10th Class Science Metals and Non-metals Question Bank 10th CBSE Science Metals and Non-metals

  • question_answer   Show the formation of MgO by the transfer of electrons in the two elements using electron-dot structures.                      Or Atomic number of Mg is 12 and of oxygen is 8. Show the formation of MgO from its elements.                               Or                  Using the electronic configurations, explain how magnesium atom combines with oxygen atom to form magnesium oxide by transfer of electrons.


                      Magnesium (Mg) losses two electrons from its outermost shell and becomes while oxygen (O) gains two electrons to become .      (1)        

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