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Roentgenium and Radium Periodic Table


Radium and Roentgenium in Periodic Table


Periodic Table

Symbol
Rg   
Ra   

Group Number
11   
7
2   
16

Period Number
7   
7   

Block
d block   
s block   

Element Family
Unknown   
Alkaline Earth   

CAS Number
54386242   
1
7440144   
99+

Space Group Name
Not Available   
Im_ 3m   

Space Group Number
194.00   
5
229.00   
1

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