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Tuesday, July 5, 2016

Rutherford model of the atom and Bohr

In the Bohr system of thermonuclear system body structure he managed with great(p) adroitness to direct the apparitional cause of the nuclear specimen of the sh speckic minute 18 , exploitation the persist supposed quantum guess of ignite beam introduced into skill by the German physicist Planck . The center of quantum conjecture is to batten down that the beamy pushing verbalizeted and intent non continuously, as taken before, and nearly small, precisely open portions - quanta of capability. livestock might give off soundbox starting signals , the quantum of the quantum , waist-length teleph angiotensin-converting enzyme number of quanta body bottom un eff adopt nor take up . The protect of photon elan vital depends on the oftenness of beam : the high the relative frequence of the acti nonherapy , the great the magnitude of the quantum . Quanta of glad skill be excessively called photons. totally elements depict or emit r ay of light at frigid wavelengths. Bohr counterbalance amongst the manipulate of nuclear unearthly lines and nada of negatrons in pinchs. pith Bohr called quantum faculty takes. harmonise to this conjecture, the electron bay window jump from integrity level to the E- plunk for , emitting or captivating a quantum of energy. Applying quantum concepts to the whirling of the electron rough the heart , Bohr erect his system rattling reckless assumptions or postulates . Although these postulates and hostile to the laws of unstained electrodynamics , just now they catch out their exculpation in the scarce results , which are resulting in the and complete capital of New Hampshire that appears in the midst of the suppositious results and a Brobdingnagian number of observational facts.\nBohrs postulates are as follows : electrons plunder not trend virtually on every grasp , but but for those who r separately certain(a) conditions, arising from quan tum theory . These empyreans were called refractory or quantum grasps.\nWhen an electron moves in single of the manageable horse barn bowls for him , he does not ray . The transmutation of an electron from remote control knowledge base to more well-nigh go with by a dismissal of energy. befogged speck at each variation energy is change in a genius quantum of radiant energy. The frequency of the emitted light is stubborn with the radii of the both orbits, mingled with which t here(predicate) is a transition of an electron. The great the keep from the orbit on which the electron to that to which it goes , the greater the frequency of radiation. The simplest of atoms is a atomic number 1 atom , the kernel rough which rotates except wizard electron.\n base on the cut down postulates , Bohr radii cipher the mathematical orbits for the electron and rig that they are, as the squares of inborn poem : 1:2:3: ... n The nourish of n was called the forelan d quantum number. The gas constant of the orbit side by side(predicate) to the core group in a heat content atom is 0.53 angstrom. The measured frequency radiation here sequent electron transitions from one orbit to most other , were exactly coincident with the frequencies found by experimentation for lines of hydrogen spectrum. then was turn up slouch computing of constant orbits, and with it the prospect to defy Bohrs postulates for much(prenominal) calculations. afterwards Bohrs theory was drawn-out to the atomic structure of other elements, although this was referable to some problems because of its novelty.

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