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Barium
Barium

Erbium
Erbium



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Periodic Table van Barium en Erbium

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Periodiek systeem

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Ba
Er

Group Number

23
0 17
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periode Aantal

66
2 7
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Blok

s block
f block

element Family

aardalkali-
lanthanide

CAS-nummer

74403937440520
7429905 54386242
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Space Group Name

Im_ 3m
P63 / mmc

Space Group Number

229,00194,00
11 276
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