Question

Why is the ionic radius of a chloride ion larger than the ionic radius of a
sodium ion?
(A) A chloride ion has one more occupied electron shell than a sodium ion.
(B) Chlorine has a higher proton number than sodium.
(C) Ionic radius increases regularly across the third period.
(D) Sodium is a metal, chlorine is a non-metal.

Answer 1

Answer:

Option A is correct because chlorine has 3 shells while sodium has only two

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