General Chem 1
Compare the current quantum mechanical model of the atom to the
classical ( pre-1913...
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Chemistry
General Chem 1
Compare the current quantum mechanical model of the atom to theclassical ( pre-1913 ) model. Identify similarities and at leastthree differences. Reference to historical development leading tochanges may be incorporated.
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The first systematic approach for defining an atom was made byLord Rutherford 1911 The main theme of thismodel was that a very high concentration of positive charge ispresent at the central part of the atom However it suffered fromsome demerits one of which was explaining the stability of theatom Niels Bohrs model 1913 however wassuccessful in explaining the stability and line spectra with hismodelThe main points in Bohrs model wereElectrons in atoms orbit the nucleus containing protons andneutronsThe electrons can only orbit stably without radiating incertain orbits at a certain discrete set of distances from thenucleus These orbits are associated with definite energies and arealso called energy shells or energy levels In these orbits theelectrons acceleration does not result in
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