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Francium and Mercury Periodic Table


Mercury and Francium in Periodic Table


Periodic Table

Symbol
Fr  
Hg  

Group Number
1  
17
12  
6

Period Number
7  
6  

Block
s block  
d block  

Element Family
Alkali  
Transition Metal  

CAS Number
7440735  
18
7439976  
99+

Space Group Name
-  
R_ 3m  

Space Group Number
225.00  
3
166.00  
9

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