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Why Has The Atomic Theory Changed Over Time? [Solved]

This atomic model has changed over time. Scientists used the model to make predictions. Sometimes the results of their experiments were a surprise and they did not fit with the existing model. Scientists changed the model so that it could explain the new evidence.

The 2,400-year search for the atom - Theresa Doud

How

The History of Atomic Chemistry: Crash Course Chemistry #37

How

GCSE Chemistry - History of the Model of the Atom #7

This video covers: - Democritus -