-
100
The Alchemist 400 BC
The more respected but wrong theory on chemistry -
100
Democritus 430 BC
First philosopher to began search of matter. named the smallest piece of matter atomos -
100
Plato 400 BC
greek philospher with the ideas of alchemy -
Period: 100 to
Timeline
years of Atomic Study -
Robert Boyle
gave the foundation of the compoud -
Lavoisier
he discovered that all mass conseved to the next in a chemical reaction -
John Dalton
chemist who led to the acceptance of atoms -
JJ Thomson
english scientist who first learnded that atoms where composed of something smaller. developed the plum pudding model -
dmitri mendeleev
russian scientist who developed the periodic table of elements -
The Curies
discovered the radioactivness of atoms -
Plum Pudding Model
J.J. Thomsons proposed atom model -
Albert Einstein
german physist who famously came with energy mass equation and relativity -
Ernest Rutherford
experiment with the discover that atoms are empty space -
Neil Bohr
Neils Bohr proposed a model improvement
The Bohr Model -
Solar System Model
Rutherfor-bohr model -
Henry G.J. Mosely
Developed X-ray spectral for the study of atomic structure -
Electron Model
an theoretical model that shows where the electrons are in the atom
