Question

Why does alkali metal imparts color to the flame test?

Answer 1

the electrons emit energy and come back to the original levels. This emitted energy falls in the visible region of electromagnetic spectrum. This is why, alkali metals imparts colour to flame.

Answer 2

Hey mate

here's your answer

The energy of the flame is sufficient to excite the electrons to higher energy level. Hence, the electrons emit energy and come back to the original levels. This emitted energy falls in the visible region of electromagnetic spectrum. This is why, alkali metals imparts colour to flame.