NCERT Question 2 - Chapter 4 Class 9 - Structure of Atom

Last updated at April 16, 2024 by

What are the limitations of J.J. Thomson’s model of the atom?

 

Answer

 

The limitations of J.J. Thomson’s model of atom were

 

  • Thomson’s plum pudding model of an atom illustrated that an atom consists of an equal amount of positive and negative charge.

 

  • His model of atom could explain the neutral nature of an atom, but couldn’t explain the results of the experiments (Like Rutherford’s alpha particle scattering experiment) conducted by the scientist.

 

  • JJ Thomson’s model suggests that it has a pool of positive charge but according to Rutherford’s experiment, most of the atom is empty while 
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