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Thomson’s Atomic Model

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What are Electrons?

Electrons are negatively charged subatomic particles present in an atom. They were discovered by J.J. Thomson in 1897.

What are Protons?

Protons are positively charged subatomic particles present in an atom. They were discovered by

Eugen Goldstein in 1898.

Electron and proton

Electron and proton

What is Thomson’s atomic model?

According to J. J. Thomson, the structure of atom is as follows:

  • An atom consists of a positively charged sphere with electrons embedded in
  • The negative and positive charges are equal in magnitude. So, the atom on a whole is electrically

This model was also known as the Plum pudding model because it resembled a pudding that appears as a jelly having small nuts embedded in it.

Thomson's atomic model

Thomson’s atomic model

Related Posts:

  1. What are canal rays?
  2. Introduction to the Atomic Structure
  3. what are nucleons?
  4. Bohr’s Model of an Atom
  5. Introduction to Electricity
  6. Rutherford’s Atomic Model – Part 1