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Roentgenium and Polonium Periodic Table


Polonium and Roentgenium in Periodic Table


Periodic Table

Symbol
Rg   
Po   

Group Number
11   
7
16   
2

Period Number
7   
6   

Block
d block   
p block   

Element Family
Unknown   
Post-​Transition   

CAS Number
54386242   
1
7440086   
99+

Space Group Name
Not Available   
Pm-3m   

Space Group Number
194.00   
5
221.00   
3

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