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Radium and Promethium Periodic Table

Radium
Promethium
Promethium and Radium in Periodic Table


Periodic Table
Symbol
Ra   
Pm   
Group Number
2   
16
Not Available   
Period Number
7   
6   
Block
s block   
f block   
Element Family
Alkaline Earth   
Lanthanide   
CAS Number
7440144   
99+
7440122   
99+
Space Group Name
Im_ 3m   
Not Available   
Space Group Number
229.00   
1
Not Available   
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