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For all the basics about dubnium, check out the Visual Elements Periodic Table.
For amazing photos and facts about dubnium, check out The Elements by Theodore Gray.
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.