"OK, 103 -- Now you're going to turn him into pure copper!"
Coughs, colds and catching up have kept us from doing more experiments. Hopefully we'll get back to it soon.
In the meantime, while searching for info on Ferrofluid and Magnetic Slime, I came across this nifty site. The Periodic Table of Comic Books links each element to its appearance on the printed page. From the University of Kentucky Department of Chemistry!