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Did not follow Democritius' theory and beleived in reasoning instead of scientific experimentation.
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Atomic Theory revolved around atoms that are prresent in the atomosphere. Theory explains the esistance in atoms and its features. Attempted to create Materalism.
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Total Mass of a product of chemical reaction is always the same thing as the total mass.
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Created the Law of Constant Composition.
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Atomic Model is one of the fundamentals of Physics and Chemistry.
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Discovered that Cathode Rays are small streams of electrons observed in vacuum tubes.
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Theorized that atoms have their positive charge concentrated in a very small nucleus. Also known for coining the terms of Alpha Ray and Beta Ray.
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Worked on an Oil Drop experiment. This measured the charge on a single electron. He had already discovered the charge to mass ratio of the electron.
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Introducted the theory of electrons traveling in orbits around the atom's nucleus. Considered the term of sationary orbits for the electrons in that there is more than one level of orbit.
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Created the Schrodinger Wave Equation. Equation that describes how the quantum state of a physical system changes in time.