write postulates of Bohr's atomic model
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- the electrons revolve around the nucleus in circular paths called orbits
- different orbits possess different energies
- the energy difference between one orbit and another orbit is constant
- the energy of an orbit increases as it moves away from the nucleus
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In 1913, Nelis Bohr Danish Physicts explained the cause of the stability of the atom in a different manner. The main postulates are:
i) While the electrons revolving around the nucleus in stationary circular Path called orbits (or) shells (or) energy levels
ii) While revolving around the nucleus in an orbits, an electron neither loses nor gains energy
iii) An electron in a shell can move to a higher (or) lower energy by absorbing (or) releasing a fixed amount of energy
iv) The orbits shells are resprented by the lettersK,L,M, N....or the numbers, n=1,2,3,, . . . .
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