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Greek philosophers Leucippus and Democritus proposed the following model, which was the beginning of the atom.
1. Matter is composed of atoms separated by empty space through which the atoms move.
2. Atoms are solid, homogeneous, indivisible, and unchangeable.
3. All apparent changes in matter result from changes in the groupings of atoms.
4. There are different kinds of atoms that differ in size and shape.
5. The properties of matter reflect the properties of the atoms the matter contains. -
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He arrived at his view of atomism by way of meteorology. He kept daily weather records from 1787 until his death
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Ernest and a colleague introduced their disintegration theory of radioactivity, which claimed if radioactivity energy was emited at the same time, they caused a chemical change across elements.
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For their joint research into radioactivity, Marie and Pierre Curie were awarded the 1903 Nobel Prize in Physics.
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He discovered how to artificially induce a nucleur reaction in a stable element.
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He developed his revolutionary theory of electron waves
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He produced the paper that gave the foundations of quantum wave mechanics
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made his own principle of the Quantum Mechanics
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