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All metals are composed of mercury & sulfur. It is possible to change base metals into gold
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Discovered atoms are held together by souls
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his theory was that a mass of incomprehensible size was everywhere
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he found out that the existence of atoms based on the relationship between pressure and volume of gas.
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Discovered the role oxygen played in combustion
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Introduced atomic theory into chemistry
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formulated periodic law & started the periodic table of elements
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They discovered radioactivity.
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Helped develop quantum mechanics
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Determined major properties of elements are determined by the atomic number
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Discovered the electrons and made the plum pudding model.
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discovered radioactive half life
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determined magnitude of the electrons charge
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He realized electrons did not crash into the nucleus
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Created quantum mechanics