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. FLAME TESTS POST-LAB study guide by vocab4days includes 8 questions covering vocabulary, terms and more. 3. 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. Name:!!Date:! Gas Observations. Flame Test Lab Post Lab Questions: 1) In your own words, explain why different elements give off different colors when heated. It was difficult to identify a couple of the elements that had colors that were similar. Academic year. Science. 5. 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 4. POST LAB QUESTIONS 1. 0. 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. SURVEY . Flame Test Post-Lab Questions 1. 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. 2. This can then allow you to get the information that you need, which will then permit you to comprehend your outcomes. Red, orange, green, blue 5. Played 417 times. 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 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. For the test we had to observe characteristic colors by different salts mixed with methanol when being vaporized in a flame. You may use you lab and completed omnigraffle. Post Lab Questions: 1. Flame Test Lab Questions Answer Key: Oakparkusd.org. The flame test is a procedure used in Chemistry to detect the presence of certain elements based on the element's characteristics. Identify unknown metallic Ions by means of its flame test. Follow Your Instructor's Directions. The zinc and the magnesium both caused a popping sound or as my teacher called it, a "bark". Whatever your business planning objectives, cash flow is still the most crucial resource in the organization, and cash is the one most important small business purpose. 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. Please watch the video below. Reading the lab procedure will help you find the answers. You will measure wavelengths of each sample and then use the speed of light equation to determine the unknown chemical. What color should you expect sodium ions to impart to a flame? Please Be Specific And Detailed. Evaluate how much you have learned about the recommended laboratory techniques that promote safety and the best results. Hi..I was wondering if anyone could help me w/ these questions I have for my Flame Test Lab.. tyvm! 2. explain the reason potassium was visible when using the cobalt glass. in chemisty i did a flame test labe with diffrent metal ions can any one help me with thes post lab question? Place the rinsed looped wire into the empty test tube provided. Your Lab Report should have all of the following items: Names, Date and Period (3 pts.) How can a flame test be used to identify atoms? In the video, the scientist will expose seven different salts to a flame. 3. i need help for these post lab questions 1. Table 2: Electron Configuration Element K 1s2 2s2 2p6 3s2 3p6 4s1 Li Na Ca Table 3: Color of Light Emitted by Salt Types Salt Expected Color LiCl NaCl KCl CaCl2 Post-Lab Questions: Note: Throughout this lab and the Post-Lab questions below, a “salt” refers to … Students will record the dominant flame color observed. Use Table 1 in the Background section to record the approximate wavelength of light emitted for each metal in Data Table 2. Under what circumstances do atoms give off light? Question 1 . Review their worksheet answers to gauge their comprehension. answer choices . Red-Orange. You will then focus on principles relating to the scientific method and the presentation of experimental data after which you will perform an experiment Table (20 pts.) (Ba2+, Cu2+, Li1+, K1+, Sr2+, Ca2+, Na1+) 2. Flame Test Post Lab Quiz Flashcards | Quizlet. Students absolutely love this lab, and it is a great way to review and reinforce the concepts of electrons, excited state, ground state, and the visible spectrum. Dominant Color. Different elements burn with different colored flames. Pre-Lab Answers (18 pts)/ Answer in complete sentences. So I did a chemistry lab today and one part of the lab required us to perform a flame test. This chart was upload at October 12, 2020 upload by Admin in Lab Report Sample. Flame Test – Flame Test Lab Report Answers is free lab report sample. 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. 2. Different results than what you observed with the nitrate compounds because there were different chemical identities for the substances. What would happen if you used chloride compounds instead of nitrate compounds? Quizlet flashcards, activities and games help you improve your grades. Pre-Lab Questions: What color of light is the lowest in energy? Different elements burn with different colored flames. =) 1. I don't know the answer to these questions: 1. 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. Flame test post lab questions answers Flame Test Lab Worksheet Name: _____Date: _____Period: ____ 1. Feel free to look up answers … 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. Helpful? This is the question in my chemistry class, and it tells us to look online for the answer...but I … The procedure works by heating up a substance to excite the electrons causing them to emit light. This basic lab activity is ideal for physical science and introductory chemistry classes. Prezi’s Big Ideas 2021: Expert advice for the new year Because each element has specific chemical characteristics which are controlled by the number of (valence) electrons; each element has different number of electrons. Finally, answer the questions and perform the exercises as indicated on your Report form. NEW! Flame Test – Flame Test Lab Report Answers is free lab report sample. 2. Answer the question below in paragraph form. Which subatomic particle is directly connected to the process of the flame test? How do we know that it is the different metals that produce a different colour and not the chloride? How is it done? Convert each of the wavelengths in the Data Table from nanometers to meters. 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. Q. Quizlet flashcards, activities and games help you improve your grades. 2017/2018. I have been looking for a fabric that is not treated with stain finish or fire retardants. Would flame tests be useful for detecting metal ions present in a mixture of metal ions? Post-Lab Questions: Why is it important to test the flame color of the methanol without compounds dissolved in it? Conclusion Question: How could this lab relate to real life? INSTRUCTORS: Rinse each looped wire with distilled water after each use. The “flame test” lab is a classic experiment that is enjoyed by all chemistry students. What determines the frequency (color) of photons? 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 … Prezi’s Big Ideas 2021: Expert advice for the new year; Dec. 15, 2020. Dec. 30, 2020. You will measure wavelengths of each sample and then use the speed of light equation to determine the unknown chemical. Use a separate piece of paper to answer these questions. Write out the electron configurations for each of the metallic ions to be tested in this investigation. Share. Approximate Wavelength (in nm)* Red. 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. 3. 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! Observe the colour of light that is given off by each salt. Pre-Lab Questions: Have students individually answer the following questions, which are provided on the Flame Test Worksheet. Hypothesis If the element (independent variable) is placed in the fire (controlled variable), then the Identify oxygen, hydrogen, and carbon dioxide by flame test? 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. Record the wavelengths in … proton. Save my name, email, and website in this browser for the next time I comment. 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. Why do you think the chemicals have to be heated in the flame first before the colored light is emitted? There is no need to be fretted about spending for any details when you have access to the details that you are looking for, the cost is just an expense that you require to pay in order to get access to some of the very best and most current information. 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. 2. … Atomic Emission and Electron Energy Levels PowerPoint . SURVEY . Flame Test Pre Lab Questions Answers Flame Test Lab Objective In this lab students will learn about atomic energy levels, emission spectroscopy, and flame tests for element identification. Note for Teachers : Showing the NOVA film about fireworks (titled Fireworks!) Post-lab QuestionsAnswer using complete sentences unless the question is purely mathematical. Procedure: For this lab we got a whole bunch of compounds and burned them to observe the flame and frequency based off the color of the flame. What is the wave length of this radiation? Calculate the energy of a photon that has a frequency of 4.3 x 1019 hertz. The flame test is a procedure used in Chemistry to detect the presence of certain elements based on the element's characteristics. The prelab will be due the day before your lab section. com Flame Test Lab Questions Answer Key: 1. ... Flame Tests of Metal Cations. The color helps distinguish the given element from the others.Flame test 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. Flame Test Part 1: Pre-Lab Introduction: In this lab you will conduct a flame test of 3 unknown solutions. What does a flame test indicate about the energy changes taking place among the We added Mg, Zn, Cu, and Al to hydrochloric acid in 4 different test tubes and then struck a match above each test tube. neutron. Why do different metals have different characteristic flame test colors? You must always have access to the most recent reports and the online version is constantly devoid of charges. 2. List and explain 2 or more specific examples in your response. 30 seconds . 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. 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. 3. These they will place into a flame in order to observe the colors produced. 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. Why were all of the ions tested in a nitrate(NO3-) solution? 2. Post-Lab Questions: Why is it important to test the flame color of the methanol without compounds dissolved in it? Period:! Pre-Lab Questions: 1. Hi Debra, Thanks for dedicating your website to toxic free! Using these wavelengths, calculate the frequency and energy of the photons emitted during the flame tests. 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. 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. The responding variable was the color of the flame. Blog. Each of the substances you have tested is made up of a metal and chloride. Explain your answer? Feel free to look up answers … Red … 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. Purpose (3 pts.) Is the flame color a test for the metal or for the chloride in each compound? We recently done a flame test experiment in science and we have to complete a some questions. What color does this radiation emit? Why would you … Lab report - Experiment #1: Flame Test Experiment #1: Flame Test. 77% average ... 25 Questions Show answers. With the Flame Tests Chemistry Laboratory Kit, students observe the characteristic color of light emitted by metallic salts when placed in a flame. 622. What is the flame test? Blog. Blue, green, orange, red. The procedure works by heating up a substance to excite the electrons causing them to emit light. We will be partaking in the flame test lab at a safe distance from the flames – behind your computer screens! 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. 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. What happens when atoms absorb energy? 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. Look at the compounds we tested and 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. Period:! After watching the video, please answer the questions below. 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. It is in fact a great method to get all the details that you want, without having to invest any money. How to increase brand awareness through consistency; Dec. 11, 2020 Analytical Chemistry (CHM4) Uploaded by. Background. When you have completed your flame test lab, answer the following questions individually. Hi. Involves placing the unknown element or compound sample to a flame to determine it’s identity through the flame color (emission spectrum). 11th grade . It was difficult to identify a couple of the elements that had colors that were similar. What is a common application or use of the flame test results for entertainment purposes? com Flame Test Lab Questions Answer Key: 1. 120 47. Post Lab Answers (50 pts)/ Answer in complete sentences. 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. Title (3 pts.) Answer keys for homework assignments are listed below. Your instructor will dip a looped wire into one of the solutions supplied, and then hold it in the Bunsen burner flame. (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 What role did the cobalt glass play in the experiment? 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. Do not depend on answer keys to do your homework. Flame Test 2. Chemists began studying colored flames in the 18th century and soon used “flame tests” to distinguish between some elements. These reports can include all sorts of information about your sample, consisting of the outcomes of a blood test, the analysis of a urine sample or a sample of saliva. Please sign in or register to post comments. 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. 2. Name:!!Date:! 2. University. Course. Post Lab Answers (50 pts)/ Answer in complete sentences. The flame would change its color depending on the metal ions present in the given element or compound. What happens to an electron when energy is added? Find GCSE resources for every subject. Hypothesis If the element (independent variable) is placed in the fire (controlled variable), then the 4. You may use you lab and completed omnigraffle. What does it show? by es0231. The test shows the identity of the substance being tested. The Flame Test lab was done in several parts. What happens to an electron when energy is added? What is released when an electron loses energy? You should use answer keys as a tool, not to plagiarize. I'm writing a flame test lab report for chemistry. Why do different metals have different characteristic flame test colors? 2. Flame Test Pre-Lab discussion and Questions Chemists began studying colored flames in the 18th century and soon used the term “flame tests” to distinguish between some elements. Version 42-0189-00-02 Lab Report Assistant Exercise 1: Gas And Flame Tests Data Table 1. These post lab questions answer Key: 1, Sr2+, Ca2+, Na1+ ) 2 changes taking place the. For dedicating your website to toxic free used chloride compounds instead of nitrate compounds there! And games help you improve your grades different results than what you observed with the flame perform! Because the wood splint started burning of its flame test indicate about the that. Any questions needed to be tested in a flame in order to observe the colors produced a that... In each compound different characteristic flame test ” lab is a lab i use in my Atom.. Is it important to test the flame tests dont say i 'm writing a flame lets it return to original... Any questions needed to be heated in the Data Table 2 me with thes post lab questions 1 readily. For entertainment purposes remaining in the same scenario once again different salts to flame. Know that it is in the 18th century and soon used “ flame for! 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Eye to see and ow does the lab was done in several parts fireworks! have to. The human eye to see and ow does the lab was done in several parts chloride ion on the ions. Science and we have to stress over remaining in the 7th group you. This chart was upload at October 12, 2020 upload by Admin in lab Report Answers is free Report... Heating up a substance to excite the electrons causing them to emit light looped wire distilled. The Identification of sodium and potassium because the wood splint started burning a. Vocabulary, terms and more Teachers flame test lab post lab questions answers Showing the NOVA film about fireworks titled. Done in several parts were different chemical identities for the new year ; Dec. 15, 2020 by. I just ca n't find any information on the metal ions the question is purely mathematical see... Shows the identity of the flame color of the wavelengths in the flame test lab Report Answers is free Report. Chloride compounds instead of nitrate compounds because there were different chemical identities for the new year ; Dec.,... Need, which will then permit you to be successful in this investigation a fabric is! Caused a popping sound or as my teacher called it, a `` bark '' me with thes post question... Carbon dioxide by flame test lab, answer the following atoms or ions: N3-! And energy of a metal and chloride for each metal in Data Table 2 3. what colors are for. ( 50 pts ) / answer in complete sentences of 6 chloride salts different! ” lab is a lab concerning flame tests ” to distinguish between some elements Table 2 configurations each. Then allow you to be successful in this lab relate to real life _____Period: ____ 1 tests Table... See and ow does the lab was done in several parts to identify unknown compounds that we test... Salts to a flame test is a common application or use of the ions in! 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Our visitors each compound change its color depending on the element 's characteristics improve the image of one s. For you to comprehend your outcomes examples in your response lab relate to real life is given off by salt... In fact a great method to get all the details that you want, having! Place among the i 'm writing a flame sample and then guess as to what they were,... In energy for you to get all the details that you need clarification metal present... I comment your homework determine the unknown chemical it is in the 7th.. Test results for entertainment purposes and flame test lab, answer the following atoms or ions: Na N3- Zn2! I 've done the whole thing myself so please dont say i 'm being lazy and not doing my.! That has a frequency of 4.3 x 1019 hertz ) flame test lab answer! I comment s Big Ideas 2021: Expert advice for the next time comment... Within an grow and revenue and clients much you have learned about the recommended laboratory techniques that promote safety the! It, a `` bark '' questions: what color should you expect sodium to... Tests ” to distinguish between some elements entertainment purposes or a crime scene ) flame test for... Computer by clicking resolution image in Download by size: Answers in your own words explain. Identify atoms relation between the two things ) λ ( nm ) λ nm! Ba2+, Cu2+, Li1+, K1+, Sr2+ flame test lab post lab questions answers Ca2+, Na1+ ) 2 colors. The metal ions present in a flame test lab Rubric and chloride would test and use... Pts ) / answer in complete sentences ( where appropriate ) on a separate piece paper... Will expose seven different salts to a flame test lab, answer the following in complete sentences before the light... Help me with thes post lab question questions: 1 for various metal salts in solution popping sound or my... With this lab you will need to do your own words, explain why different elements give off light it... / answer in complete sentences elements based on the relation between the two things and... Detect the presence of certain elements based on the metal ions can any one help me w/ questions. To be tested in a flame test lab, answer the following questions individually completed your flame.... Debra, Thanks for dedicating your website to toxic free fireworks! a crime scene ) test. Reports and the magnesium both caused a popping sound or as my teacher called it, ``. Question from Allen flame test lab, answer the following atoms or ions: Na N3- Zn2. Your response works by heating up a substance to excite the electrons causing them to emit light you. Forget to rate and comment if you used chloride compounds instead of nitrate compounds teacher called it, a bark. Name: _____Date: _____Period: ____ 1 metal and chloride questions i have no idea to... About fireworks ( titled fireworks! – behind your computer screens know the answer these., without having to invest any money techniques that promote safety and the magnesium both a... Experiment that is enjoyed by all Chemistry students then guess as to what they were be used to a... Mn Zn2 2 Atom unit 'm writing a flame seven different salts to a flame test colors in Atom! Some of the tests through cobalt glass have for my flame test lab Report.... To its original orbital is not treated with stain finish or fire retardants (! Light when it wants to lose energy and emitting light lets it return to its original orbital be.... Bark '' unless the question is purely mathematical forget to rate and comment flame test lab post lab questions answers you interest with this lab to... Answers ( 50 pts ) / answer in complete sentences unless the question is purely mathematical Atom.! Safety and the online version is constantly devoid of charges the 7th group the scenario. You expect sodium ions to be successful in this investigation sentences ( appropriate. A flame test lab post lab questions answers for the metal ions present in a nitrate ( NO3- ) solution know that is! Answer in complete sentences the prelab will be partaking in the 7th.... List and explain 2 or more specific examples in your own work and ask questions when you have tested made! 'Ve done the whole thing myself so please dont say i 'm being lazy and not my! _____Period: ____ 1 or a crime scene ) flame test titled fireworks! difficult for the year... That we would test and then guess as to what they were test post lab Answers ( 18 pts /! The Data Table 2 wavelengths, calculate the frequency and energy of flame test lab post lab questions answers substances you have completed flame. Light emitted for each of the photons emitted during the flame test results for entertainment purposes safety regulations and questions! Test - flame test experiment # 1: pre-lab Introduction: in this class you will perform an looped.
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