Ununtrium

Ununtrium is the temporary name of a chemical element with the temporary symbol Uut and atomic number 113. It is an extremely radioactive synthetic element (an element that can be created in a laboratory but is not found in nature); its most stable known isotope, ununtrium-286, has a half-life of 20 seconds. It is also known as eka-thallium or sim...
Found on http://en.wikipedia.org/wiki/Ununtrium

ununtrium

Uut noun a radioactive transuranic element
Found on https://www.encyclo.co.uk/local/20974

ununtrium

ununtrium, artificially produced radioactive chemical element; symbol Uut; at. no. 113; mass number of most stable isotope 284; m.p., b.p., sp. gr., and valence unknown. Situated in Group 13 of the periodic table, it is expected to have properties similar to those of thallium and indium.In a 27-day ...
Found on http://www.infoplease.com/ce6/sci/A0930653.html
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