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Proposed that ideal genometric forma serve as atoms
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He proposed that atoms are indestructible
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The volume of gas inversely proportional to pressure exerted by the gas
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Defining the law of conservation of mass -
demonstrated that the atoms in radioactive materials disintegrate, so that the atoms of a radioactive element are transformed into another element
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He came up with the first atomic theory of all matter is made of atoms, that you cant see
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Made the periodic table based of atomic weight and number -
All atoms contain tiny negatively changed particles or electrons.
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Discovered the isolation of radium, which provided science with a method for isolating and purifying radioactive isotopes.
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mathematically proved the existence of an atom. -
Falling drop method proved that quality was constant for all electrons and precisely determining the magnitude of the electron's charge -
Postulated the nuclear stuckture of the atom discoved alpha and beta rays and proposed the laws of radioactive decay
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The frequencies are proportional to the squares of whole numbers are equal to the atomic number plus a constant.
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Work on structure of atoms and he created the Bohr model, the most widely accepted model of the atom. -
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