Four new elements, as predicted

Four new elements, as predicted

IUPAC’s confirmation of four new elements, 113, 115, 117 and 118, was announced a couple of days ago with very little fanfare, and in the process, period 7 of the periodic table was completed! Of course, if you happen to follow my blog, you’ll know that...

The Spirit of the Question

My recent conversation with Eric Scerri that spawned this post, was initially provoked by his article from the previous week in Scientific American. It got me thinking about an old AP exam question from 2006, that asked about the as yet undiscovered element 119. That...