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Compare all the proposed models of an atom given in this chapter.
 
  • Sphere of positive charge.
  • Electrons are spread randomly all over the sphere.
 
  • Sphere of positive charge in centre is called nucleus.
  • All mass of an atom resides in the nucleus.
  • Electrons travel around the nucleus in well-defined orbits.
  • Positive charge in the centre is called nucleus.
  • Electrons travel in the discrete orbits and do not emit energy.
Answer variants:
Bohr's model
Thomson's model
Rutherford's model
Dalton's model