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Promethium and Chromium Periodic Table


Chromium and Promethium in Periodic Table


Periodic Table

Symbol
Pm  
Cr  

Group Number
3  
15
6  
12

Period Number
6  
4  

Block
f block  
d block  

Element Family
Lanthanide  
Transition Metal  

CAS Number
7440122  
99+
7440473  
39

Space Group Name
-  
Im_ 3m  

Space Group Number
194.00  
7
229.00  
2

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Lanthanide Series

Lanthanide Series

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