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 Form 2 Chemistry Questions and Answers on Chemical Families

The grid below shows part of the periodic table. The letters do not represent the actual symbols of the elements.
(a) Select the: (i)element which has the largest atomic radius (ii)most reactive nonmetal
(b) Show on the grid the position of the element J which forms #J^(2+)# ions with electronic configuration 2,8,8.

 (4m 47s)
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