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Promethium
Promethium

Chromium
Chromium



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Promethium
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Chromium

Periodic Table van Promethium en Chromium

Periodiek systeem

Symbool

Pm
Cr

Group Number

36
0 17
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periode Aantal

64
2 7
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Blok

f block
d block

element Family

lanthanide
Transition Metal

CAS-nummer

74401227440473
7429905 54386242
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Space Group Name

-
Im_ 3m

Space Group Number

194,00229,00
11 276
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