Atomic spectra
14:43
Khan AcademyMahesh Shenoy
Atomic spectra
Electrons only exist at specific, discrete energy levels in an atom. If an electron absorbs a photon with energy equal to the difference between two energy levels, the electron will transition to the higher energy level. The atom is then in an excited state. When an electron transitions to a lower energy level, it emits a photon with energy ...
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Vintage Bulb Spectra: emission line spectra identify the gas within these two vintage discharge glow bulbs- revealed here by a 500 line/mm diffraction grating. The color of each gas is due to a mix of the colors emitted from electron energy transitions specific to each element, the basis of spectroscopy. ➡️ Follow the link in my profile for info on where to get a diffraction grating slide and many other amazing items featured here on @physicsfun #physics #physicstoy #physicsfun #neon #argon #emi
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