STANDARDChemistry-Periodic Table
STANDARD Chemistry Atomic and Ionic Radii MCQ Question
Type: MCQ-conceptual-Medium
Which of the following has the smallest size
A
Na⁺
B
Mg²⁺
C
Cl⁻
D
F⁻
Correct Answer
Option B
Detailed Explanation
As the nuclear charge per e⁻ is maximum in Mg²⁺, it has the smallest size among Na⁺, Mg²⁺, Cl⁻, and F⁻.
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