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Actinium and Chromium Periodic Table


Chromium and Actinium in Periodic Table


Periodic Table

Symbol
Ac  
Cr  

Group Number
3  
15
6  
12

Period Number
7  
4  

Block
f block  
d block  

Element Family
Actinide  
Transition Metal  

CAS Number
7440348  
99+
7440473  
39

Space Group Name
Fm_ 3m  
Im_ 3m  

Space Group Number
225.00  
3
229.00  
2

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Actinide Series

Actinide Series

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