Neptunium

Produced artificially by nuclear reaction between uranium and neutrons.


Symbol
Np

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Atomic number 93 Clip
Atomic / Molecular Weight 237.0482 gmol-1Clip
Density 20450 kgm-3Clip
Lattice constant 666 fmClip
Melting Point 913 KClip
Boiling Point 4173 KClip
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See also: Periodic Table, Plutonium.

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Subjects: Chemistry