Models of the Atom

The idea of the atom has a long history. Enjoy this podcast for a brief overview of the development of the model of the atom from the time of the ancient Greek philosopher Democritus to today. See images of the key scientists involved in the development of the model, as well as images of the shapes of some representative atomic orbitals.

Image credits can be found in the lesson plan for this podcast. Texts of the abridged script and full script are also available.