Atomic radii of fluorine and neon (Ao) respectively are given as
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a
0.72,1.60
b
1.60, 1.60
c
0.72, 0.72
d
1.60, 0.72
answer is A.
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Detailed Solution
F and Ne belong to the same 2nd period. Size of inert gases is slightly greater than the proceeding halogens, due to repulsion between paired electrons (ns2 np6). ∴ Size of Ne> size of F(1.60Å>0.72Å)