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Promethium
Promethium

Strontium
Strontium



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Periodic Table van Promethium en Strontium

Periodiek systeem

Symbool

Pm
Sr

Group Number

32
0 17
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periode Aantal

65
2 7
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Blok

f block
s block

element Family

lanthanide
aardalkali-

CAS-nummer

74401227440246
7429905 54386242
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Space Group Name

-
Fm_ 3m

Space Group Number

194,00225,00
11 276
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