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Promethium
Promethium

francium
francium



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Promethium
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francium

Periodic Table van Promethium en francium

Periodiek systeem

Symbool

Group Number

periode Aantal

Blok

element Family

CAS-nummer

Space Group Name

Space Group Number

 
Pm
3
6
f block
lanthanide
7440122
-
194,00
 
Fr
1
7
s block
Alkali
7440735
-
225,00