-
101
Thales- 620 BC
Inversitgated basic principles of the atom -
102
Democritus- 440 BC
First atomic Theory -
103
Aristotle- 340BC
Didn't believe in the Atomic Theory -
Newton
Matter is formed of solid massy impenetrable particles -
Dalton
Came up with the Atomic Theory -
Becquerel
The Discovery of RadioActivity -
Thompson
DISCOVERED ELECTRONS!!!!!! -
Millikan
Finds charge of a single atom -
Gold Foil Experiment
Alpha particles were fired through a thin slide of gold into azinc sulfide sheet -
Rutherford:)
discovered the nucleus and proton(: -
Bohr
Electrons have a path to follow -
Aston
Identifed isotopes leading to the invention of mass spectrograph -
Schrodinger
Used Math equations to find the probability an electron would be in a certain position -
Chadwick
DISCOVERED THE NEUTRON!!! (:
