JEE Main Chemistry question

Atomic radii of fluorine and neon in angstrom units are respectively given by:

(A)0.72, 1.60Correct
(B)1.60, 1.60
(C)0.72, 0.72
(D)1.60, 0.72

Answer: (A)

Solution

Fluorine's radius here is a covalent radius ( Å, from its bonded molecules), whereas neon forms no covalent bonds, so only its van der Waals radius ( Å) can be measured. Because

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Question ID VK-133748