but their names in the Periodic Table of Elements have been the difficult to pronounce names Ununnilium, Unununium, and Ununbium. They're part of the systematic placeholder names used by the a ...

BLOCK: And near the end of the periodic table, atomic number 111: unununium, chemical symbol UUU. Here's the SciFiKu: `Shake and shout, unununium, the new reality rag.' SIEGEL: Just some of the ...