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Protactinium and Yttrium Periodic Table


Yttrium and Protactinium in Periodic Table


Periodic Table

Symbol
Pa   
Y   

Group Number
Not Available   
3   
15

Period Number
7   
5   

Block
f block   
d block   

Element Family
Actinide   
Transition Metal   

CAS Number
7440133   
99+
7440655   
25

Space Group Name
I4/mmm   
P63/mmc   

Space Group Number
139.00   
8
194.00   
5

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