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Chromium
Chromium

Protactinium
Protactinium



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Protactinium

Periodic Table van Chromium en Protactinium

Periodiek systeem

Symbool

Cr
Pa

Group Number

63
0 17
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periode Aantal

47
2 7
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Blok

d block
f block

element Family

Transition Metal
actinide

CAS-nummer

74404737440133
7429905 54386242
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Space Group Name

Im_ 3m
I4 / mmm

Space Group Number

229,00139,00
11 276
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