Question

explain JJ Thompson model​

Answer 1

Answer:

Thomson's model of an atom, an atom consists of a positively charged sphere with electrons embedded in it. In 1897, he discovered negatively charged particles by cathode ray experiment. ... Thomson's model failed to explain the results of alpha particle scattering experiment carried out by Rutherford.

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Explanation:

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Answer 2

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In Thomson's model, the atom is composed of electrons surrounded by a soup of positive charge to balance the electrons' negative charges, like negatively charged “plums” surrounded by positively charged “pudding”. The 1904 Thomson model was disproved by Hans Geiger's and Ernest Marsden's 1909 gold foil experiment.Summary. J.J. ... Thomson proposed the plum pudding model of the atom, which had negatively-charged electrons embedded within a positively-charged "soup." Rutherford's gold foil experiment showed that the atom is mostly empty space with a tiny, dense, positively-charged nucleus.