

Radioactive elements like this one are represented in this particular set by a non-radioactive dummy powder, which doesn't look anything like the real element. (In this case a sample of the pure element isn't really practical anyway since the element exists as a short-lived laboratory curiosity only.)

Amusingly, this ampule is labeled Neilsbohrium, a name for this element which was contested until 1997 when it was replaced by Dubnium as part of an international settlement involving a total of nine element names and a lot of horse trading. Here is an article about the naming controversy.

To learn more about the set you can visit my page about element collecting for a general description and information about how to buy one, or you can see photographs of all the samples from the set displayed on my website in a periodic table layout or with bigger pictures in numerical order.

Source: Rob Accurso
Contributor: Rob Accurso
Acquired: 7 February, 2003
Price: Donated
Size: 0.2"
Purity: 0%