Dubnium - Periodic Table of Videos
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The team at periodicvideos has created a TED-Ed Lesson for every element of the periodic table. Dubnium seems to be an element no-one knows much about.
The Joint Institute for Nuclear Research in Dubna named element 105 nielsbohrium (Ns), after Niels Bohr, but the University of California (Berkeley, USA) named it hahnium (Ha), after Otto Hahn. In 1997, IUPAC accepted the named dubnium, after Dubna.
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