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Protactinium and Radium Periodic Table

Protactinium
Radium
Radium and Protactinium in Periodic Table


Periodic Table
Symbol
Pa   
Ra   
Group Number
Not Available   
2   
16
Period Number
7   
7   
Block
f block   
s block   
Element Family
Actinide   
Alkaline Earth   
CAS Number
7440133   
99+
7440144   
99+
Space Group Name
I4/mmm   
Im_ 3m   
Space Group Number
139.00   
8
229.00   
1
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Actinide Metals

Actinide Metals

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