Chemistry Mcqs

Alkali and alkaline earth metals impart colours when heated over burner. It is due to______________?

(A) Smaller electronegativity of alkali metals

(B) Smaller ionic radius of these metals

(C) De-excitation of electrons from higher energy levels to low energy level

(D) Excitation of electrons from low energy levels to higher energy levels

Submitted By: Ali Uppal

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