Protactinium and Einsteinium Periodic Table
Periodic Table
Symbol
Pa
Es
Group Number
Not Available
Not Available
Period Number
7
7
Block
f block
f block
Element Family
Actinide
Actinide
CAS Number
7440133
99+
7429927
99+
Space Group Name
I4/mmm
Not Available
Space Group Number
139.00
8
Not Available
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