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Polonium and Actinium Periodic Table


Actinium and Polonium in Periodic Table


Periodic Table

Symbol
Po  
Ac  

Group Number
16  
2
3  
15

Period Number
6  
7  

Block
p block  
f block  

Element Family
Post-​Transition  
Actinide  

CAS Number
7440086  
99+
7440348  
99+

Space Group Name
Pm-3m  
Fm_ 3m  

Space Group Number
221.00  
4
225.00  
3

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