History of the Atomic Model

Democritus

460

Actually the Greek time period was around 300BC and after Greek ideas of atomsT

Democritus Atomic Model

460

What Democritus and the Greeks thought an atom looked like

Ideas of the Greeks

460

This is a general idea of what the Greeks thought.

Newton

Jan 1, 1704

Dalton's Theory

Nov 1, 1803

This image contains the basic ideas of what Dalton and some of the first scientists thought about atoms. http://www.iun.edu/~cpanhd/C101webnotes/composition/dalton.html

John Dalton

Nov 1, 1803

Dalton proposed an spherical solid atoms . He based his ideas upon the measurable properties of mass. History of the Atomic Model

Dalton's Atomic Model

Nov 1, 1803

This image captures what Dalton thought the atom looked like.