History of Atomic Theory
By: Korbin Yahraes
Democritus Model(465BC)
Just a sphere, no added things like protons, electrons, or neutrons. beloved that there is many different types of atoms.
Aristotle Model(384BC-322BC)
Didn't belive in atomic theory, thought all things were made up of air fire water and earth.
Billard ball model(1803-1805)
Found impossible to devide or destroy atoms .
All atoms of same element alike.
Thomson-Plum Pudding Model(1904)
Atom tiny neutral body with both negative,y and positively charged particles.
Rutherford-Gold Foil Experiment (1911)
Found by shooting alpha particle at a piece of gold foil. Discovered most mass in center, leading to planetary orbit-like model.
Bohr-Rutherford Model(1913-1915)
Very similar to Rutherford model, has elections orbiting the atomic nucleus.
Modern atomic theory (2014-2015)
Involves at lot of complicated words and Maths. Best and most recent understanding of the atom,contributed to by many people.