Sources and Links

Spectrum Laboratories Chemical Fact Sheet - Neptunium

Los Alamos Chemistry Division - Neptunium

Microsoft Encarta - Neptunium

Encyclopedia.com - Neptunium

ChemGlobe - Neptunium

WebElements.com - a great periodic table

Electronic Properties of Neptunium - WebElements.com

Chemical Elements.com - Neptunium

EnvironmentalChemistry.com - Neptunium

CRC - Handbook of Chemistry & Physics

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