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.

Basically, Dalton just expanded on the Greek idea of the atom. An atom is a small things, and there are different masses with different properties. J. Jonah Jameson Thomson - (AKA J.J.) ...

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 ...