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Francium and Potassium Periodic Table

Francium
Potassium
Potassium and Francium in Periodic Table


Periodic Table
Symbol
Fr   
K   
Group Number
1   
17
1   
17
Period Number
7   
4   
Block
s block   
s block   
Element Family
Alkali   
Alkali   
CAS Number
7440735   
18
7440097   
99+
Space Group Name
Not Available   
Im_ 3m   
Space Group Number
Not Available   
229.00   
1
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