Check sibling questions

On the basis of Thomson’s model of an atom, explain how the atom is neutral as a whole.



  • As per Thomson, the model of atom is similar to a plum pudding .
  • The pudding is spherical in shape and has dry fruits embedded (spread) throughout the pudding.
  • Similarly an atom has negatively charged electrons embedded in a positively charged sphere.
  • He explained that the total positive charge is equal to the total negative charge contributed by the electrons embedded.
  • Hence, the atom is neutral as a whole.

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CA Maninder Singh is a Chartered Accountant for the past 12 years and a teacher from the past 16 years. He teaches Science, Accounts and English at Teachoo