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Francium and Rubidium Periodic Table


Rubidium and Francium in Periodic Table


Periodic Table

Symbol
Fr   
Rb   

Group Number
1   
17
1   
17

Period Number
7   
5   

Block
s block   
s block   

Element Family
Alkali   
Alkali   

CAS Number
7440735   
18
7440177   
99+

Space Group Name
Not Available   
Im_ 3m   

Space Group Number
Not Available   
229.00   
1

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