Aluminium information, structure is big magnesium or beryllium

Al :
         Element:- Aluminum
       Atomic no.:-13
        Atomic mass:-27
      No. Proton :-13
      No. Neutrons :-14


Berelium and Magnesium have atomic numbers are 4 and 12 respectively.
Electronic configuration are 2,2 and 2,8,2 respectively.
So as Magnesium has more shells it has more big structure.

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