This image is a derivative work of the following images: File:Electron_shell_011_Sodium.svg licensed with Cc-by-sa-2.0-uk 2006-04-18T11:57:44Z File Upload...
DescriptionElectron shell 011 Sodium.svg English: Electron shell diagram for sodium, the 11th element in the periodic table of elements. Source File:Electron shell...
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