Atomic Theory
The Scientists who made it work.
The First Scientist Democritus.
Democritus was a Greek philosopher who first proposed the idea of a ultimate particle. He called this idea Atomos.
Next to the Plate Arisotle.
Arisotle believed the world consisted of fire, water, earth, and air. Although this is obviously not the case he also taught that any matter could be continusley divided forever. We call this Theroy the Continuum.
Dalton
Responsible for the Law of Multiple Proportions which led to the proposal of the Atomic Theroy in 1804.
The Dr. J J Thomson
Thomson identified negativitly charged electrons and invented the charge to mass ratio.
Ernst Rutherford
Rutherford proposed the idea of the Nuclear Atom and also proposed that all the positive charge in a atom was in it's core.
Neils Bohr
Neils Bohr was one of the most significant scientists in Atomic Theroy's history.
He believed that the electrons in a atom orbited it and when atoms bonded the electrons merged. He won a Nobel prize for this discovery.
The Modern Tomic Theroy
James Chadwick
James Chadwick discovered the existence of neutrons in atoms working with Rutherford.