Cobalt blue glass can be provided if available. As well as to identify unknown metallic ions by means of its flame test. The beaker I used was an ordinary glass beaker, without a lid. A compound is an example and this could result in the change of the colour. Some compounds do not change the colour of the flame at all. Saturated calcium ethanoate solution (must be saturated), Lithium chloride (LiCl) solution in a spray bottle; 1 spatula amount in 100 cm, Copper(II) chloride (CuCl2) solution in a spray bottle;1 spatula amount in 100 cm, Sodium chloride (NaCl) solution in a spray bottle; 1 spatula amount in 100 cm, Lithium chloride (LiCl) solution in a beaker; 1 spatula amount in 100 cm, Copper(II) chloride (CuCl2) solution in a beaker; 1 spatula amount in 100 cm, Sodium chloride (NaCl) solution in a beaker; 1 spatula amount in 100 cm, 12 cm length of nichrome or platinum wire. While it's a useful qualitative analysis test—and a lot of fun to perform—it can't be used to identify all metals because not all metal ions yield flame colors. 2.b. I also predict that all of the metals will emit a color in the visible spectrum. Stir until a solid is formed. After setting up my equipment I will then be ready to start the experiment. When there is an unknown compound, the metal can be found by using previous data from previous tests. Includes a video aimed at learners, kit list, instruction and explanation. There are directions to be found by clicking here. Metals change the colour of a flame when they are heated, different metals give different colors. Obviously it isn’t the gods’ doing but you are intrigued as to what is happening. This also proves my hypothesis to be correct. The flame test is an easy experiment to set up and is often conducted in science classes. Metals change the colour of a flame when they are heated, different metals give different colors. Record the metal salt solution and the flame colour. Place the wire in the flame and observe any change in the flame color. Information about your use of this site is shared with Google. According to the article, t. he strength of a prosecution rests on the ability of law enforcement personnel to connect the accused with the victim by matching physical evidence from the crime scene or victim with trace evidence found on or about the person accused of the crime. You may wish to observe the flame test color through a blue filter to remove any yellow. When conducting a flame test, be wary of any contamination of the fuel or loop with sodium, which is bright yellow and masks other colors. Take one of the spills from one of the conical flasks containing a metal salt solution. The citrate slant resulted in a color change from green to blue of the entire slant. What group, from the periodic table, do these elements exist? 119 47. Our Lady of Fatima University. A metal salt consists of a component cation (the metal) and an anion. 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. Each element gives off a, We were given 9 solutions and 7 of them were already identified while the other two were repeats but we had to use their flame to determine which element they were, Li- Red (Lithium burned the best out of all of them), UV radiation is dangerous and is located just past the violet region on the spectrum, IR radiation is harmless and is located just before the red region on the spectrum. Bunsen burners or adjustable commercial blow torch. 3. First of all it comes into contact with the skin then you should immediately wash it off, then go seek medical attention. Note the colour and record the result. (Find a price that suits your requirements), * Save 10% on First Order, discount promo code "096K2". Light the Avoid permanganates, nitrates and chlorates. This activity is designed for secondary age students but could be used with upper primary pupils. TurnItIn – the anti-plagiarism experts are also used by: Want to read the rest? 2. We will be using the ... All Papers Are For Research And Reference Purposes Only. Flame Test Lab. Dorwins• 2 months ago. This happens because every metal has a different bright line spectra. Sign up to view the whole essay and download the PDF for anytime access on your computer, tablet or smartphone. The employees rushing from the building are calling "It's the potassium nitrate tank...hurry!". The procedure of this test is simple as it involves introducing sample of the compound or element to a non-luminous, hot flame, and examining the color of the resulting flame. These colors can be put on a bright line spectra which shows every color that the element produces in a flame test.1 Each element has a unique bright line spectra and thus can be identified by using its bright line spectra. Flame tests can also be used to find the color of fireworks one wants to use. At room temperature, metals are solid except mercury. This information can be used to identify elements in space to tell whether a planet has oxygen on it or not. red, orange, yellow, green, blue, indigo, violet. How are elements identified by using a flame test? Many fuels have sodium contamination. An alternative to the flame test is the bead test or blister test, in which a bead of salt is coated with the sample and then heated in a Bunsen burner flame. All Rights Reserved. Related documents. They were then burned to see what color flame they would produce. Log in now! 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.