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Erbium
Erbium

Niobium
Niobium



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Periodic Table van Erbium en Niobium

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Group Number

periode Aantal

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element Family

CAS-nummer

Space Group Name

Space Group Number

 
Er
3
6
f block
lanthanide
7440520
P63 / mmc
194,00
 
Nb
5
5
d block
Transition Metal
7440031
Im_ 3m
229,00