Page 389 - SUBSEC October 2017_Neat
P. 389

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                           (ii)   Account for the variation in atomic and ionic radii of the elements in Group II.

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                                                                                                   [2 marks]


                    (i)    Explain the variation in the acid/base character of the oxides of oxidation state +2 of the
                           elements of Group IV.

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                                                                                                   [5 marks]

                                                                                             Total 30 marks










                                                     END OF TEST


                   IF YOU FINISH BEFORE TIME IS CALLED, CHECK YOUR WORK ON THIS TEST.                                  DO NOT WRITE IN THIS AREA














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