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Terbium and Promethium Periodic Table


Promethium and Terbium in Periodic Table


Periodic Table

Symbol
Tb  
Pm  

Group Number
3  
15
3  
15

Period Number
6  
6  

Block
f block  
f block  

Element Family
Lanthanide  
Lanthanide  

CAS Number
7440279  
99+
7440122  
99+

Space Group Name
P63/mmc  
-  

Space Group Number
194.00  
7
194.00  
7

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Lanthanide Series

Lanthanide Series

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