Michigan Topo Map - See the topo map as well as a relief map of Michigan URL: http://www.michigan-map.org/topo-map.htm
3D Poly-ions - 3D images of polyatomic ions URL: http://www.chemistry.wustl.edu/~edudev/LabTutorials/PeriodicProperties/Ions/ions.html
Polyatomic Ion List 2 - List of polyatomic ions (prints easier than the wiki) URL: http://www2.pvc.maricopa.edu/tutor/chem/chem130/nomenclature/polyatomicion.html
polyatomic charges - Wikipedia list of polyatomic ions with charges URL: http://en.wikipedia.org/wiki/Polyatomic_ion
periodic table 1 - Dynamically opens wikipedia pages for elements URL: http://www.dayah.com/periodic/
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