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Radium
Radium

Erbium
Erbium



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Erbium

Periodic Table van Radium en Erbium

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Group Number

periode Aantal

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element Family

CAS-nummer

Space Group Name

Space Group Number

 
Ra
2
7
s block
aardalkali-
7440144
Im_ 3m
229,00
 
Er
3
6
f block
lanthanide
7440520
P63 / mmc
194,00