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Chromium
Chromium

Roentgenium
Roentgenium



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Periodic Table van Chromium en Roentgenium

Periodiek systeem

Symbool

Group Number

periode Aantal

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element Family

CAS-nummer

Space Group Name

Space Group Number

 
Cr
6
4
d block
Transition Metal
7440473
Im_ 3m
229,00
 
Rg
11
7
d block
-
54386242
-
194,00