In this classic science experiment, students report on the colours produced when flame tests are carried out on different metal salts. Share. This movement makes the ions energetically unstable and they move back into the previous energy join. Flame Test Lab Report Introduction: In this lab we performed a Flame test in order to find out what the specific salt ion we were vaporizing. Not all metal ions give flame colors. When you place a compound in a flame, the flame will change colour depending on the metal ion present in the compound. Gravity. When atoms are heated they become excited causing the electrons to jump into higher energy levels. This procedure was repeated for the other seven salt solutions and the one unknown solution. Pages 3. Also, some metal ions display colors that are similar to each other making it hard to tell them apart. Overview Students will use small samples of 6 chloride salts of different metals. Perform a flame test with each of the unknown materials. The behavior of photons as they move energy levels was observed. 1 glass dropper. lower energy. Lab Report Ionic and Covalent Bonds Lab: Ionic and Covalent Bonds Introduction: The purpose of this experiment was to explore the properties of chemical substances that can be used to identify the types of bonds in a chemical substance using a laboratory procedure. Acknowledgments: The author of this paper thanks Union Springs High School for use of their facilities to conduct this experiment with. Table 1 and Table 2 prove both of my hypotheses to be correct. Our Lady of Fatima University. Free Samples and Examples of Essays, Homeworks and any Papers, Filed Under: Essays Tagged With: chemistry, Color. This preview shows page 1 - 2 out of 3 pages. Here you can order a professional work. The heat of the flame excites the electrons of the metals ions, causing them to emit visible light. LABORATORY ACTIVITY FLAME TEST Summary The purpose of this lab was to see how different compounds can change color while in a flame and with this color, I can identify the compound. Flame tests help us produce colors of metallic ions. When the boric acid was in the flame, you probably notice a bright green portion of the flame. Mr. Ginex-Orinion. Test. Match. Or you could guess whether it is the cation (the positively charged metal ion) or the nonmetal anion that is responsible for the different colors. This is not an example of the work written by professional academic writers. Calprotectin; Pancreatic Elastase; Contact. They are worried about some abandoned, rusted barrels of chemicals that their daughter found while playing in the vacant lot behind their home. We used the colour of the flame to also identify what compound an unknown substance was. In this lab you will be given six unknown samples of metal salt, and you must determine which salt is which. A. 5. In this lab, you will perform flame tests of several different metal cations. Cation Test Flame Test. Write. This would solve the problem of the world becoming over-populated and would help prevent the spread of disease. Thank you so much. Dorwins• 3 months ago. Learn. From the flame color, identify the metal ions in your unknowns and record your results on your report form. Loosely-held electrons are excited quickly in a flame. 2017/2018. Spell. Flashcards. 27 Dec, 2017 Free Essays, Lab Report 0. Electrons do not always stay in the ground state. compared to the colors of the seven knowns and a conclusion was drawn. Possible sources of error in this experiment were that the nichrome wire may not have been fully cleaned off every time, the color might have looked different because of other light sources, and there could have been particles in the bottom of the Bunsen burner. I. Match. If the exact wavelengths can be found, it would be easier to identify elements with a flame test. Features. Conclusion- The purpose of this lab was to see what colors are characteristic of particular metallic ions in a flame test and use their characteristic color to identify other elements. When metal salts (ionic compounds) are heated in a Bunsen burner flame, the metal gives off a characteristic color. Flame Test Lab Report; Flame Test Lab Report. Flame Test Lab Your company has been contracted by Julius and Annette Benetti. Tests can then be carried out to identify the anion. ... another element in a ratio of small whole numbers. It says that obtain a few crystals of table salt on the tip of a clean scoopula and place the tip in the flame of a bunsen burner under the hood. Flame Test Lab Report.pdf - LAB REPORT TEMPLATE \u2013 Use this template for all lab submissions Title Flame Tests of Metal Ions Purpose\/Introduction This, Use this template for all lab submissions, This lab was done in order to observe the different colors that metal ions let off when placed over a flame. metal used . Repeat steps 2 and 3 for each of the known materials. Thanks. Just guess what the colors would be for different compounds before you actually do the flame test for the hypothesis. Q: When a compound is emitted through heat how can you tell if it is a non-metal or metal ion that is responsible for the color change? From the data obtained, you devise a scheme for separating and identifying this group of cations. You can use the colour of the flame to work out what metal you have in your sample. You may have seen it only briefly but it was there. Conclusion- The purpose of this lab was to see what colors are characteristic of particular metallic ions in a flame test and use their characteristic color to identify other elements. This can be very handy if you're a crime scene investigator, or a high school chemistry student trying to pass an exam. Learn. Created by. Key Concepts: Terms in this set (22) Purpose. Gravity. Lithium, which is represented by the symbolic notation, Li, is the third element on the periodic table. The flame test is used to visually determine the identity of an unknown metal or metalloid ion based on the characteristic color the salt turns the flame of a Bunsen burner. Helpful? Gravity. A continuous spectrum in which all wavelengths of visible light are present . Spells to words correctly. Two unknowns were tested and were identified using the flame color and spectroscopy. Lithium Chloride is slightly toxic if ingested. This activity is called a flame test and it’s a real procedure used in labs. University. Lab 4.1b Flame Tests Revised: 2019-09-25 Chemistry I/H BACKGROUND Why do we see colors in a flame test? then a Bunsen burner was lit to ignite the flame. The color of the flame corresponds with each element. Created by. Flame Tests lab. Elements are only in their excited for a brief moment. Do the positive ions or the negative ions cause the change in flame color? Hazel Banawis. Flame Tests By: Jordan Anthony, Zack Balog, and Evan Degraw Regents Chemistry class, Union Springs High School, 4th period January 19/2015 The purpose of this lab was to see what colors are characteristic of particular metallic ions in a flame test and use their characteristic color to … These they will place into a flame in order to observe the colors produced. You may have seen it only briefly but it was there. Equation describing the energy of a photon. Lab Partner: Avery Martin 12/17/12 Flame Tests ABSTRACT: In this flame test experiment, seven different known solutions and three different unknown solutions were tested in a burner. Background and Theory. 5 watch glasses, clean and dried; 1 glass dropper For more information on these offerings, select a testing option. 120 47. Leanna_999. If a white precipitate is formed, sulfate is present in the solution. Lab: Flame Tests Note for Teachers : Showing the NOVA film about fireworks (titled Fireworks!) The heat of the flame excites the electrons of the metals ions, causing them to emit visible light. Repeat step 2, looking through cobalt glass to see the flame. Why does this happen? If one can tell if a planet has oxygen on it based on its bright line spectra, research could be done to tell if people can live on the planet or not. Flame Test Lab. Identify unknown metallic ions by means of its flame test. Flame Tests lab. Flame Test Formal Lab; SC4 (LDC Module #1) Chemists began studying colored flames in the 18th century and soon used "flame tests" to distinguish between some elements. It will also show that flame tests can be used to make certain colored fireworks. When the element is in a compound, it can be burned to produce the flame. Observe the characteristic colors produced by certain metallic ions when vaporized in a flame. Also, I have produced a video suitable as an introduction to this lab. Experiment: In order to perform this project, we must use Iodine ... on any sample can detect starch by changing the color of the tested area to dark blue. ... ... test, the reagent was a yellow-orange color. Conclusion- The purpose of this lab was to see what colors are characteristic of particular metallic ions in a flame test and use their characteristic color to … The Benettis want your company to identify the compound in ... More experiments can be done with machines to find the exact wavelengths of light for every element. 1 thin glass stir rod (this glass stir rod is … Our Lady of Fatima University. Use a clean, uncontaminated wire from the provided beaker. The barrels have begun to leak a colored liquid that flows through their property before emptying into a local sewer. As well as to identify unknown metallic ions by means of its flame test. There are no relevant waste concerns in this lab This experiment will show that every element has a different bright line spectra and this can be used to identify elements in space or anywhere. Share. And to learn why light is shown as the color it is by the excitement of electrons jumping from one shell to the next. This experiment showed that every metal emits a different color and this proves the hypothesis to be correct, that every metal emits a different color when put into a flame. 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