(chatquestion)...78. The basic character of MgO, BaO, Na,O and FeO follows the order MgO<FeO < BaO < Na2O (a) (b) FeO < MgO< Na20< BaO (c) FeO<Mg0< BaO< Na20 (d) Na20< MgO < FeO < BaO hotaric in character?...(Answer is C, how can i find this)

Question