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en.wikipedia.org/wiki/Emission_spectrum

The emission spectrum of a chemical element or chemical compound is the spectrum of frequencies of electromagnetic radiation emitted due to an atom or molecule making a transition from a high energy state to a lower energy state. The photon energy of the emitted photon is equal to the energy difference ... When excited, an electron moves to a higher energy level or orbital.

www.brooklyn.cuny.edu/bc/ahp/LAD/C3/C3_elecEnergy.html

When an electron is hit by a photon of light, it absorbs the quanta of energy ... So the electron moves to a different orbital where once again its own ... electrons in these materials move from a lower level of energy up to a higher ... Typically, the light produced by a LED is only one color (red or green being strong favorites).

web.phys.ksu.edu/vqm/tutorials/hydrogen/hyd9.html

One group will consist of Ultra Violet light and one group will consist of Visible light. ... Electrons in each group before we apply energy to the Hydrogen tube would ... The energy of the photon will determine the color of the Hydrogen Spectra seen ... The photon is emitted with the electron moving from a higher energy level to ...

chem.libretexts.org/Core/Physical_and_Theoretical_Chemistry/Quantum_Mechanics/10%3A_Multi-electron_Atoms/The_Bohr_Atom

Mar 10, 2017 ... If an electron drops down from n=2 to n=1 energy is emitted, and if the electron ... how the electrons emit light as they move from one orbital to another. ... With the equation below we can calculate allowed energy levels for a ...

cas.sdss.org/dr2/en/proj/advanced/spectraltypes/energylevels.asp

DR2 Projects. Basic · Advanced. - Hubble Diagram. - Color. - Spectral Types ... Electrons can jump from one energy level to another, but they can never have ... than the first, so to move from n = 1 to n = 2, the electron needs to gain energy. ... 10.2 eV of energy, the light absorbed or emitted must have a definite wavelength.

www.physlink.com/education/askexperts/ae569.cfm

Electrons on atoms have different amounts of energy proportional to the ... from a lower level to a higher one it must absorb energy, often in the form of light.

intro.chem.okstate.edu/1314F00/Lecture/Chapter7/Lec11300.html

When Balmer, Lyman and Paschen studied the light emitted by an excited hydrogen ... The frequency of the light which excites the electron from one energy level to another is exactly equal to the difference in energy of the two levels. ... In order to reproduce the same equations determined empirical by Rydberg and the  ...

www.colorado.edu/physics/EducationIssues/ModernPhysics/Lecture_Notes/CSMSP11_Lecture13_BohrModel(asgiven).pdf

2) Different set of energy levels for different atoms. 3) One photon emitted per electron jump down between energy levels. Photon color determined by energy difference. 4) If electron not bound to an atom: Can have any energy. (For instance ... emitted light? ... CT: When electron moves to location further from the nucleus,.

www.astronomynotes.com/light/s8.htm

Jun 10, 2010 ... A larger jump to a lower energy level, will produce a photon with greater energy ( smaller wavelength). The atom produces light of certain wavelengths. ... The photon is later re-emitted but in a random direction---not necessarily in ... the right energy to move an electron from one energy level to another level.