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Radium and Roentgenium Periodic Table

Radium
Roentgenium
Roentgenium and Radium in Periodic Table


Periodic Table
Symbol
Ra   
Rg   
Group Number
2   
16
11   
7
Period Number
7   
7   
Block
s block   
d block   
Element Family
Alkaline Earth   
Unknown   
CAS Number
7440144   
99+
54386242   
1
Space Group Name
Im_ 3m   
Not Available   
Space Group Number
229.00   
1
194.00   
5
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