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francium
francium

Polonium
Polonium



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Periodic Table van francium en Polonium

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Group Number

periode Aantal

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element Family

CAS-nummer

Space Group Name

Space Group Number

 
Fr
1
7
s block
Alkali
7440735
-
225,00
 
Po
16
6
p block
post- Transition
7440086
Pm-3m
221,00