question_answer 79)

  Give the formulae of the stable binary compounds that would be formed by the combination of following pairs of elements. (a) Mg and N2                    (b) Li and O2                                   (c) Al and Cl2       (d) K and O2

Answer:

                  (a)           Magnesium nitride (b)              Lithium oxide (c)              Aluminium chloride (d)               Potassium oxide