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Curium
Curium

Promethium
Promethium



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Promethium

Periodic Table van Curium en Promethium

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Periodiek systeem

Symbool

Cm
Pm

Group Number

33
0 17
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periode Aantal

76
2 7
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Blok

f block
f block

element Family

actinide
lanthanide

CAS-nummer

74405197440122
7429905 54386242
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Space Group Name

-
-

Space Group Number

225,00194,00
11 276
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