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Potassium and Francium Periodic Table

Potassium
Francium
Francium and Potassium in Periodic Table


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