Question

give a comparison about the Thomas model of an atom and the Rutherford model of an atom ​

Answer 1

comparison between Thomson model of atom and Rutherford Model of atom.

Answer

Thomson's model of the atom -

• an atom consists of spear of positive charge with negatively charged electron embedded in it like the seeds in a watermelon .
• the total positive charge on the square is equal to the total negative charge on the electrons due to which an atom is electrically neutral . it has no over and positive or negative electric charge .

Limitation - Thomson's model of an atom could not explain the result of Alpha particle scattering experiment carried out by Rutherford .

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Rutherford's model of an atom -

• an atom consists of a very small positively charged in nucleus at its Centre with negatively charged electron revolving around it in a circular path with high speed .
• the electrostatic attraction between the positively charged nucleus and the negatively charged electrons holds the atom together .
• the number of positive protons is equal to the number of negative electrons due to which an atom is electrically neutral .
• almost the entire mass of an atom is concentrated in the nucleus .
• most of the atom is having empty space .

Limitation - Rutherford's model of an atom could not explain the stability of atom because the accelerated circular motion of revolving electron suit make them lose energy by radiation fall into the nucleus and make the atom to collapse equally which does not happen at all .