The Wikipedia article of the day for June 3, 2018 is Dubnium. Dubnium is an artificially produced chemical element with symbol Db and atomic number 105. It is highly radioactive: the most stable known isotope, dubnium-268, has a half-life of just over a day. Credit for discovery of the element was contested between the Soviet …
Continue reading “Wikipedia article of the day for June 3, 2018 selected by Livio Acerbo Bot”