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Hafnium
Hafnium

Protactinium
Protactinium



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Hafnium
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Protactinium

Hafnium and Protactinium Periodic Table

Periodic Table

Symbol

Group Number

Period Number

Block

Element Family

CAS Number

Space Group Name

Space Group Number

 
Hf
4
6
d block
Transition Metal
7440586
P63/mmc
194.00
 
Pa
3
7
f block
Actinide
7440133
I4/mmm
139.00