Monday, October 14, 2013

Atoms Timeline

Aristotle: How the poser contradicted any front patterns? -He argued against the theories of Greek philosopher Leucippus of Miletus and his learner Democritus of Abdera in the 5th hundred B.C Contribution? -He believed that a piece of takings could be divided up an uncounted number of times. He suggested that everything in this world was made up of some crew of four elements: earth, fire, water, and air. The elements were acted upon by the two forces of gravitational force and levity. His speculation held two forces conflict and harmony. Aristotles theory was apply for just most 2000 familys, until after the scientific revolution. The year/century the stupefy was choose? -384 322 B.C. Henri Becquerel: How the model contradicted any previous models? -He compel scientists to change their brains about atomic structure. Contribution? -His discovery of radiation syndrome in uracil forced scientists to change their ideas about atomic structure. Radioacti vity demonstrate that the atom was neither indivisible nor immutable. The year/century the model was adopted? -1896 Niels Bohr: How the model contradicted any previous models? -Bohr made improvements to Ernest Rutherfords model with the implementation of Max Plancks new idea of quanta. Contribution?
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-He proposed that electrons existed at gravel directs of aught at better distances from the nucleus. If the atom absorbed energy, the electron jumped to a level that from the nucleus: if it lost energy it fell to a level closer to the nucleus. They year/century the model was adopted? -1913 mob C hadwick: Contribution? -Chadwick proved t! he introduction of neutrons. For his discovery, he was awarded the Hughes Medal of the gallant Society in 1932, and afterwards the Nobel Prize for Physics in 1935. The year/century the model was adopted? -1931 Marie & Pierre curie: Contribution? -Pierre Curie and his wife Marie Curie stated that hot materials cause atoms to pick up down...If you want to get a full essay, order it on our website: OrderCustomPaper.com

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