Free Tellurium Essays and Papers

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Free Tellurium Essays and Papers

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    I plan to educate those who read this paper on what they might not know of a few of our elements. I will tell you what I have learned over the oxygen group on the elemental table. I will talk about Oxygen, Sulfur, Selenium, Tellurium, and last but not least Polonium. These elements have changed our way of life and history in ways you might not know. We are surrounded by these elements in our daily life and they make us the way we are. I hope to teach you and answer some questions about these elements

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    Chemistry: The Oxygen Family

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    Also known as the oxygen family, chalcogens are sulfur (S), selenium (Se), tellurium(Te), and polonium (Po). Oxygen (O) is also in group 16, where chalcogens are located on the periodic table. While it is defined as a chalcogen, oxygen and oxides are often separated from chalcogens because its chemical behavior is much different than that of the other elements in the group. The other elements in the group show similar patterns in their electron configurations resulting in similar chemical behavior

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    The Importance of the Chalcogens

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    noticed as often as the other groups. However, this should not happen because the chalcogens, also known as Group 16, are very important in society and to the functioning of humans and all living things. Characterized by oxygen, sulfur, selenium, tellurium, and polonium, the chalcogens are similar in build and function but all provide different vital needs for humans and other beings on earth. They are very important, and should not be overlooked. First, a brief introduction of each of the individual

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    In chapter 13 of the Disappearing Spoon titled "Elements as Money" The author Kien talks about the value of the elements in terms of money and says the difference between the items that are sold more or less because of the value of it uses. It tells a myth of Midas, the king of, what is now called Turkey, Phrygia and how he had obtained the ability of being able to convert anything that would touch in gold. He was not able to control this power of his and eventually turned his own daughter into gold

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    Metalloids Essay

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    of lead in shotgun shells, and as a dopant, because metalloids are semiconductive, Antimony could be used in making bells, tools, printing presses, batteries, alloys, bullets, and cable sheathing. Furthermore, Tellurium is used to build electronics and make metals easier to cut. Tellurium is also used in coloring glass, porcelain, enamel, and ceramics. Lastly, Germanium is used in fluorescent lamps, infrared spectroscopes, and infrared detectors. Together, metalloids have many applications that can

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    Atomic Structure, Moles and Periodicity

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    Atomic structure, Moles and Periodicity The Periodic Table is guidance or map to access different elements specific information, such as: atomic mass, isotopic richness, nuclear spins, electronic configuration and the position of elements belong to which group and period in table. Over the past decades there were many Scientifics which help to improvement of Periodic table but few of them made the most influence and contribution on Periodic table such as : Johann Dobereiner ,John Newlands ,

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    The periodic table was first discovered about 200 years ago. In 1869, a Russian chemist named Dmitri Mendeleev separately published results which supported the ideas of periodicity suggested a few years earlier by John Newlands. Mendeleev arranged the 60 or so elements known to him in order of increasing relative atomic mass. His first table showed that elements with similar properties fall in the same vertical column. These columns of similar elements are called groups and the horizontal rows of

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    Selenium Research Paper

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    made the discovery of the element Selenium. In 1817 Berzelius was analysing a red deposit found while producing sulfuric acid using cooper. Through examination of its properties Berzelius concluded that it was a new element similar to Tellurium and Sulfur. Tellurium was named after and with reference to the earth, so it was decided that the new element Selenium would be named after the moon goddess, Selene (Terry, Diamond, 2012). In the 1930’s Selenium was mostly known for it toxicity effects in

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    The machinability of copper and copper alloys is improved by lead, sulfur, tellurium, and zinc while it deteriorates when tin and iron are added. Lead in brass alloys with concentrations around 2 wt%, improves machinability by acting as a microscopic chip breaker, and tool lubricant, while they increase the brittleness of the

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    [IMAGE] A BRIEF HISTORY OF THE DEVELOPMENT OF PERIODIC TABLE Although Dmitri Mendeleev is often considered the "father" of the periodic table, the work of many scientists contributed to its present form. [IMAGE] In the Beginning A necessary prerequisite to the construction of the periodic table was the discovery of the individual elements. Although elements such as gold, silver, tin, copper, lead and mercury have been known since antiquity, the first scientific discovery of

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