Carbonate due to results from the Flame Test and Anion I Test. Throughout our lab days‚ my friends would help me determine various odors and colors of the substances which allowed me to confirm my answer. Also‚ I looked select test results up on the internet to see if they matched my observations. On our first lab day‚ I received my bottle and noticed a white precipitate in the bottom therefore‚ my unknown was insoluble. I started my testing with the Flame Test and did not evaporate my unknown.
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Emission Spectra & Flame Tests Intro The emission spectrum is used in modern chemistry to help further studies of wavelengths and the spectrum. When a metal in a compound reacts in a flame and produces a color‚ it helps to show the strongest color in the emission spectrum. The purpose of performing these operations on the flame was to see how different metals would react. Using a spectroscope‚ it is possible to observe the line emission spectrum produced by sunlight‚ artificial light‚ and
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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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electron energy levels caused in hydrogen cause these lines in the spectrum to be produced in this way because the wavelengths that are released when the electron move back to the ground state is specific and it varies accordingly. 2. Into which energy level are electrons dropping into to make these visible lines? The electrons are dropping back to the ground state which is the bottom most energy level to makes these visible lines. 3. What happens when the electrons drop into the 1st energy level
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observe the flame tests of some alkali and alkaline earth metal ion 2. Define ground state and excited state of an atom. Ground state- normal configuration of the electrons about the atom or the ion of an element; stable particle electrons are at lowest possible energy level Excited state- when stable particles are heated to very high temperatures some of the electrons leave their ground state and become “excited”; these electrons move to higher energy levels 3. What is flame test? Why do different
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information in Flame Tests‚ Atomic Spectra and Applications Activity) Introduction: Have you ever seen a fireworks display? Where do all of the colors come from? Below are some links to the chemistry of fireworks: http://chemistry.about.com/od/fireworkspyrotechnics/Fireworks_Pyrotechnics.htm http://alchemy.chem.uwm.edu/amalgamator/NCW/ncw2001/fireworks.html In this activity‚ you will investigate the colors of flame produced by solutions of metal salts. A flame test is a procedure
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Flame Test Laboratory Report Introduction The purpose of this lab is to observe and identify metallic ions‚ using flame tests. The traditional flame test originated when Robert Bunsen invented the Bunsen burner to test two new alkali metals he and his partner had discovered. “A flame test is an analytic procedure used in chemistry to detect the presence of certain elements‚ primarily metal ions‚ based on each element’s characteristic emission spectrum” (Flame Test 1). Using this test‚ an element
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INTRODUCTION Flame photometry‚ also referred to as ’flame atomic emission spectrometry ’ is a quick‚ economical and simple way of detecting traces of metal ions‚ primarily Sodium‚ Potassium‚ Lithium‚ Calcium‚ and Barium‚ in a concentrated solution. The process is an extension of the principles used in a flame test‚ with the main differences having more precision in the results‚ and the use of more advanced technology. This report focuses on the theory‚ applications‚ limitations and analysis of Flame Photometry
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Don’t Support Nuclear Energy These days‚ it seems like everyone is worried about how the world will meet its energy demands when we don’t have oil and natural gas. Scientists and researchers are investigating such power sources as solar energy‚ wind energy‚ and even energy new kind of energy shale gas recources . However‚ there is one energy source that I believe should not be developed anymore. In fact‚ I believe that we should stop using it as soon as possible. Even though it can provide
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Flame lab test Chemistry Introduction The lab test performed was to determine characteristic colors that were produced by specific metallic ions that are shown in a flame. This happens when an electron gains energy; the electron moves from an energy level that’s farthest away and to an empty orbital close to the nucleus with higher levels‚ so one of the electrons gives off energy. A flame test is a visual test where the energy is in the form of a color change and the change can
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