Periodic TableHard

Question

Select the correct statement :-

Options

A.Na2O < MgO > Al2O3 < SiO2 Acidic character
B.Al+1 < Al+2 < Al+3 Stability
C.F > Cl > Br > I Electron Affinity
D.BeO < MgO < CaO < SrO < BaO Basic Nature

Solution

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