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Lithium has a diagonal relationship with ____________

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in Chemistry – Class 11 by (148k points)
Lithium has a diagonal relationship with ____________

(a) magnesium

(b) sodium

(c) aluminum

(d) neon

This question was addressed to me in an internship interview.

I'm obligated to ask this question of s-Block Elements in chapter s-Block Elements of Chemistry – Class 11

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The correct answer is (a) magnesium

For explanation I would say: Lithium shows diagonal resemblance with magnesium which is an element of group 2 and this resemblance is due to the similar polarising power of both these elements. polarizability is proportional to the ionic charge / the square of the Ionic radius.

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