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Researched and named radioactivity

Won the Nobel Prize in Physics in 1903.

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1911-Discovered the proton
1908-1913-Conducted gold foil experiments, and discovered that atoms are made of a nucleus surrounded by an electron cloud

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He discovered the electron.

Won the Nobel Prize in Physics in 1906.

Won the Copley Medal in 1914.

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Proposed the idea that electrons sit on different energy levels rather than orbiting the nucleus freely.

Won the Nobel Prize in Physics in 1922.

Won the Copley medal in 1938.

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Created the first atomic theory which he declared atoms as unique and that an atom is a single particle with no sub-particle.

He was a corresponding member of the French Academie des Sciences and he also got a fellowship to the Royal Society.

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He proposed the concept that everything is made up of atoms.
Won the Nobel Prize in chemistry after his death in 1901 AD.

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Discovered the neutrino through his discovery that electrons are emitted in a continuous spectrum.
Discovered the neutron