Neptunium

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en: Neptunium   –   de: Neptunium   –   fr: Neptunium   –   ja: ネプツニウム   –   ru: Нептуний
Np-TableImage.png
Position in the periodic table
symbol: Np
atomic number: 93
chemical series: actinides
Electron shell 093 Neptunium.svg
sample
electron shell