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What are the limitations of Bohr’s atom model?

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  • The Bohr’s atom model is applicable only to species having one electron such as hydrogen, Li2+ etc and not applicable to multi – electron atoms. 
  • It was unable to explain the splitting of spectral lines in the presence of magnetic field (Zeeman effect) or an electric field (Stark effect). 
  • Bohr’s theory was unable to explain why the electron is restricted to revolve around the nucleus in a fixed orbit in which the angular momentum of the electron is equal to nh / 2π.

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