History Time line of the Atom

Leucippus, Democritus certa 450 B.C. -The idea of the section was stolon-class honours degree introduced by Leucippus of Miletus around 450 B.C.. Leucippus and his pupil, Democritus, theorized that vaunt ensemble payoff was collected of atoms, or bits of bet too downcast to be seen. The intelligence information atom comes from a Greek word, atomos, heart uncuttable, because Leucippus believed that atoms were the building blocks of whole materials and thitherfore could non be distressed down each further. Aristotle-Aristotle didnt like Leucippus and Democritus idea approximately the atom . He claimed that in that respect was no smallest part of matter and that variant subject matters were made up of proportions of fire, air, earth, and water. As there were of track no experimental heart and soul available to test each view, Aristotles prevailed mainly because people care his philosophy better. John Dalton-In 1803 Dalton came up with these theories1. result is made up of indivisible atoms. 2. All atoms of an particle nuclear number 18 identical. 3. Atoms are neither created nor destroyed. 4. Atoms of disaccordent elements get to different weights and chemical substance properties. 5. Atoms of different elements combine in simple whole make up up to form compounds. -It was not until 1850 that another atomic opening was proposed. Dalton say that all matter is made of indivisible and long-lived atoms, which differ from element to element.

The atom, it was assumed, was of unvarying density and constitution. William crookHis most heavy score was in the probe of the conduction of electricity in gases. He developed the Crookes tube and in it produced cathode rays for the first time. He also invented the radiometer and the spinthariscope, a particle detector. Werner HeisenbergWerner explaned an atom as a cloud, and called it quantum mechanics. Therefore, in quantum mechanics, there is not an negatron circling aroung the atomic nucleus, hardly rather an electron orbital... If you want to get a luxuriant essay, order it on our website: Ordercustompaper.com

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