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Promethium
Promethium

Americium
Americium



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Promethium
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Periodic Table van Promethium en Americium

Periodiek systeem

Symbool

Pm
Am

Group Number

310
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

74401227440359
7429905 54386242
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Space Group Name

-
P63 / mmc

Space Group Number

194,00194,00
11 276
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