Elemental Cartogram (n.):
A periodic table of elements where the area of each element is determined by a theme.
Edit the size of the elements in this spreadsheet.
The cartogram will be emailed to you.

Gallery of some interesting cartograms
How the program works
Where are the elements underneath?
They are the yellow ones.  They belong there.

The source code is available.

Babak Sanii, assistant professor of Chemistry, Keck Science Department, Claremont McKenna, Pitzer and Scripps Colleges