-
101
Tholes 620 B.C
Thought everything was made of something -
101
Democritus 440 B.C
Thought of the atom -
101
Aristotle 372bc
things were made of earth, fire, air, water -
Sir Isaac Newton
Some as Democritus -
Henri Becqeurel
radio activity -
J.J Thomas
Discovered Electrons -
Gold Foil Experiment
Shot atoms at gold foil and some bounce back -
Rutherford
Gold Foil Experiment -
Bohr
he made Bohr model -
Rebert Millikan
Determining the charge and mass of a electron -
Francis Aston
Discovered Isotopes -
Sehrodinger
The Quantum Model