Properties
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More Info
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Isotopes
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Spectra
Compounds
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Reactions
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Production
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Video
Atomic:
M.A.C.
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Reference
Diagrams:
Shell
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Atomic Radius
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Electron
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Images
Neptunium Compounds
Neptunium is a highly radioactive metal. No useful or commercial neptunium compounds exist.
Neptunium-based superconductor
Neptunium-based superconductor
NpPd
5
Al
2
The first neptunium-based superconductor, discovered in Japan in 2007.