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Neptunium
Neptunium

Chromium
Chromium



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Periodic Table van Neptunium en Chromium

Periodiek systeem

Symbool

Group Number

periode Aantal

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element Family

CAS-nummer

Space Group Name

Space Group Number

 
Np
3
7
f block
actinide
7439998
Pnma
62,00
 
Cr
6
4
d block
Transition Metal
7440473
Im_ 3m
229,00