You must always have access to the most recent reports and the online version is constantly devoid of charges. The flame was orange at the end of each test because the wood splint started burning. 4. Post Lab Questions: 1. When you have completed your flame test lab, answer the following questions individually. Why do atoms of different elements give off different colors of light? Hypothesis If the element (independent variable) is placed in the fire (controlled variable), then the Flame Test Lab Questions Answer Key: Oakparkusd.org. Flame Test Lab Post Lab Questions: 1) In your own words, explain why different elements give off different colors when heated. Pre-Lab Answers (18 pts)/ Answer in complete sentences. I am writing a lab report on flame test and one of the questions ask "In the flame tests, chloride salts of the various elements were used; how do we know that the colors came from the metal cation rather than the chloride anion?" What color should you expect sodium ions to impart to a flame? Post Lab Answers (50 pts)/ Answer in complete sentences. Course. We recently done a flame test experiment in science and we have to complete a some questions. Hi. Flame Test Post-Lab Questions 1. How can a flame test be used to identify atoms? Hi Debra, Thanks for dedicating your website to toxic free! Find GCSE resources for every subject. We will be partaking in the flame test lab at a safe distance from the flames – behind your computer screens! Different elements burn with different colored flames. in chemisty i did a flame test labe with diffrent metal ions can any one help me with thes post lab question? Pre-Lab Questions: Answer the following in complete sentences (where appropriate) on a separate piece of paper: 1. This is due to the fact that there are specific requirements that require to be met in order to access the files that are offered on the website. 2. The secondary purpose of the lab was to identify unknown compounds that we would test and then guess as to what they were. 3. After watching the video, please answer the questions below. You will then focus on principles relating to the scientific method and the presentation of experimental data after which you will perform an experiment Pre-Lab Questions: 1. It was difficult to identify a couple of the elements that had colors that were similar. Different results than what you observed with the nitrate compounds because there were different chemical identities for the substances. 77% average ... 25 Questions Show answers. 30 seconds . Post Lab Questions: Flame Test Lab. Relevant to flame tests lab answer key, Whether you could be a company proprietor blessed with too some cellphone calls, or an entrepreneur shopping to convert callers to shoppers with greater consistency, a phone answering assistance can typically be considered a valuable partner in maximizing your small business. SURVEY . Analytical Chemistry (CHM4) Uploaded by. You will measure wavelengths of each sample and then use the speed of light equation to determine the unknown chemical. 2. What happens to an electron when energy is added? Flame Test Lab Worksheet Name: _____Date: _____Period: ____ 1. Dec. 30, 2020. 1. explain the effect of the chloride ion on the color emission. Flame Test – Flame Test Lab Report Answers is free lab report sample. NEW! Explain your answer? Identify oxygen, hydrogen, and carbon dioxide by flame test? Period:! This basic lab activity is ideal for physical science and introductory chemistry classes. Flame Test – Flame Test Lab Report Answers in your computer by clicking resolution image in Download by size:. It is important to test a control portion of the methanol without any other compounds, to be able to see what the color of the methanol’s flame is. What determines the frequency (color) of photons? Period:! Why were all of the ions tested in a nitrate(NO3-) solution? com Flame Test Lab Questions Answer Key: 1. Flame Test Post Lab Quiz Flashcards | Quizlet. … Most salts contain a metal and a non-metal. Demonstrate their understanding of the relationship between electrons, energy, and light by explaining it in their explanation of their results in the flame test lab in post-lab questions, group and class discussions, and the discussion section of their lab report for the flame test lab. Why would you … before or after this lab activity may enhance the learning it is meant to produce. The responding variable was the color of the flame. Another advantage to being a member of the Lab Report website is that you will get unlimited access to all the different resources that it provides. 2. Reading the lab procedure will help you find the answers. It was difficult to identify a couple of the elements that had colors that were similar. Flame test part 2 1. You may use you lab and completed omnigraffle. Review their worksheet answers to gauge their comprehension. For you to be successful in this class you will need to do your own work and ask questions when you need clarification. answer choices . What does it show? Prezi’s Big Ideas 2021: Expert advice for the new year; Dec. 15, 2020. University. Quizlet flashcards, activities and games help you improve your grades. Hazel Banawis. 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. Because each element has specific chemical characteristics which are controlled by the number of (valence) electrons; each element has different number of electrons. What is the purpose of using cobalt glass in the identification of sodium and potassium? Tags: Question 2 . 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. Flame Test Lab Post Lab Questions: 1) In your own words, explain why different elements give off different colors when heated. The Flame Test lab was done in several parts. 701. Write The Electron Configuration Of The Following Atoms Or Ions: Na N3- Mn Zn2 2. Note for Teachers : Showing the NOVA film about fireworks (titled Fireworks!) Approximate Wavelength (in nm)* Red. What specific characteristics are we looking for in order to identify oxygen, hydrogen, and carbon dioxide by introducing a flame to the gas? The flame test is a procedure used in Chemistry to detect the presence of certain elements based on the element's characteristics. This can then allow you to get the information that you need, which will then permit you to comprehend your outcomes. Table (20 pts.) Question 1 . Why would you use distilled water an not tap water to make up the salt solutions? 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. All that you need to do is to have access to this website to gain access to this complimentary service, however if you need to have a more in depth look, then you will be needed to make a monthly payment. CHEMISTRY LAB: FLAME TEST FOR METALS. When you hand in this lab include (in this order) your answers to the pre-lab questions, this page, and the page with your answers to these questions. 2. Post-Lab Questions: Why is it important to test the flame color of the methanol without compounds dissolved in it? ... Flame Tests of Metal Cations. INSTRUCTORS: Rinse each looped wire with distilled water after each use. Blog. 2. The flame test is a procedure used in Chemistry to detect the presence of certain elements based on the element's characteristics The test shows the identity of the substance being tested. Helpful? FLAME TESTS POST-LAB study guide by vocab4days includes 8 questions covering vocabulary, terms and more. The prelab will be due the day before your lab section. Each of the substances you have tested is made up of a metal and chloride. Share. These are the post-lab questions and background information for a lab concerning flame tests for various metal salts in solution. electron. I know some of the chemicals I used in the lab are the same as some of the ones in fireworks but i don't know anything else. experiment 1 post lab questions, LAB 1 – The Scientific Method and Metric System Overview In this laboratory you will first watch a brief video on the importance of laboratory safety, organization and cleanliness. Observe the colour of light that is given off by each salt. The “flame test” lab is a classic experiment that is enjoyed by all chemistry students. The zinc and the magnesium both caused a popping sound or as my teacher called it, a "bark". The purpose of having the Laboratory Report is to help education researchers in addition to others who may be performing education research study in their labs and doing the analysis of the results. Atomic Emission and Electron Energy Levels PowerPoint . Version 42-0189-00-02 Lab Report Assistant Exercise 1: Gas And Flame Tests Data Table 1. This chart was upload at October 12, 2020 upload by Admin in Lab Report Sample. Students will record the dominant flame color observed. Flame test post lab questions answers Use Table 1 in the Background section to record the approximate wavelength of light emitted for each metal in Data Table 2. Gas Observations. 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. Please consider supporting us by disabling your ad blocker. Feel free to look up answers … What role did the cobalt glass play in the experiment? Academic year. The Flame Test lab was done in several parts. Look at the compounds we tested and Which subatomic particle is directly connected to the process of the flame test? Blue, green, orange, red. Most salts contain a metal and a non-metal. Hi..I was wondering if anyone could help me w/ these questions I have for my Flame Test Lab.. tyvm! There are also some post-lab questions as well. Dec. 30, 2020. 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 … (Ba2+, Cu2+, Li1+, K1+, Sr2+, Ca2+, Na1+) 2. Prezi’s Big Ideas 2021: Expert advice for the new year 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. Segment Points Requirements (Missing Items circled) Pre Lab: Safety, Q’s, Background, Variables, and Materials Why do different metals have different characteristic flame test colors? Post Lab Questions: Flame Test Lab. Name:!!Date:! Science Flame Test Print Dorm Decor Educational Poster for from flame test lab worksheet answer key , source:pinterest.com You need to understand how to project cash flow. 5. Our Lady of Fatima University. Metal/Color of Flame λ (nm) λ (m) ΔE (J) Post-Lab Questions 1. Question: Flame Test Lab Postlab Questions: Your Instructor May Ask You To Answer These In Your Lab Notebook, Or To Answer Directly On This Page And Tum It In, Or To Include These Answers In A Formal Lab Report. i need help for these post lab questions 1. It is important to test the color of the control (methanol) so we know where it is on the visible spectrum and we know how it reacts to heat. 2. Evaluate how much you have learned about the recommended laboratory techniques that promote safety and the best results. Dominant Color. Then we listened to the teacher about certain safety regulations and any questions needed to be answered. Post-Lab Questions: Why is it important to test the flame color of the methanol without compounds dissolved in it? 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. Your Lab Report should have all of the following items: Names, Date and Period (3 pts.) Record the wavelengths in … Pre-Lab Questions: Have students individually answer the following questions, which are provided on the Flame Test Worksheet. Flame Test 2. When you have completed your flame test lab, answer the following questions individually. Look at the compounds we tested and determine whether it is the metal or the non-metal that is responsible for the color produced in the flame test … What is the purpose of observing some of the tests through cobalt glass? What does a flame test indicate about the energy changes taking place among the Lab report - Experiment #1: Flame Test Experiment #1: Flame Test. Under what circumstances do atoms give off light? 4. Flame Test Part 1: Pre-Lab Introduction: In this lab you will conduct a flame test of 3 unknown solutions. Is the flame color a test for the metal or for the chloride in each compound? Pre-Lab Questions Purpose The purpose of this experiment was to observe the emission spectrum of atoms in a flame test.In this unit we are learning to identify trends and properties of atoms, and in doing so, we will look at the colors these elements give off based on their wavelengths. Blog. Conclusion Question: How could this lab relate to real life? 0. 6. What is a common application or use of the flame test results for entertainment purposes? POST LAB QUESTIONS 1. I've done the whole thing myself so please dont say I'm being lazy and not doing my homework. Purpose is to make it easier to observe the other colors within a flame of a substance because the cobalt glass emits specific colors of the light spectrum (yellow), Barium Nitrate [Ba(NO3)2 flame color/durations, Potassium Nitrate [KNO3] w/o Cobalt Glass, Mix of Sodium Nitrate and Potassium Nitrate w/o Cobalt Glass, Mix of Sodium Nitrate and Potassium Nitrate w/ Cobalt Glass. In the video, the scientist will expose seven different salts to a flame. 2. proton. The procedure works by heating up a substance to excite the electrons causing them to emit light. After several tests for each solution it was determined that the accepted values for each solution, in order, were: Ba(NO 3) 2, yellow-green; Cu(NO 3) 2, green; LiNO 3 List and explain 2 or more specific examples in your response. Flame Test - Flame Test Lab Report Answers - The Laboratory Report is among the lots of resources readily available to you on the Web for a wide range of education details associated to your laboratory work. Please watch the video below. 3. by es0231. 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. Your instructor will dip a looped wire into one of the solutions supplied, and then hold it in the Bunsen burner flame. That was absorbed Background section to record the wavelengths in … post lab Answers ( pts. When placed in a flame flame test lab post lab questions answers results for entertainment purposes orange at the end of each test because the splint! Why were all of the metallic ions by means of its flame test colors will be partaking in given... 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