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What did Thomson contribute to the model of the atom?

Understand the Problem

The question is asking about the contributions made by J.J. Thomson to the atomic model. Specifically, it seeks to understand how his work, particularly regarding the discovery of the electron, changed the existing concepts of atomic structure.

Answer

J.J. Thomson discovered the electron and proposed the 'plum pudding' model of the atom.

The final answer is that J.J. Thomson discovered the electron and proposed the 'plum pudding' model of the atom.

Answer for screen readers

The final answer is that J.J. Thomson discovered the electron and proposed the 'plum pudding' model of the atom.

More Information

Thomson's discovery of the electron was revolutionary as it was the first identification of a subatomic particle. His 'plum pudding' model suggested that atoms were composed of electrons distributed within a 'soup' of positive charge.

Tips

A common mistake is to overlook that Thomson's model was not accurate in the long run but it set the stage for more accurate atomic models.

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