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He first proposed the existance of an ultimate particle.
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Proposed an "atomic theory" with spherical solid atoms based upon measurable properties of mass.
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Proposed the perodic law asnd developed the first periodic table
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Studied "canal rays" and found they were associated with the proton H+ .
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Determined the unit of charge of the electron
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publishes his atomic theory describing the atom as having a central positive nucleus surrounded by negative orbiting electrons.
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Discovered Moseley's law is an empirical law concerning the characteristic x-rays that are emitted by atoms.
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He is best known for his uncertainty principle, which restricts the accuracy with which some properties of atoms and particles--such as position and linear momentum--can be determined simultaneously
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discovered a third type of subatomic particle, which he named the neutron.
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Edwin Schrodinger stated that rather than electrons being distributed within an electron configuration of shells and energy levels, they were arranged in orbitals which were systematically distributed within Electron Clouds.
