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Francium and Roentgenium Periodic Table

Francium
Roentgenium
Roentgenium and Francium in Periodic Table


Periodic Table
Symbol
Fr   
Rg   
Group Number
1   
17
11   
7
Period Number
7   
7   
Block
s block   
d block   
Element Family
Alkali   
Unknown   
CAS Number
7440735   
18
54386242   
1
Space Group Name
Not Available   
Not Available   
Space Group Number
Not Available   
194.00   
5
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