Gas Observations. Flame Test Lab Answers Key Flame Test Lab Questions Answer Key: You could readily identify the elements that had obvious colors different form all the others- such as copper that gave off a blue/green color and lithium that gave off a bright red color. Turn on the electricity (for no more than 30 seconds) and observe the color given off by the gas. ... Be sure to include the questions listed in this lab with answers in the QUESTIONS section of your report. Course Hero is not sponsored or endorsed by any college or university. This happens because every metal has a different bright line spectra. Flame tests are useful means of determining the composition of substances. This video shows the positive results for the flame test section of MegaLab. Record the color of the flame. Every element has a signature emission spectrum that can be used to differentiate between one element and another. Some questions that you should address in your lab report include: Light the bunsen burner, Purpose Conclusion The purpose of this lab was to develop an activity series of the elements and to view the spectrum Assessment Pre-Activity Assessment. 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. Purpose The purpose of this lab was to reinforce the examination of wavelengths in photons discharged from atoms as they move from high energy to low energy, atomic emmision. Atomic Emission and Flame Test Student Name: Hailey Jones Date: 9/23/18 1 Data Activity 1 Data Table 1 Name Line or flame test lab honors chemistry, THE FLAME TEST Introduction Metallic elements are found on the left side of the staircase on the periodic table. Repeat steps 2-5 for each of the remaining samples. (To avoid burning the wood, wave the splint through the flame rather than holding it right in the flame… Learn vocabulary, terms, and more with flashcards, games, and other study tools. Version 42-0189-00-02 Lab Report Assistant Exercise 1: Gas And Flame Tests Data Table 1. Please Be Specific And Detailed. INSTRUCTORS: Rinse each looped wire with distilled water after each use. Start studying Flame Tests lab. The Flame Test lab was done in several parts. DO NOT HOLD IT IN THE FLAME. Next, you will observe the light from different sources through the spectroscope and record the number, color and wavelength (in meters) of the lines of light in your data table… Record any changes. 7. Lab Duration:! Record the name of the metal in the salt and describe the color of the resulting flame in your data table. Scientists use the flame test in their workplace. Identification of Metal Cation(s) Color Sample Test Samples Unknown A Nac CUcls … group of mt che 009 flame test objective: solution. 9. Course Hero is not sponsored or endorsed by any college or university. Record the color you see. 1. The secondary purpose of the lab was to identify unknown compounds that we would test and then guess as to what they were. • Day 1: Introduce electromagnetic spectrum, wave properties and conservation of energy • Day 2: Pre-lab activity and safety awareness • Day 3: Data collection • *Days 4-10: In-class writing, follow-up discussions, peer review and final drafting (Honors only) Materials: • Unknown Flame Test Solutions in methanol (0.5 M) And to learn why light is shown as the color it is by the excitement of … Each of the known compounds tested contains chlorine, yet each compound produced a flame of a different color. Analysis: For each metal cation flame test performed, determine the wavelength corresponding to the observed flame color from the table below. 8. 10. coastal ocean acidification student worksheets 1-4.pdf, Flame Tests to Identify Chemical Substances.docx, Northern Secondary School, Toronto • IDC 3O1, Moreau Catholic High School • CHEMISTRY 103, University of Southern California • CHEMISTRY 105A, Copyright © 2021. Perform a flame test with each of the unknown materials. Explain why this occurred. 4. Let glass cool down while you work on the Wavelength Comparison questions 10. Flame test is a confirmatory test for certain specific elements, most of which are metals. Place the rinsed looped wire into the empty test tube provided. Module 2 Lab Report Document - Carolina 2019.docx, Lab 3 - Alyse Brown - Atomic Emission and Flame Test.docx, 580350 Atomic Emission and Flame Test Q.docx, 580350 Atomic Emission and Flame Test Q (1).docx, Atomic Emission and Flame test Student (1).pdf, Module%202%20Lab%20Report,%20Heidi%20Prockish-1.docx, Copyright © 2021. 6. Hold the splint in the flame and record the color of the flame that is produced. Identify the metal your candle contained. Repeat step 2, looking through cobalt glass to see the flame. Table 2 shows that you can identify a metal in a compound by using a flame test. Have students write a lab report that includes the five criteria listed on the worksheet, and explained in the Assessments section with answers). 11. orange. If and when a metal atom ionizes, it will give away one or more electrons and become positively charged – it is then called … 5. What is the behavior of electrons in order to produce an elements emission spectrum?   Terms. The color given off by the salt is the initial color observed, not the yellow-orange color produced by the burning wood. Label six weighing dishes. Go to one of the lab stations where a hydrogen gas discharge tube is set up. Place a small scoopful of each metallic solid in corresponding weighing dish. 8. If your instructor provided a special data table for this lab you may use that, otherwise use either Word or Excel to make your data table. Flame Test (Rainbow Demo) (49 Favorites) ... estimate the wavelength or frequency of the light indicated in the data table (using a copy of the visible light spectrum chart), and identify unknown metals with your observations. Flame Test Lab Data Tables.docx - Substances Sodium Chloride(NaCl Sodium Bicarbonate(NaHCO3 Calcium Chloride(CaCl2 Calcium Nitrate(Ca(NO3)2 Copper(II, 1 out of 1 people found this document helpful. Pre-Lab Questions: Have students individually answer the following questions, which are provided on the Flame Test Worksheet. It is important that you use a new q-tip for each type of metal salt and do not touch it to the burner, as contamination will mess up your lab results. strontium. Data . Move to station 2 for the next compound. ... Is a flame test a qualitative and quantitative test? This preview shows page 1 - 4 out of 5 pages. Turn off gas to burner and clean up lab area. Flame Tests Worksheet As you work through the steps in the lab procedures, record your experimental values and the results on this worksheet. Not all metal ions give flame colors. Start studying Flame Test Lab. If more time for observation is needed, turn off the tube for ~15 seconds and then turn on for another 30 seconds. 5. Calcium. Data Table 1 Metal Color of Flame Data Table 2 Metal/Color of Flame λ (nm) λ (m) ΔE (J) Post-Lab Questions 1. Jonathan Ko Honors Chemistry Mr. Barrientes Oct 26th 2015 The Effects of Different Metals on the Color in the Flame Abstract: The lab on the Effects of Different Metals on the Color in the Flame was a test to see if there would be any effect of the color of the flame if … Give two reasons why the flame test may be valid? 4. 8. Explain how you know. As well as to identify unknown metallic ions by means of its flame test. 7. Use Table 1 in the Background section to record the approximate wavelength of light emitted for each metal in Data Table 2. Hypothesis If the element (independent variable) is placed in the fire (controlled variable), then the It was difficult to identify a couple of the elements that had colors that were similar. 2. Part Two: Spectroscopy 1. (down loaded file) The student will conduct flame tests on a number of unknown salt compounds. The purpose of this lab was to observe the characteristic colors produced by certain metallic ions when vaporized in a flame. Data Table 1: Table 2: Table 2: Test of Unknown Solution Unknown Color K(NO3) Light Orange; Results and Discussion- The data in table 1 shows that every metal tested emits a different color during a flame test. Explain how you know. Record the color and intensity (bright/faint) of the flame in the data table. Closure strategies will occur next day (due to time) with a discussion and a short quiz. Hold the q-tip over the flame and record the color of the flame on your data table. 3. Student Handout for Flame test (Microsoft Word 38kB Aug2 09) Using your data, identify the metal ion in your unknown solution.   Privacy Yes. Repeat steps 2-7 for the other two Flame Test Solutions using the remaining beakers and watch glasses 9. Repeat with other known compounds, using a clean splint each time. The lab will be introduced with a powerpoint on the mechanics of the release of energy from the atom. For this lab you must turn in the following items: Your data table recording flame test colors and wavelengths Answers to the following questions A one-page essay about how fireworks are made, concentrating on how they produce different colors but including details of …   Terms. Also, some metal ions display colors that are similar to each other making it hard to tell them apart. Analysis: 1. View Lab Report - Flame lab.docx from CHM 151 at Sandhills Community College. banawis hjc, baluyot kje, bullo pvgd. yellow-green. The heat of the flame excites the electrons of the metals ions, causing them to emit visible light. red. Part C: Flame Test of 4th Period Transition Metals. Learn vocabulary, terms, and more with flashcards, games, and other study tools. You will then practice calculating wavelength and frequency from the data collected. Students will record the dominant flame color observed. 6. Wave the splint through the flame. What is the identity of the unknown crystals? Convert each of the wavelengths in the Data Table from nanometers to meters. 3. Repeat steps 2 and 3 for each of the known materials. Question: Identification Of Gases Hands-On Labs, Inc. Record your observations in the data table below. Test all of the test sticks and make sure that you record the color of the flame for each element on the Data Table. The colors produced by the flame test are compared to known standards. Flame lab.docx - Atomic Emission and Flame Test Student Name Hailey Jones Date 1 Data Activity 1 Data Table 1 Name Line or Continuous Light Source 1, 13 out of 16 people found this document helpful, © 2016 Carolina Biological Supply Company. Flame Test Lab Activity Key Note: If chloride compounds are not available, metal nitrate compounds may be substituted. Flame Tests Lab Data Table: A. Flame Test Jocelyn Ochoa 3. View Flame Test Lab Data Tables.docx from SCIENCE 615 at Mount Hebron High. The Origin of Flame Colors; Contributors and Attributions; This page describes how to perform a flame test for a range of metal ions, and briefly discusses how the flame color arises. barium. Introduction to the Flame Test Lab: The Flame Test lab was an in-class lab where we tested chemicals in the flames to see the wide range of colors in the color spectrum. 5. 2.   Privacy Course Hero, Inc. The flame test is an analytical chemistry method used to help identify metal ions. Known Metal cations: Calculated Energy Color Sample Wavelength Test Samples AICI 640 nM BaCl2 byellow CaCl2 6 70 neon-9reeh 35 nm blue-gceen CuCl2 KCI Gly pucple 355 LICI 729 nm pink-ed NaCI 2bues 740 nm SrCl2 Brighr red FeCl2 yellow Unknown Metal cations: B. 6. Flame tests are used to identify the presence of a relatively small number of metal ions in a compound. Substances Sodium Chloride (NaCl) Sodium Bicarbonate (NaHCO3 ) Calcium Chloride … Dip the splint in cold water to extinguish. 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