1.

Arrange increasing order of atomic radius of given elements. (i) O, N, F, B, Be, Li, C br> (ii) P, S, Mg, Na, Al, Si, Cl (iii) K, Na, Li, Cs, Rb (iv) Cl, F, I, At, Br

Answer»

Solution :(i) F, O, N, C, B, Be , Li (ii) Cl, S, P, Si, Al, Mg, Na <BR> (iii) Li, Na, K, Rb, CS
(IV) F, Cl, Br, I, At


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