In 1803, John Dalton's atomic theory brought them into scientific view, but the Manchester scientist was clear that he agreed with the Ancient Greeks and believed they could not be broken into ...

The scientist John Dalton carried out a series of experiments ... He published his ideas in 1803. This atomic model has changed over time. Scientists used the model to make predictions.

General Introduction: Importance and scope of Chemistry. Nature of matter, laws of chemical combination, Dalton's atomic theory: concept of elements, atoms and molecules. Atomic and molecular ...