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Jan 1, 1000
Democritus and Arostotle Atomic Theory
440BCE. Democritus said if you cut something to the smallist partical an atom can not be cut anymore. Aristotle disagreed and than is turned out that Democritus was right. -
Daltons Atomic Theory
Daltons stated Atoms of the same element are exactly alike. Also atoms of different elements are different. Daltons looks like a pool ball. -
Thomson's Atomic Theory
Thompson said that in Daltons theory had a mistake. Thomson discovered that unlike what Dalton said there were particals inside of the atom. Thomson used a cothode-ray to find electrons. Thomson's atom looked like a blob with electrons stuck on the out side -
Rutherford's Atomic Theory experiment
Rutherfords experiment Rutherford conducted a experiment with a beam shot at a thin peice of he gold.Behind the gold was a special coating. When the beam hit the coating it glowed. -
Rutherford's Atomic Theory
Rutherford performed a experiment that alowed him to discover that almost all of the mass of the atom is concentrated in the center witch is the e nucleus. -
Bohr's Atomic Theory
Bohr's atom video revised Rurtherford's atom. Bohr's atom was the electron revolving around the nucleus without losing energy also known as the planetary model. -
Schrodinger and Heisenberg
There website with factsThey say electrons can not travel in definite paths around the nuceus. And electron clouds are were your mostlikley going to find electrons.
