Here are a list of informational websites about the elements in the periodic table. The last link contains videos about the elements. Happy researching!
http://www.chemicool.com/
http://www.webelements.com/
http://periodic.lanl.gov/default.htm
http://periodictable.com/
http://www.chemicalelements.com/
http://www.lenntech.com/periodic/periodic-chart.htm
http://www.periodicvideos.com/
