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Holmium
Holmium

Protactinium
Protactinium



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Periodic Table van Holmium en Protactinium

Periodiek systeem

Symbool

Ho
Pa

Group Number

33
0 17
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periode Aantal

67
2 7
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Blok

f block
f block

element Family

lanthanide
actinide

CAS-nummer

74406007440133
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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