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Hafnium
Hafnium

Protactinium
Protactinium



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Periodic Table van Hafnium en Protactinium

Periodiek systeem

Symbool

Hf
Pa

Group Number

43
0 17
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periode Aantal

67
2 7
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Blok

d block
f block

element Family

Transition Metal
actinide

CAS-nummer

74405867440133
7429905 54386242
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Space Group Name

P63 / mmc
I4 / mmm

Space Group Number

194,00139,00
11 276
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