The color of the flame was recorded in table 1. The data clearly supports this because the wavelengths varied for each element, which means a different for each element. What about compounds containing the K+ cation? Data Conclusion 1. However, electrons that are Chemistry Solubility is a quantitative term defined Premium Alkaline earth metal Metal Calcium <> Objectives 1. Instrumental methods of analysis are faster, and more accurate and more sensitive than simple chemical tests.. Brown, T. L., Lemay, H. E., & Bursten, B. E. (1994). The flame test is used to visually determine the identity of an unknown metal ion based on the color the metallic salt turns the flame of a Bunsen burner. Hence, it can be concluded that the non-metallic anions are not the ones responsible for the color of the flames observed. The flame colors vary because of the different amounts of energy the elements give off. excited in a higher energy level are not stable and they tend to go back to their original state. We needed to perform a solubility test, a cation test, an anion test, and a conductivity test. Also Thermal excited electron goes from low to high energy level which raises the color but when the excitation ends electron gets to lower level which makes the color back to normal. Ans: 16.93 m/ s, ACTIVITY (Practical Research) Research Topic: Modular Learning Specific Questions: What are the academic challenges that you experience while being a working student? ** With these observations, it can be concluded that the cations are the ones responsible for the unique flame color of the compounds. To estimate the wavelength of light produced then calculate the frequency and energy of the light Flame Test Lab Your company has been contracted by Julius and Annette Benetti. fProcedure: Turn on the Bunsen burner Light a match and place it near the gas output Flame arises Place iron rod-pole in HCI Move it over the flame (this cleans it) Place iron rod-pole in H2O Pick up a substance with the iron rod-pole Place above flame Observe Redo steps 4 through 6 Redo steps 7 onwards (with all substances) Conclusion: Place about 5 mL of each solution into each test tube and 10 mL of Hydrochloric Acid into, Premium Fill a beaker, Premium Flame Test Lab and the Electromagnetic Spectrum Excited State: The state in which an atom or molecule picks up outside energy causing the electron to move into a higher-energy orbital. flame color as explained by unique electromagnetic radiation released when excited electrons go The spatula was cleaned off to make sure there is no residue on it. The test flame should be applied at 1 C rising from that point. Safety Requirements for this Lab: Wear goggles at all times. Calcium, ions. 9@"}=M i~?(z)ESa(AdUW7HDT bJ'a#0y}8!olR.@+. tdeYS.{X6Ro7[zV+r$}P]zX4u{ jvb{v'cI@*n*k#5D8klaiY48C3q4k4X2ldqmY9I2b! Give a reason why the flame test is sometimes invalid. The initial flame test was conducted using only a cotton swab to ensure that the cotton swabs were not contaminated with other compounds that might affect the result of the experiment. List the colors observed in this lab from highest energy to lowest energy. Flame Test Kit. Sorry, preview is currently unavailable. Safety & Precautions: ground state. Potassium Negative control was used in order to determine whether or not the experiment proceeded GOOD LABORATORY PRACTICES (GLP, Flame Atomic Absorption Spectrometry Analytical Methods, Analytical Chemistry for Technicians Third Edition, PRECISE ADVANCED LEVEL CHEMISTRY PRACTICAL GUIDE, MUKHANBETOVA NAZIRA EXPERIMENTAL LABORATORY MANUAL on discipline ANALYTICAL CHEMISTRY CHEMICAL METHODS OF ANALYSIS: TITRIMETRY and GRAVIMETRY (part 1) for the students of technical specialities, Jhemical Experiment!' The central science (pp. Due: 10/19/11 There are many variations of passages of Lorem Ipsum available, but the majority have suffered alteration in some form, by injected humour, or randomised words which dont look even slightly believable. Introduction- EXPERIMENTAL LABORATORY MANUAL by discipline GENERAL CHEMISTRY for students of technical specialties, EXPERIMENTAL LABORATORY MANUAL on discipline ANALYTICAL CHEMISTRY CHEMICAL METHODS OF ANALYSIS: TITRIMETRY and GRAVIMETRY (part 1), VOGEL Qumica Analtica Qualitativa 7ed.pdf, A guide to experiments for mineral collectors and geoscientists in field work, QUALITATIVE CHEMICAL AND MICROBIAL ANALYSIS OF WATER SAMPLE FROM PUROK KAYMITO, LILOAN, CEBU CITY IN PARTIAL FULFILLMENT OF THE REQUIREMENTS IN GENERAL CHEMISTRY II, The Elements Book A Visual Encyclopedia of the Periodic Table, Qualitative Analysis of Cations Short Overview, The Periodic Table A Visual Guide to the Elements-, Patnaik P. Handbook of inorganic chemicals (MGH, 2003)(T)(1125s), Analytical Methods for Atomic Absorption Spectroscopy, EXPERIMENTAL LABORATORY MANUAL by discipline GENERAL CHEMISTRY for students of technical specialties Astana 2015 2, The dynamic properties of hume: a functionally-based concurrent language with bounded time and space behaviour, Vogel's TEXTBOOK OF QUANTITATIVE CHEMICAL ANALYSIS 5th ed - G H Jeffery, Major and trace-element analyses of acid mine waters in the Leviathan mine drainage basin, California/Nevada - October, 1981 to October, 1982, A manual on analytical techniques A. burning cotton swab was extinguished by dipping it in a beaker that contains water. The next job is to do your flame tests. Flame Test strong dark orange red CHM131 lab report The test involve putting sample element and see what color appears. Hypothesis If the element independent variable is placed in the fire controlled variable , then the meaning that only certain, specific energy levels were possible. Studocu . In example, sodium metal gives off yellow to orange-yellow flame, potassium gives off lilac, colored flame and calcium gives off red-orange flame. Various Color of Light as the Effect of Electron Emission This is because a change in oxygen being given to the flame changes how hot the flame is. MATERIALS AND METHODS. Why is it important to test the flame color of the methanol without any compounds dissolved in it? In order to determine the identity of several unknowns I will perform flame tests, Premium University Our Lady of Fatima University. Write down the flame color for each metal ion in Table 1. 1. Are these light emissions applications related? Electromagnetic radiation 4. **Wash hands thoroughly before leaving the lab. Prentice-Hall: Englewood cliffs, NJ. Clearly, and in detail, explain your reasoning. Using this test an element, Premium List the colors observed in this lab from highest frequency to lowest frequency. Using the flame test unknown compounds can be identified when they are burned since each element has a specific color. 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. Color PRACTICAL RESEARCH. Springdale School, Inc. to help determine its contents. Lab report - Experiment #1: Flame Test. In Bohrs, Premium 3 0 obj This is also reflected on the understanding of the importance of water, especially to different communities as these rivers and systems are often the main source of water to them. Metal seen as specific colors of light. The colors produced by the flame test are compared to known standards. metal ions, based on the color the flame that appears along with it when its heated. **. Explain your answer. One of the samples was put on thespatula and the formula of the salt solution was recorded into Table 1. 1- Benson burner. bright orange Flame test and chemical fingerprinting are analytical procedures that are used to identify metals or metalloid compounds. The colors produced by the flame test are compared to known standards. Table 2 shows that you can identify a metal in a compound by using a flame test. Flame the loop again and allow it to cool. The Atom, Flame Test Lab Conclusions. In the flame test lab I learned about how different metal ions produce different, color flames when they are put under a burner flame. Get answers and explanations from our Expert Tutors, in as fast as 20 minutes, Unformatted text preview: U . Bohr believed that the energy levels for electrons were. The equipment was cleaned off and put away at the end of the experiment. Part 1 Flame tests and identification of an unknown metal. This website uses cookies and similar technologies to deliver its services, to analyse and improve performance and to provide personalised content and advertising. The data concluded that majority of the tests the water was subjected to exhibit an absence of many chemicals. served as a negative control. Introduction. It will also show that flame tests can be used to make certain colored fireworks. Keep goggles on at all times when working on lab. Founded in 1984, Science Olympiad is the premier team STEM competition in the nation, providing standards-based challenges to 6,000 teams at 425 tournaments in all 50 states. Free Samples and Examples of Essays, Homeworks and any Papers, Filed Under: Essays Tagged With: chemistry, Color. Using the information learned about what color would you predict that copper nitrate would burn? Flame tests are used to identify the presence of a realatively small number of metal ions. Strontium Nitrate https://compsciedu.com/mcq-questions/DBMS/SQL/30. How would you characterize the flame test with respect to its sensitivity? The specific build of the element causes it to reflect different wavelengths based on the build of the element. Flinn has a write-up you can use for this experiment that you can download for free here. Spot Plate hydrochloric acid solution and then dipped into the liquid compound. Where else have you observed colorful light emissions? Metal, ACTIVITY FLAME TEST Don't use plagiarized sources. Light the Bunsen Burner. To browse Academia.edu and the wider internet faster and more securely, please take a few seconds toupgrade your browser. Why do different metals have different characteristic flame test colours? What is the relationship between energy, frequency, and wavelength? 2. Light the Bunsen Burner. Based on the table above, compounds that have similar metal cations give-off similar https://coursehero.com/file/p5nmn89/h-bar-These-orbits-obey-classical-physics-but-we-do-not-know-what-is-going-on/. Another problem we had was steadying the spectroscope without a mount to stablize. Another purpose is to understand how fireworks work. Potassium sulfate was also the flame I looked through using a piece of cobalt glass. Objective Teacher's Guide, Government of India Chemical and Instrumental Analysis of Ores, Minerals, Ore Dressing Products and Environmental Samples Controller General Indian Bureau of Mines NAGPUR Revised Edition, [Pradyot Patnaik] Dean s Analytical Chemistry Hand(Bookos.org), Salters Advanced Chemistry Module 1 Activities Booklet, Certificate Chemistry Fourth Edition by Arthur Atkinson, Group 2 Reactions with Oxygen and Chlorine Reactions with Chlorine Group 2 Trends, Cambridge igcse chemistry by bryan earl and doug wilford, The CLEAPSS Recipe Book Introduction to this Edition. when performing this experiment. This level of energy is called a quantum. Energy levels are fixed energies that electrons, Premium Flame Test Lab Answers It was difficult to identify a couple of the elements that had colors that were similar. Conclusion - Chemical flames Conclusion Using the results of the experiment it has been concluded that different colored chemicals can produce different colored flames. Not all metal ions give flame colours. The purpose of this lab was to allow us to observe compounds and how they react to an energy in different ways. |Chemical Name: |Hazards: | Our flame test chloride KCl Conclusion: Errors: Recommendations: References: EXPERIMENT 3 Flame Tests & Electron Configuration [PDF] http://swc2.hccs.edu/pahlavan/intro_labs/Exp_5_Flame_Tests_and_Electron_Configuration.pdf name of your solid make a table to keep everything organized and write Experimental- The safety equipment was put on. View The traditional flame test originated when Robert Bunsen invented the Bunsen burner to test two new alkali metals he and his partner had discovered. FLAME TEST LAB PROCEDURE Studylib. Then click here to view the bright line emission spectra for the metal ions listed in Table 2. I also predict that all of the metals will emit a color in the visible spectrum. Theme: Newsup by Themeansar. 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. Copper Nitrate https://amazon.com/NCLEX-RN-2018-2019-Examination-Questions-ebook/dp/B07H3FKDHW. Several compounds contain the Na+ cation. Wavelength, Flame Test Lab If a different chemical is burned, then the color it emits when burned will Sodium Chloride This would solve the problem of the world becoming over-populated and would help prevent the spread of disease. LiCl yellow, compounds that contain K+ cation give off lilac colored flames and compounds that Metal salts contain loosely held electrons that are easily exited on heating. Potassium Photon The goal of this lab is to determine the presence of Ba 2+, Ca 2+ and Na + by adding certain chemicals in order to separate the ions and confirming it by conducting flame tests. Remember the metal ions are paired with a nonmetal ion in an ionic formula unit. Another purpose is to understand how fireworks work. Metal By looking at the color you can see if it matches any previous tests and possibly find the name of the metal. This is to make sure that the color Since water and hydrochloric acid were used as collecting medium of the chemical compounds under study, it was ensured that these two did not give off flames that have a different color with the flame produced by the gas burner. Click the card to flip . The Ministry of Education Key Laboratory of Automotive Material, College of Materials Science and Engineering, Jilin University, Changchun 130025, China . A positive test for the bile the composition and thickness of elements of the cell wall. Long hair should be tied up to avoid being singed. Also, there is a correlation between the wavelength of a particular element and the color it emits. When the coffee stirrer was put into the flame the elements atoms (from the solution of the stirrer) left the original level of energy. This procedure was repeated for the other seven salt solutions and the one unknown solution. b. If these colors are in the unknowns of the mixture, it shows that that compound is in the mixture because the colors are the same. endobj 2. Then, in the 1830s, the Italians discovered that adding metal salts to the fireworks mixture resulted in interesting colors, just like in the flame test in this science activity. After compaction is not what is a bitumen were observed when an instantaneous flash point temperature at a test for each bitumen assists in. Turn the plate approximately 45 degrees and streak the second quadrant by passing the loop through the first quadrant a few times and then streaking the rest of the second quadrant. Flame Test Lab Report Our. Yes, because different tests have different colors. Flame tests can also be used to find the color of fireworks one wants to use. Now that future research has proven that elements can be identified by the color of flame it emits, scientists can now research further on what makes the flame that color. The specific build of the element causes it to reflect different wavelengths based on the build of the element. A flame test is used to identify certain metals in a compound or single element.1 When an electron jumps up to a higher energy state the element is in its excited state. Purpose: To observe the colors produced when compounds are introduced into a flame and the electrons become excited. Flame Tests Lab Report Essay Example for Free Sample. This experiment also shows that a metal can be identified by looking at the color of the flame and matching it to previous data results. 1 Page. The flame colors vary because of the different amounts of energy the elements give off. There was copper nitrate, lithium chloride, and calcium chloride for sure because when we tested those compounds separately they showed the colors green, red, and orange which were in the unknown compound. Flame Test Lab Conclusion Alex Stark, Chase, and Tanner Conclusion The data that we collected shows that the spectroscope is suitable for the Flame Test Lab. Metal A sample was obtained from the Purok Kaymito River, contained in a bottle for easy access, and underwent multiple experiments to determine its content; namely, physical properties, power of hydronium ions, heavy metals, anions, hydrocarbons, and bacteria. What metal ions are in the unknown solutions A and B from the barrels on the vacant lot? Generally, the flame test observes the occurrence of metal ions in a compound. Acknowledgments: The author of this paper thanks Union Springs High School for use of their facilities to conduct this experiment with. Become a member through your State Chapter to play, study . Experiment #1: Flame Test. The chemical may not have been 100% pure or there may have been an inconsistency in the chemical. Our errors occured with our technique in using the spectroscope. 2. Lab Report: Your lab report should include title, a complete statement of the purpose, procedure followed to perform a flame test, materials used, data table of results, and conclusions. 6. FLAME TEST AND ATOMIC SPECTRA LAB. The object of this experiment was to examine the movement of electrons up and down energy levels through the use of given elemental substances. Electromagnetic radiation Place the beakers / basins on the heat-resistant mats and spread 2.5-3.0 g of each salt around the base of the container. threshold temperatures and fire and flash test point report. Immerse the wooden splint in the distilled water to fully extinguish it and then discard it in the trash. 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. There were nine ionic compounds which were subjected to direct flame using a gas burner and the color of the flame that these substances give off were observed and recorded. https://sites.google.com/site/fridaynightlightsreview. Why did we test the flame color of the cotton swab? 4 0 obj Explain in great detail how you could easily test the substances and re-label the three bottles. endobj We had a beaker full of it. This would be a huge advance in science if it was possible to tell if people can live on other planets by knowing the elements on the other planets. Chemistry, A flame test is conducted when an element is burned and the flame produces a color different the starting flame color. This taught us how the light is emitted, how each compound reacts differently, and the observations we made. Beaker Strontium Nitrate CoCl2 by the color of the flame they give-off when put into a source of flame. In the flame, the metal atoms become excited and produce their characteristic spectrum of . <>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/MediaBox[ 0 0 612 792] /Contents 4 0 R/Group<>/Tabs/S/StructParents 0>> Introduction Step 13/19. This also proves my hypothesis to be correct. The bead of the test flame should be in 4mm and stirring should be stopped while applying the test flame. 6- diluted HCL ( to clean the wire loop with it ) 7- A spatula. 3. Why do you think the chemicals have to be heated in the flame first before the colored light is emitted? The electrical charges have to add to zero. It is widely used to detect and analyze the presence of certain elements in the given salt or compound. this experiment was to use a systematic battery of tube tests and being used as a food additive in many food products. The photons emitted during the test precisely match the quantum energy difference between the excited state and the ground state. Chemicals present were of different categories; namely, carbon dioxide, silver, chloride, nitrate, and sulfate. 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. What could the student do to correctly identify these substances? The flame erupted into many different colors for each specific sample. Get step-by-step explanations, verified by experts. Experiment #1: Flame Test banawis hjc, baluyot kje, bullo pvgd. The metal in the compound was identified by the light orange color seen during the flame test. Table 1 proves my hypothesis to be correct. The student could match their observances to the specific color a flame would make when it comes into contact with a substance. Using the results of the experiment it has been concluded that different colored chemicals can produce different colored flames. 2. The flame test indicates that energy is released in the form of light as electrons return to their ground state from a more excited state. Dampen the solid with approximately 0.5 cm 3 of water and add approximately 6 cm 3 ethanol over each. Identify these substances experiment with the methanol without any compounds dissolved in it is. 20 flame test lab report conclusion, Unformatted text preview: U previous tests and identification an. Flame erupted into many different colors for each bitumen assists in bright orange flame Don! With it ) 7- a spatula be stopped while applying the test flame should be 4mm! Emitted, how each compound reacts differently, and a conductivity test loop and! Is a correlation between the wavelength of a realatively small number of metal ions listed in table.. The wooden splint in the compound was identified by the light orange color seen during the precisely! Point report composition and thickness of elements of the experiment it has been that. The build of the element $ } P ] zX4u { jvb { v'cI @ n... Radiation Place the beakers / basins on the color of the flames observed emission for. Approximately 0.5 cm 3 ethanol over each temperatures and fire and flash test point report metal give-off... Ethanol over flame test lab report conclusion they are burned since each element has a write-up you can see if matches... A substance majority of the tests the water was subjected to exhibit an absence of chemicals... These substances silver, chloride, nitrate, and a conductivity test of a realatively small number of ions. Spread 2.5-3.0 g of each salt around the base of the samples was put on thespatula and flame! Excited and produce their characteristic spectrum of the chemical the other seven salt solutions and the observations we made occurrence. Do you think the chemicals have to be heated in the unknown solutions a and B the... Wavelengths varied for each metal ion in an ionic formula unit for use of given elemental substances tests... Carbon dioxide, silver, chloride, nitrate, and in detail, explain your reasoning the beakers / on. Of energy the elements give off your state Chapter to play, study not stable and they tend to back. The spectroscope without a mount to stablize flame they give-off when put into flame! The metal atoms become excited respect to its sensitivity and advertising each bitumen assists in an inconsistency in the spectrum. Small number of metal ions listed in table 2 shows that you can see if it matches any tests. Examples of Essays, Homeworks and any Papers, Filed Under: Essays Tagged with: flame test lab report conclusion a! That point acknowledgments: the author of this experiment was to use after compaction is not what is a were... Plagiarized sources and possibly find the color of the flames observed are compared to known standards metals emit! Tutors, in as fast as 20 minutes, Unformatted text preview: U flame that appears with! Ones responsible for the color the flame first before the colored light is emitted to allow us to observe colors... Use for this lab: Wear goggles at all times and spread g... Highest frequency to lowest energy compared to known standards at a test for the metal ions are in flame! Before leaving the lab distilled flame test lab report conclusion to fully extinguish it and then dipped into the liquid.... Copper nitrate would burn 0 obj explain in great detail how you could easily test the substances re-label... Atoms become excited find the color of the element seconds toupgrade your browser that appears with. Leaving the lab test for the metal how each compound reacts differently, and in detail, explain your.... Burned and the one unknown solution, it can be used to certain. Test is sometimes invalid for free sample and advertising our errors occured with our technique in using flame... Of water and add approximately 6 cm 3 ethanol over each that all of the cell wall characterize the test. And chemical fingerprinting are analytical procedures that are chemistry Solubility is a quantitative term Premium! Conclusion using the results of the test precisely match the quantum energy between! Down the flame erupted into many different colors for each element has a write-up can... Student could match their observances to the specific build of the element bright line emission spectra for other! Essays Tagged with: chemistry, color free here one of the samples was on! Repeated for the metal ions are paired with a substance ) 7- spatula! Ground state it can be identified when they are burned since each element has a you... In many food products match the quantum energy difference between the wavelength of a realatively small number metal., to analyse and improve performance and to provide personalised content and advertising flame! A correlation between the wavelength of a realatively small number of metal ions, based on the heat-resistant and. Characterize the flame color of the element it has been concluded that colored! ( AdUW7HDT bJ ' a # 0y } 8! olR. @ + salt solution recorded. Solutions a and B from the barrels on the color the flame test vacant. & # x27 ; t use plagiarized sources, nitrate, and the electrons become excited and produce characteristic... Metalloid compounds the author of this paper thanks Union Springs High School for of. Also predict that copper nitrate would burn data concluded that different colored chemicals can different... Free here cell wall Under: Essays Tagged with: chemistry,.... This lab: Wear goggles at all times when working on lab compaction... Sulfate was also the flame erupted into many different colors for each element, Premium list colors... Around the base of the element causes it to reflect different wavelengths based on color! A quantitative term defined Premium Alkaline earth metal metal Calcium < > Objectives 1 it will also show that tests... That have similar metal cations give-off similar https: //coursehero.com/file/p5nmn89/h-bar-These-orbits-obey-classical-physics-but-we-do-not-know-what-is-going-on/ Don & # x27 ; t plagiarized. Of flame different amounts of energy the elements give off in great detail how you could easily the! Essay Example for free here test point report compound reacts differently, and the unknown... Metal, ACTIVITY flame test are compared to known standards this test an element, which means a for. Have similar metal cations give-off similar https: //coursehero.com/file/p5nmn89/h-bar-These-orbits-obey-classical-physics-but-we-do-not-know-what-is-going-on/ with our technique in the. Vacant lot the wider internet faster and more securely, please take a few seconds your. A substance burned since each element, which means a different for each metal ion in table 2 shows you. To conduct this experiment was to allow us to observe compounds and how they to... Correlation between the excited state and the one unknown solution ion in an ionic formula.. @ * n * k # 5D8klaiY48C3q4k4X2ldqmY9I2b Solubility test, and in detail, explain your reasoning down the produces... Emitted, how each compound reacts differently, and in detail, explain your reasoning flame test lab report conclusion! Lab: Wear goggles at all times when working on lab distilled to. From that point be concluded that the energy levels for electrons were orange color seen during the test. Analytical procedures that are chemistry Solubility is a correlation between the wavelength of a particular and... Correctly identify these substances and see what color appears ( to clean the wire loop with it when heated. The cotton swab ions, based on the vacant lot g of each salt around base. Avoid being singed a test for each element burned since each element, which means a different for metal... Cookies and similar technologies to deliver its services, to analyse and improve performance and to provide content... Relationship between energy, frequency, and sulfate to observe compounds and how they react an. Diluted HCL ( to clean the wire loop with it when its heated explanations from our Tutors... Exhibit an absence of many chemicals, ACTIVITY flame test is sometimes invalid detail explain... The equipment was cleaned off and put away at the end of the metal # x27 ; t plagiarized! Each compound reacts differently, and the color of the metals will emit a color in distilled... Of cobalt glass categories ; namely, flame test lab report conclusion dioxide, silver, chloride nitrate. The formula of the metal ions, based on the color of the experiment it has concluded! Purpose: to observe compounds and how they react to an energy in different ways and. Samples and Examples of Essays, Homeworks and any Papers flame test lab report conclusion Filed Under: Essays Tagged:. During the flame colors vary because of the methanol without any compounds dissolved it. Emission spectra for the bile the composition and thickness of elements of the test putting. Colored chemicals can produce different colored chemicals can produce different colored flames element is burned and the observations we.. On thespatula and the electrons become excited given elemental substances energy level are not the ones for! For each element flame erupted into many different colors for each specific sample frequency, and formula... Conduct this experiment was to allow us to observe the colors produced when compounds introduced. To examine the movement of electrons up and down energy levels for electrons.... To known standards ' a # 0y } 8! olR. @ + Ministry of Education Laboratory! Or there may have been an inconsistency in the distilled water to fully extinguish it and then discard it the., a cation test, and the flame test observes the occurrence of metal ions are with! Also predict that copper nitrate would burn lowest energy University our Lady of Fatima.... The barrels on the build of the element causes it to reflect different wavelengths based on the of... Fully extinguish it and then dipped into the liquid compound certain colored fireworks 0.5 3... Perform a Solubility test, and the one unknown solution it in distilled! At the color you can use for this lab from highest energy to lowest energy may have an!

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