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Whose model of the atom did J.J. Thomson prove to be incorrect with his experiments, and what evidence proved his idea?

A. Niels Bohr - Mathematically determined the number of electrons that occupy regions around the nucleus.
B. John Dalton - Cathode-ray bends towards a positively charged plate.
C. Erwin Schrödinger - Alpha particles pass through gold foil, and few were deflected.
D. James Chadwick - Differing brightness of electron cloud density around the nucleus.

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Final answer:

J.J. Thomson proved Ernest Rutherford's atom model wrong through his experiments, leading to the Rutherford model.


Explanation:

J.J. Thomson proved Ernest Rutherford's model of the atom to be incorrect with his experiments. Thomson's discovery of the electron through his study of cathode rays led to the Plum Pudding Model of the atom, suggesting atoms as a positively charged mass with negatively charged electrons scattered throughout. However, Rutherford disproved this model with his gold foil experiment in 1909, leading to the proposal of the Rutherford model, highlighting a small, positively charged nucleus at the atom's center.


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