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called particles of matter atoms
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proposed atomic theory as sperical solid masses in motion.
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described an atom as a ball of positive charges containing a munber of electrons
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determined that the nucleus of the atom is very dense and has a positive charge
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explained the atomic structure of an atom as "successive orbital shell of electrons."
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identified the electron cloud model as the probable location of moving elements.
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discovered the neutron
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Cockroft and Walton were the first people to split the atom.
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The manhattan project was an underground project formed by the U.S. to create the atomic bomb.
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The atomic bomb was dropped on Japan to end WWII.
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A nuclear reactor accident caused the plant to explode.
