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Promethium and Roentgenium Periodic Table

Promethium
Roentgenium
Roentgenium and Promethium in Periodic Table


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