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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.
periodictable742020233.png
(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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