Chemistry & Physics. Chemistry 301: The Development of the Atomic Theory. Season 1 Episode 301 | 21m 19s. The terms theory and model are defined, and students learn how a theory remains valid.

It is a story of how ideas changed about the nature of the atom. These are the notes (and diagrams) I use when I teach the atomic nature of matter to non-science majors. The best thing about this ...

IN the review of “A New View of the Origin of Dalton's Atomic Theory,” published in your issue of April 16, your reviewer, in summing up the evidence as to the origin of the atomic theory ...

It's a simplistic model, yet provides insights into atoms and chemical properties, and this year marks 100 years since the model was first proposed by Danish physicist Niels Bohr.