What is the plum pudding model of the atom?

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(A) The plum pudding model was proposed by $J.J. Thomson$ in $1904$ before the discovery of the atomic nucleus.According to this model,an atom is cons

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An atom consists of a positive sphere with electrons embedded in it.

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(A) The plum pudding model was proposed by $J.J. Thomson$ in $1904$ before the discovery of the atomic nucleus.According to this model,an atom is considered to be a sphere of uniform positive charge with electrons embedded in it like plums in a pudding.The total positive charge is equal to the total negative charge of the electrons,making the atom electrically neutral.This model is also known as the 'watermelon model' because the positive charge is spread like the red edible part of a watermelon,and the electrons are embedded like seeds.

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