Euclid's Elements

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    Beryllium Research Paper

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    Properties; Beryllium is a toxic bivalent element; with a steel gray metallic look to it. Beryllium is also a durable, lightweight element. Primarily used as a hardening agent in alloys. It has one of the highest melting points of the light metals. With the atomic number of 4, and being classified within the group of alkaline earth metals. The element is nonmagnetic and resists oxidation when exposed to air at standard temperature and pressures. It’s also found in over 30 different minerals; for…

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    are some risks, the reward undeniably outweighs them. Iridium-192 has a half-life of approximately 73 days, and it decays into Platinum-192. This is because radioisotopes undergo radioactive decay, which means they slowly break down because the element has an unstable nucleus. During Iridium-192’s decay process, it undergoes a nuclear change, transforming…

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    To start we will be looking at blood’s role in distribution of lead. Blood plays a major role in the distribution of lead even though it has a tendency to carry a small fraction of the total amount of lead present in a body. This is due to the fact that blood is constantly circulating and coming into contact every single part of the human body. Lead found within the blood system on average has a half life nearing only 1 month. Next is distribution and storage through the accumulation of many…

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    Chicago Skyline Analysis

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    This sculpture is composed entirely of a series of sets of four vertical metal beams, connected horizontally by shorter beams, along the museum passageways in the fashion of a ramp. Corresponding structures on opposite sides of the passages converge near the ceiling at an acute angle, creating what appears to be the perimeter of a triangle without a base, when viewing from the mouth of the artwork. These frameworks are visually similar to elongated strips of windows, due to the quadrilaterals of…

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    What is Xican@ Indigeneity? In order to define this phrase, it is important to look at each individual term. Each word, Xican@ and Indigeneity, is complex within itself, because they contain a lot of history and require much understanding. Therefore, learning, understanding, and defining each term would give us a better comprehension of what the phrase means as a whole. That being said, the real questions are: What is Xican@? What is Indigeneity? And how do the words relate to each other?…

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    Selenium: The Essential Element Introduction Over the years, selenium is known to be the essential element in all forms of life. Selenium is a metalloid belonging to the block p, group 16, period 4. It is a gray metallic rare element widely distributed within Earth’s crust which has an atomic number of 34 and a symbol “Se”. Selenium was discovered in 1817 by Jöns Jacob Berzelius and Johan Gottlieb Gahn after analysing an impurity contaminating the sulphuric acid being produced by a factory…

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    being in an s, p, d, or f orbitals. The number of protons in an atom being called the atomic number. The mass number is the same number of particles in the nucleus. Leucippus then had the thought that everything in the universe was made up of elements that could not be broken down. The term atomon was used to describe how atoms could not be…

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    Rare Earth Research Paper

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    Gadolinium 's element symbol is Gd with an atomic number of sixty four. Its atomic weight is 157.25 AMU. It is grouped with the Lanthanides, it has a melting point of 1313 degrees Celsius and it has a boiling point of 3273 degrees Celsius. Gadolinium is a soft silvery metal that reacts with oxygen and water. In nature the element occurs as a mixture of six stable isotopes gadolinium 158, 160, 156, and 157,155,154,152. The…

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    Of the most abundant elements together 98 percent of the 8 elements form the mass of the earth’s crust, ocean and atmosphere. Two of the most abundant elements of the eight are calcium and magnesium. Calcium and magnesium are located on the periodic table located both in group 2 sharing the same family meaning that they share chemical property’s as well as the same valence electron because of their location and family relation to the period table. The alkaline metals are a reactive group of…

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    Hydrogen Essay

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    of about 28 other elements including, Potassium, Sodium, and Calcium. Each plays a major role on the daily functions of the human body. Oxygen accounts for roughly about two-thirds of the mass of the human body and is use in cell respiration. Carbon is part of the molecular structure in certain fats, proteins, and carbohydrates; which are essential for human health. Nitrogen is only about three percent of the mass of the human body and yet is the fourth most abundant element found in the…

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