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The Alchemists developed the theory that all metals are composed of mercury and sulfer and is possible to change base metals into gold.
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Developed the atomic theory of the universe. His atomic theory anticipated the modern principles of the conservation of energy.
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Plato was so impressed with this discovery that he was convinced that atoms of matter must derive from these five fundamental solids.
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His theory was that mass of incomprehensible size everywhere, he called it "hyle"
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Robert Boyle is known as the "The Father of Chemistry" for his discovery that atoms must exist based on the relationship between pressure and volume of gas.
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clarified the concept of an element as a simple substance that could not be broken down by any known method of chemical analysis.
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Dalton's most important Contribution
to science was his theory that matter
is composed of atoms of differing weights
combine in simple ratios by weight. -
Created the first periodic table of elements. He said there are still more elements to be discovered that are to be added to the periodic table.
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Known for discovering electrons, isotopes, and inventing the mass spectrometer
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Known for is accurate measurement of the charge of the electron
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Established the relationship between atomic number and the charge of the atomic nucleus.
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Pierre Curie and his wife Marie Curie said that radioactive materials cause atoms to break down.
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He calculated the behavor of
electrons around the atom with
uncertainty Principle. -
British physicist, who become a Nobel
laureate for his pioneering work in nuclear
Physics and for his theory of the structure
the atom. -
Creator of the special and general theories of relativity and for his intelligent hypothesis concerning the particle nature of light.
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He made numerous contributions to our understandings of atoms structure and quantum mechanics.