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First proposed of the idea of the atom
Atom: a substance made up of tiny indestructible invisible particles
He started the continuing study on atoms and its characteristics -
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Proposed the atom is spherical solid atoms based upon measurable properties of mass.
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In the 1830's, Michael Faraday, a British physicist, made one of the most significant discoveries that led to the idea that atoms had an electrical component.
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J.J. Thomson discovered the electron by experimenting with a Crookes, or cathode ray, tube. He demonstrated that cathode rays were negatively charged.
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In 1913 Bohr proposed his shell model of the atom to explain how electrons can have stable orbits around the nucleus.
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James Chadwick discovered neutrons, particles whose mass was close to that of a proton.
