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Chromium and Technetium Periodic Table


Technetium and Chromium in Periodic Table


Periodic Table

Symbol
Cr  
Tc  

Group Number
6  
12
7  
11

Period Number
4  
5  

Block
d block  
d block  

Element Family
Transition Metal  
Transition Metal  

CAS Number
7440473  
39
7440268  
99+

Space Group Name
Im_ 3m  
P63/mmc  

Space Group Number
229.00  
2
194.00  
7

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