show the formations of Na2O and MgO by transfer of electrons. 5 marks
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Na2O is therefore an ionic or electrovalent compound. Formation of MgO: It has two electrons in its outermost shell. ... The oppositely changed magnesium ions Mg2+ and oxide ions O2- are held together by a strong force of electrostatic attraction to form Magnesium oxide compound Mg2+O2- or MgO.
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