While the periodic table itself is public domain, the web application I've created is copyrighted, and Ptable™ is a legally-enforced trademark (#87536072) protected by international intellectual property law that is enforcable worldwide. Secondary reproductions in an educational context are allowed. For example, recording and annotating a ...
Periodic Table Lesson Plans. With help from the American Assocation of Chemistry Teachers and American Chemical Society, Ptable has sponsored the creation of exciting new lesson plans developed by chemistry teachers which take advantage of the site's in-depth interactivity.Using these free lesson plans, you can engage with the periodic table in ways which were previously impossible.