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Radium and Actinium Periodic Table

Radium
Actinium
Actinium and Radium in Periodic Table


Periodic Table
Symbol
Ra   
Ac   
Group Number
2   
16
Not Available   
Period Number
7   
7   
Block
s block   
f block   
Element Family
Alkaline Earth   
Actinide   
CAS Number
7440144   
99+
7440348   
99+
Space Group Name
Im_ 3m   
Fm_ 3m   
Space Group Number
229.00   
1
225.00   
2
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