MHT CET 2025 Chemistry question

Chemistry Classification of Elements and Periodicity in Properties MHT CET 2025

Which of the following elements has highest electronegativity?

(A)Sr
(B)Ca
(C)Mg
(D)BeCorrect

Answer: (D)

Solution

Sr, Ca, Mg and Be are all group 2 elements. Electronegativity decreases down a group because the atomic size increases and the nuclear attraction on the bonding pair decreases. The order of size is $\mathrm{Be <

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Question ID VK-102374