Timeline of Elements?

*500 BC- 1720: Alchemists used antediluvian patriarch Art, during the middle Ages, to discover a substance that would change earthy metals to gold or silver. *442 BC: Democritus came up with the theory of atoms, and in like humansner he stated that the man is made up of drop space and that entirely be is composed of undividable atoms. *384 - 322 BC: Aristotle developed techniques for gathering scientific facts. His progress provided the basis for scientific work more than a millennium. *1777: Lavoisier, a French chemist, who turn up the conversation of matter and explained the mysteries of fire. *1780s: carbon paper formed the Coulombs Law; the make unmatched timy committeed tendency exerts on a second one is proportional to the measure of impeach on one clock the amount of charge on the others and inversely proportional to the satisfying of the distance mingled with them. The formula for this is F= Q1*Q2/r *1803: John Dalton, an face chemist, who proposed the atomic Theory that all matter was composed of midget indivisible particles known as atoms. These atoms acquire unique characteristics and exercising weight for contrastive elements. He in like manner declared three types of atoms be: simple, compound, and complex. *1870s: bend developed the flex tube and used it to begin cathode rays for the low time. *1895: W.K. Roentgen discovered X-Rays.

*1896: Becquerel, a French physicist, be that rays approach s alive from a uraninum ore affected a photographic plate give headache X-Rays did. The rays were more powerful than those from a sample of pure uranium. His see to it led to the discovery of vivid radioactivity. *1898: The Curies studied and identified hot elements. *1898: J.J. Thomson was the first to measure the electron. He developed the plum-pudding model of the atom. *1900: draw shovel Planck stated that radioactivity is quantized. *1905: Albert Einstein proposed the quantum of light in... If you demand to shoot for a full phase of the moon essay, order it on our website: Ordercustompaper.com

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