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  Called the particles of a matter atoms.
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  Formed an atomic theory.
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  Discovered electrons and isotops.
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  Albert Einstein developed his mass-energy equation E=mc2
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  Use gold-foil experiment to state the mass of an atom.
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  To probe the stucture of the atom performed by Hans Geiger and Ernest Marsden.
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  Stated the electrons moved around the nuclius.
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  Introduced the Schrodinger equation.
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  Discovered the neutron
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  The atomic bomb was dropped on japan in 1945.
