Part One (Flame Test) 1. Create and complete a data table for Part One of the lab. It should include the name of the element (or unknown) examined and the color of the observed flame. Solutions Names Known 1 Barium Known 2 Calcium Known 3 Sodium Known 4 Rubidium Known 5 Potassium Known 6 Lithium Unknown 1 Sodium Unknown 2 Potassium 2. Identify each unknown from Part One of the lab and briefly explain why you identified each unknown as you did. The first unknown from part one from this virtual lab
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ISOTOPES History of the term: In the bottom right corner of JJ Thomson’s photographic plate are the separate impact marks for the two isotopes of neon: neon-20 and neon-22. The term isotope was coined in 1913 by Margaret Todd‚ a Scottish physician‚ during a conversation with Frederick Soddy (to whom she was distantly related by marriage).[4] Soddy‚ a chemist at Glasgow University‚ explained that it appeared from his investigations as if each position in the periodic table was occupied by multiple
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Assessment 1) Describe the difference between ionic and covalent bond. Ionic bonds have electrostatic forces that hold cations and anions together‚ and are electronic neutral. Covalent bonds are bonds that don’t give or take any electrons. In stead they share the elctrons 50) Which of these compounds contain elements that do not follow the octet rule? Explain. a) NF3: 5 + (7*3) = 26 b) PCl2F3: 5 + (7*2) + (7*3) = 40 c) SF4: 6 + (7 *4) = 24 d) SCl2: 6 + (7*2) = 20 The answer is “d”
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The dance work has duration of 28 minutes‚ beginning with a female dancer standing with her right arm stretched in the air and left on hip showing her looking proud and aloof. The female dancer is wearing a vibrant orange velvet jumpsuit with green neon‚ flared at the bottom and a head band showing the 70’s hippy era. Paparazzi of the day capture pictures of the famous performer while she is smiling and vamping like the real Joplin character moving rapidly to get the shot. There is a spot light directly
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of Potassium. Part Two (Spectroscopy): 1. Create and complete a data table for Part Two of the lab. It should include the name of the element‚ the colors‚ and the wavelength values of the observed lines. | Hydrogen | Helium | Sodium | Neon | Mercury | 1 | purple / 413 nm | blue / 498 nm | yellow / 579 nm | purple / 421 nm | purple / 413 nm | 2 | blue / 441 nm | bluegreen / 509 nm | yellower / 586 nm | teal / 513 nm | blue / 497 nm | 3 | green / 512 nm | yellow / 589 nm | yellowest
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California” is the use of symbolism. Symbolism is the use of symbols to represent ideas or qualities. In (line 4) “I went into the neon fruit market”. The supermarket is symbolic of mass production in modern America while the neon is symbolic of how artificial the society has become and also opposes Allen’s naturalistic way of living because there is nothing natural about a neon light. However he continues to seek some kind of approval from Walt by asking “Where are we going “Walt Whitman”‚ Overall the
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compounds. There are also traces of carbon‚ ethane‚ hydrogen sulfide‚ neon‚ oxygen‚ phosphine‚ and sulfur. The outermost layer of the atmosphere contains crystals of frozen ammonia.[17][18] Through infrared and ultraviolet measurements‚ trace amounts of benzene and other hydrocarbons have also been found.[19] The atmospheric proportions of hydrogen and helium are very close to the theoretical composition of the primordial solar nebula. Neon in the upper atmosphere only consists of 20 parts per million
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Roughly 1600 years before the inception of Manichaeism‚ the prophet Zarathustra began professing his holy words that would later lay the ground for the establishment of Zoroastrianism. Zarathustra’s concept of duality‚ which is the existence of two ultimate forces‚ an ultimate good and an ultimate evil‚ would later influence Manichaeism. The central figure of Manichaeism is Mani‚ a Syrian who preached of a dual deistical system of faith similar to Zoroastrianism. However‚ Manichaeism‚ and Mani himself
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First‚ I screwed a neon transformer down onto a piece of oak. The transformer puts out 12‚000 volts and 30 milliamps of electricity. Second‚ I mounted the steel rods to the piece of oak. Then‚ I wired the two steel rods to the power supply. After that I attached a cord to the other side of the transformer to connect to a power source. Lastly‚ I bent the wires into a V shape so the current will run up the rods.The materials were a neon sign transformer‚ 2 ⅛ inch diameter steel
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02.05 Electron Arrangement and EMR: Line Spectra Lab Worksheet Part One (Flame Test): 1 Create and complete a data table for Part One of the lab. It should include the name of the element (or unknown) examined and the color of the observed flame. 1 SolutionNameColor Description Known 1BariumLight GreenKnown 2CalciumRedKnown 3SodiumBright YellowKnown 4 RubidiumPurpleKnown 5PotassiumBlueKnown 6LithiumHot/Bubblegum PinkUnknown 1SodiumBright YellowUnknown 2PotassiumBlue 2 Identify each unknown from
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