Chemistry S and P - Block Elements (S - Block Elements Not In Syllabus ) Electronic Configuration and Physical Properties of Alkali Metals Single Correct MCQ
Published on: August 12, 2026

The most electropositive amongst the alkaline earth metals is :

A
Be
B
Mg
C
Ca
D
Ba

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The correct answer is:
D

Electropositive character is the measure of ease of formation of cation by losing electron(s). With increasing atomic size, the ionization energy decreases and, therefore, the ease of formation of cation by losing the electron increases resulting into more electropositive character of the metal. Down the group, metallic character increases due to decreases in ionisation energies and so electropositive character increase.

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