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Brief Summary And Video Analysis

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In 460 B.C. the idea about the atom was floating around but no one seemed to care about it until the 1800s when the question about the atom came up again. How did the atom work? What was an atom? Was there even evidence? No one knew until a chemist named John Dalton came along and tried to figure it out. Then along with him came many other scientists trying to figure this out for the world. Together all of these scientist discovered the atom! The nucleus, the neutrons, the protons, and the electrons were all discovered by these scientist together and when it all came together, all the questions were answers and the atom was figured out. The first person to question the atom was Democritus he came up with the theory that “everything is composed …show more content…

In the video (Source 1) he teaches him by just simply drawing the atom but in class we learned it with how each scientist discovered a piece of the atom and then it was all put together. The one thing that is the same between what we learned in class and this video is that in the end we learned the charge of each and their names. The difference between the video and class is that we learned much more than just their names and charge. This analogy in the video does accurately describe the structure of the atom and relationship between the subatomic particles and it shows a well drawn picture of it. In the video he says that the neutrons and electrons do not like each other which is not true if he wanted to explain a group that does not like each other he should have said that the protons and electrons do not like each other because they have opposite charges one, protons are positive and electrons are negative. When the protons needed help because the electrons were orbiting them they called on a neutral group named the neutrons because neutrons have a positive charge. Other than that the analogy made was good, it was simple but simple is good because it was easy to

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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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Atoms are made up of three basic components: Protons, Neutrons, and Electrons. The proton particle carries a positive charge while the neutrons carry no charge(neutral). When combined, the protons and neutrons make up the central part of the atom also known as the nucleus. The electrons carry a negative charge and its role is to circle around the nucleus. Each atom also has a unique number of both protons and neutrons that is known as the atomic number.

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Where as, electrons are negatively charged(Doc.3).The neutron is the dense middle of the atom(Doc.3). The protons and neutrons in the atom are in the nucleus(Doc.3). However, the electrons preside in electron clouds outside the nucleus(Doc.3). To sum up, an atom is a small structure that defines what an element is and

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These were Atomic physicists (OI ). For example, Robert Boyle suggested that the smallest chemical elements were the simplest forms of matter (Doc. 1). Also, ancient, greek philosophers Leucippus and Democritus were the first to discover atoms. Many others were devoted to the study of atoms, and gave many ideas of what atoms were. Also, due to the study of atoms, a scientist named Henri Becquerel stumbled upon radioactivity.

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Who discovered it? How did they discover it? It was not Thomas Jefferson and it was not George Washington, so who was it? On the 17th of January 1706, a man by the name of Benjamin Franklin was born.

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Electrons were assigned the negative charge and the protons are assigned the positive charge. Although electrons carry the same amount of charge as a proton, they are much, much smaller furthermore they are in orbit around the nucleus, rather than in the nucleus itself. Experiments show that electrons that are orbiting very close to its nucleus is tightly held there by the strong positive charge flowing out of the center of the atom. However, electrons in outer orbits can sometimes be removed by frictional processes such as rubbing. Charged atoms.

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