DescriptionElectron shell 007 Nitrogen - no label.svg English: Electron shell diagram for nitrogen, the 7th element in the periodic table of elements...
DescriptionElectron shell 007 Nitrogen.svg English: Electron shell diagram for nitrogen, the 7th element in the periodic table of elements. Source File:Electron...
DescriptionElectron shell 007 Nitrogen (diatomic nonmetal) - no label.svg English: New categorisation by diatomic/polyatomic nonmetals (as discussed on...
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