Alkali metals possess metallic lustre when freshly cut beca…

Chemistry S and P - Block Elements (S - Block Elements Not In Syllabus ) Alkali Metals Single Correct MCQ

Published by: CGP EDU Academic Team

Published on: August 12, 2026

Alkali metals possess metallic lustre when freshly cut because :

They have a hard surface and light is reflected back.

Their crystal structure contains ordered arrangement of constituent atoms

They contain loosely bound electrons which absorb the photons and then re-emit.

They are obtained from the minerals on which light has been falling for years

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The correct answer is:

The alkali metal atoms have the largest size in a particular period of the periodic table and thus they contain loosely bound electrons which absorb the photons and then re-emit it and producing metallic lustre.

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