All you needed to know about Electron Configuration.

Feb 3rd, 2012
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This covers Electron Configuration and Theory. Should you have questions don't hesitate to ask..

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Chapter 5Electrons in Atoms5.2 Quantum Theory and the AtomBohr's Model of the Atom In 1913, Danish physicist, Niels Bohrprovided an explanation for the lineemission spectra. Bohr proposed that an electron is foundonly in specific circular paths, or orbitsaround the nucleus. Each electron has a fixed energy Each energy is called an energy levelBohr correctly predicted the frequencylines in hydrogens atomic emissionspectrum.The lowest allowable energy state of anatom is called its ground state.When an atom gains energy, it is in anexcited state.Bohr's Model of the AtomBohrs Model put to the testBohrs model failed to explain the light emissionspectra of atoms of larger atomic numbersIn 1926, Austrian physicist Erwin Schrdingerdevelops a mathematical equation to describe themotion of electrons in atomsThe modern description of the electrons in atoms isthe Quantum Mechanical ModelHeisenburgs Uncertainty Principle Werner Heisenburg theorized that it wasimpossible to know both an electronsmotion and position at the same time. Therefore, electrons do not orbit in fixedrings around the nucleus They are found in orbitals a probablearea they reside.The Quantum Mechanical ModelDetermines the allowed energies an electroncan have and how likely it is to find theelectron in various locations around thenucleusQuantum NumbersPrincipal quantum number n ca

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