Keywords: Pi donation2.JPG 2008-11-30 own work by original uploader User Chem540grp8f08 Chem540grp8f08 en Original upload log en wikipedia ftcg page en wikipedia Pi_donation2 JPG wikitable - 04 56 4 September 2010 154 × 140 4 828 bytes Materialscientist w en crop whitespace - 18 12 30 November 2008 341 × 373 6 177 bytes Chem540grp8f08 w en Electron configurations |