Questions and Answers > University of Texas, Rio Grande Valley - ASTRONOMY 140107 Atomic Spectra-online.

SpectraAstronomy 1401 - OnlineThe purpose of this laboratory activity is to examine the atomic spectra given off from excited gasesand identify an element by its spectra.Part 1: BackgroundEmission SpectraWhen an atom is excited (i.e., when it absorbs energy), electrons change their energy levels to higherones. When electrons from higher energy levels drop back down to lower energy levels, energy i ...[Show More]

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