The electronic configurations of four elements are given below. Arrange these elements in the correct order of their atomic radii(i) 2s22p5 (ii) 3s23p4(iii) 3s23p5 (iv) 2s22p4

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i < ii < iii < iv

iii < iv < iii < i

i < iv < iii < ii

ii < iii < i < iv

answer is C.

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Detailed Solution

Atomic radius increases in a group and decreases across a period

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