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Cerium
Cerium

Promethium
Promethium



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Cerium
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Promethium

Periodic Table van Cerium en Promethium

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Periodiek systeem

Symbool

Ce
Pm

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

74404517440122
7429905 54386242
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Space Group Name

P63 / mmc
-

Space Group Number

194,00194,00
11 276
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