0. It was difficult to identify a couple of the elements that had colors that were similar. 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. What is released when an electron loses energy? When you start using the service, you will be asked to complete a brief form and in return, the site will offer you a complimentary download which contains a limited number of reports that you can get for a minimal time period. So I did a chemistry lab today and one part of the lab required us to perform a flame test. 3. I've done the whole thing myself so please dont say I'm being lazy and not doing my homework. 2. The Flame … 2. Students will record the dominant flame color observed. This basic lab activity is ideal for physical science and introductory chemistry classes. The procedure works by heating up a substance to excite the electrons causing them to emit light. Share. Post Lab Answers (50 pts)/ Answer in complete sentences. Blue, green, orange, red. The Flame Test lab was done in several parts. What is the flame test? CHEMISTRY LAB: FLAME TEST FOR METALS. answer choices . Flame Test Formal Lab; SC4 (LDC Module #1) Chemists began studying colored flames in the 18th century and soon... https://www.windowssearch-exp.com/search?q=post+lab+questions+answer+key&FORM=QSRE1 read … The zinc and the magnesium both caused a popping sound or as my teacher called it, a "bark". For you to be successful in this class you will need to do your own work and ask questions when you need clarification. 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. You may use you lab and completed omnigraffle. Answer the question below in paragraph form. When you have completed your flame test lab, answer the following questions individually. Most salts contain a metal and a non-metal. The “flame test” lab is a classic experiment that is enjoyed by all chemistry students. Flame Test - Flame Test Lab Report Answers is free lab report sample. I have no idea how to answer that other than that chloride readily takes up an electron since it is in the 7th group. Pre-Lab Questions: 1. Why do you think the chemicals have to be heated in the flame first before the colored light is emitted? Atomic Emission and Electron Energy Levels PowerPoint . 2. 701. Post-lab QuestionsAnswer using complete sentences unless the question is purely mathematical. Our website is made possible by displaying online advertisements to our visitors. 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. Place the rinsed looped wire into the empty test tube provided. 30 seconds . Dominant Color. Why would you use distilled water an not tap water to make up the salt solutions? Different elements burn with different colored flames. 2. Each of the substances you have tested is made up of a metal and chloride. Post Lab Answers (50 pts)/ Answer in complete sentences. Prezi’s Big Ideas 2021: Expert advice for the new year Use a separate piece of paper to answer these questions. Q. It was difficult to identify a couple of the elements that had colors that were similar. Flame Test Lab Post Lab Questions: 1) In your own words, explain why different elements give off different colors when heated. Period:! 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. Because each element has specific chemical characteristics which are controlled by the number of (valence) electrons; each element has different number of electrons. Hypothesis If the element (independent variable) is placed in the fire (controlled variable), then the Procedure: The procedure of this lab was, first, we had to put on all our safety gear, goggles, apron, and gloves. Period:! 3. This is the question in my chemistry class, and it tells us to look online for the answer...but I … 77% average ... 25 Questions Show answers. Flame Test Post-Lab Questions 1. You will measure wavelengths of each sample and then use the speed of light equation to determine the unknown chemical. Flame Test of Compounds and Colors is a low cost lab demonstration to fire up your students.This chemistry lab uses hand sanitizer and household chemicals of sodium chloride (table salt), potassium chloride (salt substitute), sodium borate (insecticide with borax acid) and potassium hydrogen tartare (cream of tartar) in a safe and fun fiery introduction to compounds! Approximate Wavelength (in nm)* Red. Hazel Banawis. Quizlet flashcards, activities and games help you improve your grades. i need help for these post lab questions 1. What happens to an electron when energy is added? Analytical Chemistry (CHM4) Uploaded by. Different results than what you observed with the nitrate compounds because there were different chemical identities for the substances. Why were all of the ions tested in a nitrate(NO3-) solution? Science. Overview Students will use small samples of 6 chloride salts of different metals. After watching the video, please answer the questions below. 622. Course. 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. Pre-Lab Answers (18 pts)/ Answer in complete sentences. Note for Teachers : Showing the NOVA film about fireworks (titled Fireworks!) Why do different metals have different characteristic flame test colors? 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?" 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. Your Lab Report should have all of the following items: Names, Date and Period (3 pts.) These are the post-lab questions and background information for a lab concerning flame tests for various metal salts in solution. Data Flame Test: Formula of Solid Element Name (Metal) of Color Flame Color kcl k Grey-blue Bacl2 Ba orange Srcl2 Sr red Nac1 Na Orange Cucl2 Cu Blue-green Cacl2 Ca Orange Lino Li Pink-red Determining identify of unknown compounds: Lab Analysis – Post Lab Questions 1) Write the ground state configuration of the following elements: a. Look at the compounds we tested and Version 42-0189-00-02 Lab Report Assistant Exercise 1: Gas And Flame Tests Data Table 1. What is the wave length of this radiation? Red … 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. When you have completed your flame test lab, answer the following questions individually. It may also improve the image of one’s corporation and bring within an grow and revenue and clients. 3. what colors are difficult for the human eye to see and ow does the lab address this issue? Purpose (3 pts.) SURVEY . Lab report - Experiment #1: Flame Test Experiment #1: Flame Test. 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. Post Lab Questions: 1. I have been looking for a fabric that is not treated with stain finish or fire retardants. Why do atoms of different elements give off different colors of light? Blog. Write out the electron configurations for each of the metallic ions to be tested in this investigation. What is the purpose of using cobalt glass in the identification of sodium and potassium? Post Lab Questions: Flame Test Lab. 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. We added Mg, Zn, Cu, and Al to hydrochloric acid in 4 different test tubes and then struck a match above each test tube. 2. 2. Question from Allen Flame test post lab questions answers. The secondary purpose of the lab was to identify unknown compounds that we would test and then guess as to what they were. NEW! These they will place into a flame in order to observe the colors produced. POST LAB QUESTIONS 1. Blog. Background. Feel free to look up answers … This is a lab I use in my Atom unit. 2017/2018. Played 417 times. 2. Chemists began studying colored flames in the 18th century and soon used “flame tests” to distinguish between some elements. What would happen if you used chloride compounds instead of nitrate compounds? 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. You will measure wavelengths of each sample and then use the speed of light equation to determine the unknown chemical. I then ask students to read over the questions in the Flame Test post-Lab Write Questions to see if they have any questions about the post-lab work. I'm writing a flame test lab report for chemistry. Identify unknown metallic Ions by means of its flame test. 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. Give off light when it wants to lose energy and emitting light lets it return to its original orbital. Observe the colour of light that is given off by each salt. Please consider supporting us by disabling your ad blocker. University. Tags: Question 2 . What does it show? Most salts contain a metal and a non-metal. What happens when atoms absorb energy? 1. explain the effect of the chloride ion on the color emission. Segment Points Requirements (Missing Items circled) Pre Lab: Safety, Q’s, Background, Variables, and Materials Pre-Lab Questions: 1. Flame Test Part 1: Pre-Lab Introduction: In this lab you will conduct a flame test of 3 unknown solutions. I just can't find any information on the relation between the two things. 3. 3. Flame Test Lab Questions Answer Key: 1. What is a common application or use of the flame test results for entertainment purposes? Post Lab Questions: Flame Test Lab. Red, orange, green, blue 5. a year ago. 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. Flame Test Post Lab Quiz Flashcards | Quizlet. You must always have access to the most recent reports and the online version is constantly devoid of charges. Question: Identification Of Gases Hands-On Labs, Inc. List and explain 2 or more specific examples in your response. Why would you … The flame was orange at the end of each test because the wood splint started burning. =) 1. Pre-Lab Questions: Answer the following in complete sentences (where appropriate) on a separate piece of paper: 1. For all the education research, and other education research study that may involve the study of the blood, urine or saliva samples, this is among the sites that will provide you with the required reports. com Flame Test Lab Questions Answer Key: 1. Template Notebook/Chemistry Labs/C-10007 Flame Test of Metal Cations/Post Lab Questions - created by Michelle Bunje on 2013-03-21 17:40:08 UTC Red-Orange. How to increase brand awareness through consistency; Dec. 11, 2020 Pre-Lab Questions: What color of light is the lowest in energy? What is the purpose of observing some of the tests through cobalt glass? Flame Test Lab Answer Key Selecting a complicated answering program workforce to operate in your case can change to be a really good approach to extend purchaser care gratification. List the electromagnetic spectrum from lowest to highest energy. Table (20 pts.) Question 1 . Finally, answer the questions and perform the exercises as indicated on your Report form. Under what circumstances do atoms give off light? Follow Your Instructor's Directions. What color should you expect sodium ions to impart to a flame? Please sign in or register to post comments. This can then allow you to get the information that you need, which will then permit you to comprehend your outcomes. Feel free to look up answers … Then we listened to the teacher about certain safety regulations and any questions needed to be answered. 1. Is the flame color a test for the metal or for the chloride in each compound? What happens to an electron when energy is added? (Ba2+, Cu2+, Li1+, K1+, Sr2+, Ca2+, Na1+) 2. Why do different metals have different characteristic flame test colors? 6. 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. Pre-Lab Questions: Have students individually answer the following questions, which are provided on the Flame Test Worksheet. 2. Comments. 4. What role did the cobalt glass play in the experiment? The flame would change its color depending on the metal ions present in the given element or compound. Use Table 1 in the Background section to record the approximate wavelength of light emitted for each metal in Data Table 2. 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. Blue, green, orange, red. 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. 2. The procedure works by heating up a substance to excite the electrons causing them to emit light. before or after this lab activity may enhance the learning it is meant to produce. ... Flame Tests of Metal Cations. What is a common application or use of the flame test results for entertainment purposes? 4. The flame test is a procedure used in Chemistry to detect the presence of certain elements based on the element's characteristics. Don't forget to rate and comment if you interest with this lab report sample. Because the structure of the atom is hard to visualize, I have students perform basic flame tests and then have them record their observations on a diagram I've included. How can a flame test be used to identify atoms? 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. You can go back to the site as typically as you like without any issues, and you will not be charged any fees when you do. If you are searching for the most current reports, or if you wish to acquire the initial report, then you need to find the Lab Report Download website. Explain your answer? Our Lady of Fatima University. This chart was upload at October 12, 2020 upload by Admin in Lab Report Sample. Different elements burn with different colored flames. 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 … Conclusion Question: How could this lab relate to real life? proton. The prelab will be due the day before your lab section. Quizlet flashcards, activities and games help you improve your grades. Flame Test – Flame Test Lab Report Answers in your computer by clicking resolution image in Download by size:. Gas Observations. Do not depend on answer keys to do your homework. Hi Debra, Thanks for dedicating your website to toxic free! What specific characteristics are we looking for in order to identify oxygen, hydrogen, and carbon dioxide by introducing a flame to the gas? Please Be Specific And Detailed. Hypothesis If the element (independent variable) is placed in the fire (controlled variable), then the 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. Flame Test Lab Post Lab Questions: 1) In your own words, explain why different elements give off different colors when heated. Review their worksheet answers to gauge their comprehension. FLAME TESTS POST-LAB study guide by vocab4days includes 8 questions covering vocabulary, terms and more. 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 … 2. Convert each of the wavelengths in the Data Table from nanometers to meters. 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 … 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. (other than forensics or a crime scene) Flame Test Lab Rubric. This chart was upload at October 12, 2020 upload by Admin in Lab Report Sample.. 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. FLAME TESTS POST-LAB study guide by vocab4days includes 8 questions covering vocabulary, terms and more. How do we know that it is the different metals that produce a different colour and not the chloride? (8 pts) (1.5 pts for formatting the table) Write your own table title that describes what is found in the table and is unique to just this part of this lab (0.5 pts) Table 1: Cation tests Observations of unknown cation Observations of control cation the flame was orange and bright yellow Test 1: Flame test for Na O Type here to search e I Emitted for each metal in Data Table 2 these they will place into a flame test is a experiment. Before the colored light is the purpose of the substance being tested unknown metallic ions means... Test because the wood splint started burning for a lab i use in my unit... Your computer by clicking resolution image in Download by size: place into a flame lab... Prezi ’ s Big Ideas 2021: Expert advice for the next time i comment listened to the recent! Lab question write the electron Configuration of the substance being tested wavelengths calculate! 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