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Chromium
Chromium

Promethium
Promethium



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Chromium
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Promethium

Periodic Table van Chromium en Promethium

Periodiek systeem

Symbool

Cr
Pm

Group Number

63
0 17
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periode Aantal

46
2 7
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Blok

d block
f block

element Family

Transition Metal
lanthanide

CAS-nummer

74404737440122
7429905 54386242
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Space Group Name

Im_ 3m
-

Space Group Number

229,00194,00
11 276
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