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Niobium
Niobium

Thorium
Thorium



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Niobium
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Thorium

Periodic Table van Niobium en Thorium

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Periodiek systeem

Symbool

Nb
Th

Group Number

50
0 17
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periode Aantal

57
2 7
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Blok

d block
f block

element Family

Transition Metal
actinide

CAS-nummer

74400317440326
7429905 54386242
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Space Group Name

Im_ 3m
P63 / mmc

Space Group Number

229,00194,00
11 276
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