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Radium
Radium

Niobium
Niobium



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Niobium

Periodic Table van Radium en Niobium

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Periodiek systeem

Symbool

Ra
Nb

Group Number

25
0 17
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periode Aantal

75
2 7
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Blok

s block
d block

element Family

aardalkali-
Transition Metal

CAS-nummer

74401447440031
7429905 54386242
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Space Group Name

Im_ 3m
Im_ 3m

Space Group Number

229,00229,00
11 276
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