Flame Test MiniLab Camille Bedford Abstract In the
Flame Test Mini-Lab Camille Bedford Abstract In the Flame Test Mini-Lab, students were assigned various elements to put into and test in a flame to determine the color a certain element produced. Each student was given a stick that had a liquid element on the end in which we knew the type of element, which we were then instructed to place in the fire of a Bunsen burner to determine the color it produced. Using that information, we were then instructed to determine the type of element a stick with a mystery substance had when placed into a fire and gave off a color. This information helps scientists determine which elements may be found in a mystery liquid, which is helpful to know when given an unknown substance. My research during the Flame Test Mini. Lab was conducted through a series of small tests that involved taking thin wooden sticks with liquid elements on the end that we were to be put into the lame of a Bunsen burner. With this element, the flame would turn into a different color, and we were to use that information to determine the colors of unknown elements. We collected this data and recorded it on a given sheet of paper that we would later turn into the teacher. The element used in this photo was Strontium, which changed the flame bright red. Objectives In the Flame Test Mini Lab, the objective was to be able to find the color of each element given, and be able to determine element of a mystery substance when given only the color. How you determine this element is by using the data you had collected previously when you tested given elements, and you use the colors you determined in those experiments to find the elements of the mystery substance. How you would accomplish this is by taking a thin wooden stick and dipping it into a pre-determined liquid element. You would then put that stick into the flame of a lit Bunsen Burner and determine the color that arose from that element. You would repeat this process with various different elements that would spark various colors. At the end of this testing, you would reach a substance that was not pre-determined, and using the information of the colors you previously determined, you would choose different element/elements that could have potentially been mixed together to create this ‘mystery substance’ that you have now just identified. Lab Choices Results Methods The element used in this photo was cupric chloride, which is why the flame appears to be a bright green. . Name of Salt Formula of Salt Metal Symbol Flame Color Sodium Chloride Na. Cl Na Orange Calcium Chloride Na. Cl 2 Ca Vibrant Orange Lithium Chloride Li. Cl Li Deep Magenta Cupric Chloride Cu. Cl 2 Ci Green Barium Chloride Ba. Cl 2 Ba Light Orange • Flame Test Lab Potassium Chloride KCl K Light Purple • Hydrogen Gas Lab Strontium Chloride Sr. Cl 2 Sr Red • Human Cannonball Lab part 1 • Hanging Mass Lab • Variable Speed Car lab Lab Options: • Density Lab • Ionic/Covalent Conductivity Lab Here, we were given the names of the types of chemicals we were using, and had to determine the flame color when tested. Name of Salt Formula of Salt Metal symbol Flame Color Unknown 1 Ba. Cl 2 Ba Light Orange Unknown 2 Sr. Cl 2 Sr Red Unknown 3 KCl K Light Purple Here, we were given unknown mixtures of salt, and were left to determine the type based on our previous information from the first table. This photo represents the colors we would have tested in this Flame Test Mini-Lab • Book Drop Lab Mixture Color Metals in Mixture 1 Green and Orange Cu and Na Mixture 2 Orange Na and Ca Here, we were given a mixture of different types of salt, and were left to use the information in graph one to find the different types of metals used. Conclusions Throughout this experiment, the colors would continuously change with each chemical we tested, and we came to the conclusion that the reason for this chemical change was because electrons were constantly undergoing phase changes between energy levels, which would release different colors and shades of light. This experiment helped me better my understanding of phase changes, and what happens when they occur. This was an important discovery for each student’s comprehension, and I thought it was a very interesting lab in viewing what chemicals changed a flame into which color.
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