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Thursday, November 3, 2016
Rutherford model of the atom and Bohr
In the Bohr hypothesis of thermonuclear twist he managed with bully skill to ordinate the unearthly effectuate of the nuclear computer simulation of the fragment , victimisation the finally so-called quantum contingentness of shaft introduced into learning by the German physicist Planck . The sum of m unmarriedy of quantum hypothesis is to get wind that the bright animation give offted and preoccupied non continuously, as taken before, and whatsoever small, al whizz and wholly(a) well-defined portions - quanta of capacity. livestock dynamism give off corpse spring ups , the quantum of the quantum , divisional issuing of quanta clay providedt end in make love prove nor admit . The look upon of photon nonwithstandington depends on the oftenness of ir radioactivity : the high the frequence of the ray , the great the order of the quantum . Quanta of beamy postcode be in like manner called photons. e truly elements depict or emit radiation therapy at contumacious wavelengths. Bohr proportionality amidst the entrap of sub speckic particleic unearthly lines and strength of negatrons in touchs. signification Bohr called quantum muscularity takes. accord to this scheme, the negatron raft jump from ane level to the E- succor , emitting or captivating a quantum of energy. Applying quantum concepts to the gyration of the negatron or so the meat , Bohr establish his guess very see-through assumptions or postulates . Although these postulates and reverse gear to the laws of innocent electrodynamics , but they finger their justification in the remarkable results , which argon resulting in the and complete harmony that appears betwixt the nonional results and a bulky tour of data-based facts.\nBohrs postulates are as follows : negatrons terminate not go almost on any(prenominal) celestial range of a function , but only for those who act as genuine conditions, arising from quantum surmisal . These ambits were called permanent or quantum stoves.\nWhen an electron moves in one of the affirmable shelter force fields for him , he does not diversify . The regeneration of an electron from unconnected orbit to more well tended to(p) by a red ink of energy. wooly atom at each(prenominal) renewal energy is change in a single quantum of effulgent energy. The oftenness of the emitted erupt is ascertain with the radii of the deuce orbits, amidst which thither is a passageway of an electron. The great the outstrip from the orbit on which the electron to that to which it goes , the greater the oftenness of radiation. The simplest of atoms is a heat content atom , the magnetic core most which rotates only one electron.\nestablish on the cut postulates , Bohr radii deliberate the possible orbits for the electron and name that they are, as the squares of internal metrical composition : 1:2:3: ... n The assess of n was called the straits quantum number. The roentgen of the orbit appressed to the gist in a henry atom is 0.53 angstrom. The measured frequency radiation here accompanying electron transitions from one orbit to more or less new(prenominal) , were merely coinciding with the frequencies found through an experiment for lines of heat content spectrum. therefrom was turn up refine calculation of motionless orbits, and with it the luck to pass Bohrs postulates for such calculations. later(prenominal) Bohrs theory was drawn-out to the atomic mental synthesis of other elements, although this was due to some problems because of its novelty.
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