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Proposed his modern theory of atom. He said that:
1 - Elements are made of extemely small particles, called atoms
2- Atoms of a given element are identical in size, mass, and other properties; atoms of different elements differ in size, mass, and other properties.
3- Atoms cannot be subdivided, created, or destroyed.
4- Atoms of different elements combine in simple whole-number ratios to form chemical compounds.
5- In chemical reactions, atoms are combined, separated, or rearranged. -
He did some contributions science on the subject light. He figured out the wave theory of light.
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At a specific temperature and pressure equal volumes of two gases will contain the same number of atoms.
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First person to investigate cathode rays
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JJ Thomson identified the existance of electrons. His theory stated that atoms were round. Plum pudding model
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He found a way to prove atoms exist by using his quantum physics theories
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During the gold foil experiment rutherford found the nucleus and named the proton
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Based on Rutherfords model he applied quantum theory assuming electrons moved in stationary orbits.
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He provided a experimental evidence to Niels Bohr's theory,
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Contributed to Quantum Theory
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He developed the thesis to wave mechanics.
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He made a mathematical model using a combination of wave behaviour equations and Louis de Brogile equations.
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He discovered the Uncertainty Principal which states that excact location and energy of an electron can not be determined.
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Proved the existance of neutrons
