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Promethium
Promethium

Thulium
Thulium



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Periodic Table van Promethium en Thulium

Periodiek systeem

Symbool

Pm
Tm

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

74401227440304
7429905 54386242
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Space Group Name

-
P63 / mmc

Space Group Number

194,00194,00
11 276
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