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Discovered the atom.
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Believed-
1. Atoms are indivisable and indestructible.
2.All atoms are of a given element are idential in mass and properties
3.Compunds are formed by a combination of two or more different kinds of atoms.
4. A chemical reaction is a rearrangement of atoms.
5.Atoms can be neither created nor destroyed. He claimed that atoms look like spheres, with each elemont having its own size. -
Proposed that electrons-
1. Orbit the nucleus without losing energy.
2. could only move in a fixed orbit of specific energies. -
Discovered the neutron.
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Won the Nobel prize in Physics.
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Found out that Thomson's model of the atom was incorrect. Discovered the proton.
