Q. 235.0( 2 Votes )
Using the above p
(i) Li and Na have a single electron in the outermost shell. They can easily lose 1 electron and produce cation which causes chemical reactions which are explosive in nature.
(ii) Na and Mg both lie in the same period so along the period atomic size decreases. So, the size of Mg is smaller than Na.
(iii) Electronegativity of F is more than Cl i.e. F has more affinity to attract electrons because of its small size due to this F is more reactive than Cl.
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