Dubnium (new) - Periodic Table of Videos
At the 5:46 mark the professor mentions the 'relativistic effects of electrons' which surprised me because I wouldn't think the size of the atom would have any such effect, and maybe it doesn't. I should check up on this, but right now I need a cup of coffee.
Dubnium has show up here once before.
I can remember when this stuff was called unnilpentium.
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