I would have upvoted this if the title wasn't such a misleading link bait. The title "Interactive Periodic Table" is totally misplaced here.<p>This website is as "interactive" as a tool tip. You click on an element and a small box show some very limited additional information. You click on "Halogens" and everything except the halogens becomes darker. That's all there is to it.<p>Chemistry is such a great topic with so many opportunities for an interactive, playful website, but this one doesn't make any use of it.