an alternative interactive periodic table that attempts to solve the flaws in conventional periodic tables by illustrating hydrogen's ambiguous relationship to the noble gases & halogens while recognizing its relationship to the alkali metals. it claims to be "the most comprehensive in its coverage of the elements and their interplay, & most efficient in enabling the user to access myriad informational categories with the click of a mouse."

see also photographic periodic table & periodic table of keyboard keys & chemical galaxy & biochemical pathways map.

[link: periodicspiral.com]