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Roentgenium and Promethium Periodic Table

Roentgenium
Promethium
Promethium and Roentgenium in Periodic Table


Periodic Table
Symbol
Rg   
Pm   
Group Number
11   
7
Not Available   
Period Number
7   
6   
Block
d block   
f block   
Element Family
Unknown   
Lanthanide   
CAS Number
54386242   
1
7440122   
99+
Space Group Name
Not Available   
Not Available   
Space Group Number
194.00   
5
Not Available   
Facts >>
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