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Ernest Rutherford Research Paper

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More than two thousand four hundred years ago, Democritus produced the theory that all matter contains tiny particles called atoms that are indestructible. Fast forward to year 1803 when scientist John Dalton stated new ideas that all atoms of a single element are identical in size and mass, atoms of specific elements have a different structure than those of other elements, and during a chemical change, atoms are able to separate and combine. Now go back 106 years from today and meet scientist Ernest Rutherford. Ernest Rutherford was conducting his gold foil experiment when he discovered what is known to be one of the greatest discoveries about the atomic theory. Rutherford produced a model of the atom with a dense nucleus in the center and electrons orbiting around it, he gave future scientists a better understanding of an atom, and he discovered two types of radiation. …show more content…

This was known as the “plum pudding” model. Ernest Rutherford put his hypothesis to the test in 1911 when he conducted the gold foil experiment. During this experiment, Rutherford blasted a sheet of gold foil with alpha particles and to his surprise, a few particles were rebounded and deflected back. This lead to his conclusion that there was a nucleus in the center of each atom which was causing the deflection of the particles. Rutherford once said, “We are rather like children, who must take a watch to pieces to see how it works”. His experiment and his quote connect like an analogy, where he took the previous idea of an atom and conducted an experiment in order to see how the atom really

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While others thought it was a waste of time he found “As we know today, when a beam of electrons strike an atom, the beam punches out the atom’s own electrons, leaving a hole, Electrons are attached to an atom’s nucleus because electrons and protons have opposite charges, and tearing electrons away from the nucleus is a violent deed” (Kean123). Mosely began to fine tune and hunt for the missing elements, creating the atomic number, determining

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On October 4th, 1822 in Delaware, Ohio the nineteenth president of our United States of America was born. After winning one of the most controversial presidential elections in history, Rutherford B. Hayes was secretly sworn into office, becoming the first president to take his oath in the White House. While only serving only one term in office (1877-1881) Hayes made incredible strides in Civil-Rights laws, results of which wouldn’t be seen until the next presidency, also dealing with the time after the Civil War, otherwise known as the Reconstruction period, and rebuilding a new America. The fifth child in the marriage of Rutherford Hayes Jr., who ran a whisky distillery, and Sophia Birchard Hayes, his fathers namesake Rutherford

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Rutherford Birchard Hayes, the nineteenth president of the United States of America had many profound accomplishments before setting out on the campaign trail in 1876. Rutherford was born on October 4, 1822 in Delaware, Ohio, by his mother Sophia who had lost her husband, Rutherford’s father ten weeks earlier. Rutherford grew up in a house full of love and faith, which helped to smooth the rough times of growing up without a father, as well as losing two siblings. Rutherford earned the nickname “Rud” as he was growing up in Delaware, unable to play and socialize with other kids his age until he was seven years old due to his frail and unstable health in early years. With Rud couped up around the Hayes household for many of his early years,

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Rutherford Calhoun is a man who finds himself being blackmailed into marrying Isadora Bailey. Because of this, Rutherford boards the Republic as a stowaway, which he later finds out is a slave ship. After loading Allmuseri tribespeople, they revolt and take over the ship. Only little crew survive, but they are soon rescued by a ship called the Juno.

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In the early 1900’s, Robert Millikan started studying the charge of an atom. He wanted to know whether there was a smallest unit of electric charge and if so, what is this charge and what is its magnitude in Coulombs. In order to test this he took small oil droplets and put them through an atomizer which ionized the oil droplets. He then placed the oil droplets in a closed system between two oppositely charged plates with the negatively charged plate on top. In order to figure out the value of ‘e’ (elementary charge) he had to find the electric force of the fields.

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His vitreous fluid corresponds to what we now call positive charge, and the resinous fluid is now termed negative charge. Charge Carriers More than one hundred years after the work of Benjamin Franklin, the secrets of the atom itself began to be revealed. Moreover, in 1897, J.J. Thomson discovered the electron. Soon after, it was determined that these charged particles existed in all atoms and that a countercharge, carried by some other part of the atom, was necessary to make the overall charge of the atom neutral. In time, the proton was determined to carry this charge.

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As flapper girls with chic haircuts kicked off their dancing shoes, the night and the roaring twenties coming to an end, a tall, slender Englishman by the name of James Chadwick sat hunched over in his lab, working to find a particle that no one, not even the world’s most brilliant minds of his time, was sure existed. His name was James Chadwick and for nearly a decade, he had been trying to prove the existence of neutral particles in the nucleus of the atom, neutrons. As the new decade began, Chadwick still had no tangible evidence proving his neutrons, and maybe he never would have if not for the work of Irene and Frederic Juliot-Curie. The two scientists had performed an experiment where they bombarded alpha particles at beryllium, producing

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Investment banking is an extremely competitive field. 166,000 investment bankers are employed around the world as of 2012. Even though it is an extremely populated industry, it has not been around long. 100 years ago no one knew what investment banking was. Of course, it existed, but it was not a common occupation.

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Earnest Rutherford began working in the early 1900s toward an atomic model and Geiger joined him in 1908. It was this work that prompted the development of the now-famous Geiger Counter as they studied and recorded alpha-particles, which contributed greatly to his atomic model. This work led to Earnest Rutherford receiving the 1908 Nobel Prize for

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In this he showed also that this definite range, or “stopping power”, of a substance is proportional to the square root of its atomic number, and was the first to distinguish between four groups of alpha particles—those emitted by radium, radon, RaA, and RaC. Henry’s work continued with the study of the ionization of gases by alpha particles, and earned him a fellowship of the Royal Society of London. It should be noted that all of Henry’s initial work however was not all glory, as he became a center of controversy for several years concluding that X-rays and gamma rays were not electromagnetic waves, but rather streams of neutral particles. As experimental evidence arose which was in clear opposition, however, he of course adopted the new understandings. Nonetheless, Henry’s contributions had already earned him respect in the worldwide science community. In 1909, Bragg left his position at Adelaide to become the Cavendish Chair of Physics at the University of

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1803 AD John Dalton. The English chemist , Dalton, performed experiments proving that matter did consist of basic particles-atoms-just like Democritus theorised. These experiments were designed to prove that elements compounded together will have fixed ratios. Dalton’s theories on atom indivisibility, and identity of element’s

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The power of one, Without Nikola Tesla there would be no working light bulbs, poorly working electricity, no robotics, and the worse of them all is without Tesla the power of one inventor it would be nearly impossible to charge your iPhone. But it may come to you as quite a shock, but you were lucky to have this inventor alive to invent and change the world with his compassionate, determined, and inventive behavior. Few people recognized his name until after Elon Musk created and funded Tesla, the car company. He was possibly the greatest inventor and power of one figure the world has ever known because of his motives and incentives.

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“Today’s scientists have substituted mathematics for experiments, and they wander off through equation and equation, and eventually build a structure which has no relation to reality” -Nikola Tesla, Modern Mechanics and Inventions, July, 1934 (“The Quotations Page”). Considered as one of history’s leading inventors Nikola Tesla is mostly known for leading the world into the electrical age. Inventing the products used widely around the world, while never getting presented with the credit for his contributions.

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