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Praseodymium
Praseodymium

Erbium
Erbium



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Periodic Table van Praseodymium en Erbium

Periodiek systeem

Symbool

Pr
Er

Group Number

33
0 17
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periode Aantal

66
2 7
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Blok

f block
f block

element Family

lanthanide
lanthanide

CAS-nummer

74401007440520
7429905 54386242
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Space Group Name

P63 / mmc
P63 / mmc

Space Group Number

194,00194,00
11 276
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