In this segment, the students learn about different models of the atom, including Dalton’s model, Thomson’s model, Rutherford’s model, and the Bohr model. Aired 07/10/2016 | Rating NR.

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 ...

Year: Scientist(s) New evidence: Changes to the atomic model: 1897: Thomson: The discovery of electrons. Atoms can be broken down into smaller parts. An atom is made of tiny negatively charged ...