What does atomic spectrum mean?

atomic spectrum meaning in General Dictionary

(physics) a spectrum of radiation caused by electron changes within an atom; the group of spectrum outlines is characteristic associated with the element

Sentence Examples with the word atomic spectrum

The difficulty is further diminished when it is proved, as it can be proved, 2 that the modes of energy represented in the atomic spectrum acquire energy so slowly that the atom might undergo collisions with other atoms for centuries before being set into oscillations which would possess an appreciable amount of energy.

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