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He discorvered that the atom was invisisble. He based his discovery on natural occureneces. "Democritus - Biography." Democritus. The European Graduate School, n.d. Web. 11 Feb. 2015.
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Thing can be broken into elements on the periodic table. He used experiaments to find how things reacted. "What Dalton Discovered." Dalton's Model. Boise State, n.d. Web. 24 Feb. 2015.
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Atoms consist of subatomic parcticles called protons and electrons and they are positivly and negativly charged. He used the Gold Foil Experiment. "What Thompson Discovered." Thompson's Model. Boise State, n.d. Web. 23 Feb. 2015.
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Atoms mass is concentrated in the tiny nucleous. He used the Gold Foil Experiment and shot alpha parcticles. "Rutherford Model of the Atom." Rutherford Model of the Atom. Indiana University Northwest, n.d. Web. 19 Feb. 2015.
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Electrons could only travel in a certain set or orbit around the nucleous. He used math. "What Bohr Discovered." Bohr's Model. Boise State, n.d. Web. 25 Feb. 2015.
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Make a mathmatical equation describing the wave line behavior. He used a two-split Experiments. "Heisenberg - Quantum Mechanics, 1925-1927: The Uncertainty Principle." Heisenberg - Quantum Mechanics, 1925-1927: The Uncertainty Principle. Boise State, n.d. Web. 25 Feb. 2015.
