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Hafnium
Hafnium

Radium
Radium



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Hafnium
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Radium

Periodic Table van Hafnium en Radium

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Periodiek systeem

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Hf
Ra

Group Number

42
0 17
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periode Aantal

67
2 7
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Blok

d block
s block

element Family

Transition Metal
aardalkali-

CAS-nummer

74405867440144
7429905 54386242
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Space Group Name

P63 / mmc
Im_ 3m

Space Group Number

194,00229,00
11 276
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