Question

what is J.J. Thomson 's model of an atom?

Answer 1

J.J. Thomson model of atom is also called water melon model or plum pudding model. According to Thomson electrons are embedded in a positively charged mass and are distributed uniformly throughout the atomic sphere. It was discarded as he could not explain how positively and negatively charged particles maintain their identity even if they are together.

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Answer 2

Thomson atomic model was proposed by William Thomson in the year 1900 . This model explained the description of an inner structure of the atom theoretically . It was strongly supported by Sir Joseph Thomson who had discovered the electron earlier.