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Democritus (400 BC)
All things are made up of atoms. If you keep breaking something down you will eventually get to the atom.
"Democritus." The-History-of-the-Atom -. N.p., n.d. Web. 26 Feb. 2014.
"GaggleTube Video - Discovery of the Electron: Cathode Ray Tube Experiment." GaggleTube Video - Discovery of the Electron: Cathode Ray Tube Experiment. N.p., n.d. Web. 27 Feb. 2014. -
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Aristotle 430 BC
thought all elements were made of Earth, fire, and wind. "GaggleTube Video - Discovery of the Electron: Cathode Ray Tube Experiment." GaggleTube Video - Discovery of the Electron: Cathode Ray Tube Experiment. N.p., n.d. Web. 27 Feb. 2014. -
Dalton
discovered that elements consist of tiny particles called atoms.
used quantitative mesurements
called Daltons Model Glogster Home Page." Glogster. N.p., n.d. Web. 27 Feb. 2014
"GaggleTube Video - Discovery of the Electron: Cathode Ray Tube Experiment." GaggleTube Video - Discovery of the Electron: Cathode Ray Tube Experiment. N.p., n.d. Web. 27 Feb. 2014. -
Thomson
not indevisable and made of electrons
used experiments
called the plum pudding model
"GaggleTube Video - Discovery of the Electron: Cathode Ray Tube Experiment." GaggleTube Video - Discovery of the Electron: Cathode Ray Tube Experiment. N.p., n.d. Web. 27
Feb. 2014. "Atomic Structure." Atomic Structure. N.p., n.d. Web. 26 Feb. 2014. -
Rutherford
Discovered atoms have a nucleus and is postively cahrged in middle
Used experiments to discover this
Called the "Nuclear Model" or "Rutherford Model"
N.p., n.d. Web
"GaggleTube Video - Discovery of the Electron: Cathode Ray Tube Experiment." GaggleTube Video - Discovery of the Electron: Cathode Ray Tube Experiment. N.p., n.d. Web. 27 Feb. 2014. -
Bohr
discovered electrons spin around nucleus in an orbit
used experiments to find this
Called "Bohr Model"
"GaggleTube Video - Discovery of the Electron: Cathode Ray Tube Experiment." GaggleTube Video - Discovery of the Electron: Cathode Ray Tube Experiment. N.p., n.d. Web. 27 Feb. 2014. -
Heisenburg and Schrodinger
electrons base around the atoms like flies 2 particle in nucleus
used experiments to discover this
called the "Qauntum Mechanical Model"
"GaggleTube Video - Discovery of the Electron: Cathode Ray Tube Experiment." GaggleTube Video - Discovery of the Electron: Cathode Ray Tube Experiment. N.p., n.d. Web. 27 Feb.
2014. The Cloud Model." The Cloud Model. N.p., n.d. Web. 26 Feb. 2014.