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12. Atomic radii of Fluorine and Neon in Angstrom units are given by

Answer»

Logic and Solution:

The reported radii of noble gas elements are "van der Waals radii", which are 40% more than the actual atomic radii. Hence neon's atomic radius must be much more than that of fluorine.

Note: It is not possible to get covalent and metallic radii for noble gases since they do not form bonds.

fluorine= 0.72A°neon= 1.60A°



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