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

Electrons in each group before we apply energy to the Hydrogen tube would be sitting in a common state, also called the ground state. When the tube is on, the electrons get excited and some will move to higher energies than others. We call the higher energy levels the excited states. The energy of an electron in an atom is ...

physics.bu.edu/~duffy/semester2/c37_energylevels.html

It's often helpful to draw a diagram showing the energy levels for the particular element you're interested in. The diagram for hydrogen is shown above. The n = 1 state is known as the ground state, while higher n states are known as excited states. If the electron in the atom makes a transition from a particular state to a lower ...

opentextbc.ca/chemistry/chapter/6-2-the-bohr-model

The lowest few energy levels are shown in Figure 1. One of the fundamental laws of physics is that matter is most stable with the lowest possible energy. Thus, the electron in a hydrogen atom usually moves in the n = 1 orbit, the orbit in which it has the lowest energy. When the electron is in this lowest energy orbit, the atom ...

www.slideshare.net/asober/energy-levels-and-absorption-spectra

Oct 7, 2011 ... Energy Levels in the atom<br />As we considered, the electrons in the atom can only occupy quantized orbits, i.e. energy levels. All electrons prefer to be in the lowest (unoccupied) energy level (lowest potential energy). That is why an electron at a higher energy level eventually falls in a lower level ...

www.chemistry.mcmaster.ca/esam/Chapter_3/section_1.html

The electrons in the molecules and in the atoms absorb energy and are excited to high energy levels. lonization of the gas also occurs. When the electron is in a quantum level other than the lowest level (with n = 1) the electron is said to be excited, or to be in an excited level. The lifetime of such an excited level is very brief, ...

www.cyberphysics.co.uk/Q&A/KS5/Nuclear/EnergyLevels/energyLevelsA5.html

Quantum Phenomena - discrete energy levels for electrons. Q5. The diagram below shows the lowest three energy levels of a hydrogen atom. (a) An electron is incident on a hydrogen atom. As a result an electron in the ground state of the hydrogen atom is excited to the n = 2 energy level. The atom then emits a photon of a ...

blair.pha.jhu.edu/spectroscopy/basics.html

If left undisturbed, our hydrogen atom likes to bind its electron as tightly as it can, and so we would find the electron in the lowest energy level, which is called the " ground state." However, if our atom is immersed in a beam of light from, say, a nearby star, sooner or later the atom will encounter a photon with an energy that is ...

www.nist.gov/document-1537

Atomic Physics Division, National Institute of Standards and Technology, Gaithersburg, Maryland 20899. Received 24 ... Key words: atomic energy levels; atomic spectra; atomic wavelengths; atomic wave numbers; energy level classifications .... lated from the energy levels of Moore.2 Because of the low resolution of the ...

www.friesian.com/quanta.htm

When electrons drop down to the lowest quantum level, where angular momentum is zero, they emit photons in the ultra-violet part of the electromagnetic spectrum. This is the "Lyman" series of spectral lines. As n becomes indefinitely large, will tend to unity. Thus, an electron falling into the atom, to the lowest energy state, ...