Wolfram Demonstrations Projecthttp://demonstrations.wolfram.com/An Open Resource of Interactive Mathematica VisualizationsCopyright 2009 Wolfram Demonstrations Project & ContributorsCurve Fitting to Find Missing Elements in Mendeleev's Periodic Tablehttp://demonstrations.wolfram.com/CurveFittingToFindMissingElementsInMendeleevsPeriodicTable/]]>http://demonstrations.wolfram.com/CurveFittingToFindMissingElementsInMendeleevsPeriodicTable/