5. Which of these elements has the greatest atomic radius? *
Be
Mg
Ra
Ba
       
      
                
     
    
    
    
    
    1 answer:
            
              
              
                
                
The answer is Ra
Atomic number for Be is 4
Atomic number for Mg 12
Atomic number for Ra 88
Atomic number for Ba 56
                                
             
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