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Chromium and Actinium Periodic Table


Actinium and Chromium in Periodic Table


Periodic Table

Symbol
Cr  
Ac  

Group Number
6  
12
3  
15

Period Number
4  
7  

Block
d block  
f block  

Element Family
Transition Metal  
Actinide  

CAS Number
7440473  
39
7440348  
99+

Space Group Name
Im_ 3m  
Fm_ 3m  

Space Group Number
229.00  
2
225.00  
3

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