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Actinium
Actinium

Niobium
Niobium



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Periodic Table van Actinium en Niobium

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Group Number

periode Aantal

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element Family

CAS-nummer

Space Group Name

Space Group Number

 
Ac
3
7
f block
actinide
7440348
Fm_ 3m
225,00
 
Nb
5
5
d block
Transition Metal
7440031
Im_ 3m
229,00