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22/11/2020 4:36 pm
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Arrange the following elements in increasing order of their atomic radii
(a) Li, Be, F, N
(b) Cl, At, Br, I
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22/11/2020 4:37 pm
(a) F < N < Be < Li is increasing order of atomic size because atomic size decreases along a period from left to right.
(b) Cl < Br < I < At is increasing order of atomic size because atomic size increases down the group due to increase in number of shells.