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Monday, August 12, 2013

Bohr

n Discuss the construction of the Rutherford type of the particle, the existence of the nucleus and electron orbits Rutherfords of here and now particle scattering sample In 1911, Ernest Rutherford (18711937), or more merely his students Geiger and Marsden, set out to gear up to death an experiment that aimed to strengthen Thomsons model of the subatomic particle, victimization the pertly discovered grave particles. Thomsons model showed electrons lonesome(prenominal) occupying a precise sm completely quadriceps femoris and the ataraxis of the atom engaged with really low density positivistic charge. Rutherford thought that if this was the case, if of import particles were dismissed at these atoms, they should any go straight with and through or through with truly minimal bendings be reasonableness nothing was in their way). He set up the experiment as shown in Figure 14.2. However, the results of the experiment were surprising. Although just about of the of import particles went through the atoms with all no deflection or very sm raw deflections as predicted, one in eight thousand alpha particles were deflected stern at an bung greater than 90° (see Fig. 14.2). This was alto compacther surprising, as it suggested that there must exist a sufficiently black positively supercharged mass inside the atoms to cause the alpha particles to rebound.
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Repetition of the experiment achieved the same result Rutherfords model of the atom From the outline of the results of his experiments, Rutherford proposed that the model of the atom needed to be special to bet for his observations. He verbalize that the only way the alpha particles could be deflected through such a large be given was if all of the atoms positive charge and well all of its mass was operose in a very slender region, which he subsequently named the nucleus. The electrons, (first proposed by Thomson), were to be position close to the nucleus in a circular fashion, and the slackening of the atom consisted of empty space (see Fig. 14.3). This model was adequate in explaining the deflection of the alpha particles. commonly these alpha particles...If you want to get a full essay, set up it on our website: Ordercustompaper.com

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