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The universe and all matter obey the following principles: Everything is composed “ atoms” which are physically, but not geometrically, indivisible .
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Study of the burning process, he proposed the Combustion Theory which was based on sound mass measurements.
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Best known for his discovery of the law constant composition.
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That all matter is made of Atoms.
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He thought that all materials on Earth were not made of atoms, but of the four elements, Earth, Fire, Water, and Air
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main discoveries include those of electromagnetic induction, diamagnetism and electrolysis.
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Discovered Radioactivity.
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Discovered the electron by experimenting with a Crookes, or cathode ray, tube.
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Discover Radium and Polonium
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German theoretical physicist who originated quantum theory.
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For the theory of relativity, which laid the basis for the release of atomic energy
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Well known gold foil experiment in which he demonstrates that the atom has a tiny, heavy nucleus.
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Hydrogen atom based on quantum theory that energy is transferred only in certain well defined quantities.
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The measurement of the elementary electronic charge and for his work on the photoelectric effect
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Bombarded beryllium atoms with alpha particles.