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Promethium
Promethium

Yttrium
Yttrium



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Promethium
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Periodic Table van Promethium en Yttrium

Periodiek systeem

Symbool

Pm
Y

Group Number

33
0 17
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periode Aantal

65
2 7
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Blok

f block
d block

element Family

lanthanide
Transition Metal

CAS-nummer

74401227440655
7429905 54386242
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Space Group Name

-
P63 / mmc

Space Group Number

194,00194,00
11 276
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