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Francium and Polonium Periodic Table


Polonium and Francium in Periodic Table


Periodic Table

Symbol
Fr  
Po  

Group Number
1  
17
16  
2

Period Number
7  
6  

Block
s block  
p block  

Element Family
Alkali  
Post-​Transition  

CAS Number
7440735  
18
7440086  
99+

Space Group Name
-  
Pm-3m  

Space Group Number
225.00  
3
221.00  
4

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