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Iridium and Actinium Periodic Table


Actinium and Iridium in Periodic Table


Periodic Table

Symbol
Ir  
Ac  

Group Number
9  
9
3  
15

Period Number
6  
7  

Block
d block  
f block  

Element Family
Transition Metal  
Actinide  

CAS Number
7439885  
99+
7440348  
99+

Space Group Name
Fm_ 3m  
Fm_ 3m  

Space Group Number
225.00  
3
225.00  
3

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