Flame Tests By: Jordan Anthony‚ Zack Balog‚ and Evan Degraw Regents Chemistry class‚ Union Springs High School‚ 4th period January 19/2015 The purpose of this lab was to see what colors are characteristic of particular metallic ions in a flame test and use their characteristic color to identify other elements. Another purpose is to understand how fireworks work. This experiment will help one understand how a flame test is performed and that every metal has a unique bright
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ACTIVITY FLAME TEST Summary The purpose of this lab was to see how different compounds can change color while in a flame and with this color‚ I can identify the compound. The test involve putting sample element and see what color appears. Also Thermal excited electron goes from low to high energy level which raises the color but when the excitation ends electron gets to lower level which makes the color back to normal. In order to determine the identity of several unknowns‚ I will perform flame tests
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Livana Partners : Rachel Gideon‚ Joy Boake‚ Hannah Harper Various Color of Light as the Effect of Electron Emission Objective Observe the characteristic colors produced by certain metallic ions when vaporized in a flame. Identify the unknown metallic ions by means of its flame tests. Background When atoms absorb energy‚ electrons move into higher energy levels‚ and these electrons lose energy by emitting light when they return to lower energy levels. Energy levels are fixed energies that electrons
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A metal is a solid material which is either an element‚ a compound or an alloy. Metals share some common properties like being typically hard and shiny‚ and that metals are good electrical and thermal conductors. They are generally malleable‚ fusible and ductile. In a periodic table of elements‚ there are six groups of metals and two of them are the most common. It is the Alkali Metals and the Alkaline Earth Metals. Alkali metals comprise the group 1 elements. They are similarly shiny‚ soft
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Flame Test Lab Morgan Chemistry CP 5/30/14 Abstract- In the flame test lab‚ the flame test was performed to excite the electrons in the samples and observe the color of the flame. The flame emits a color because each element has an exactly defined emission spectrum‚ which one can use to identify them. For example‚ NaCl was highlighter yellow‚ Sr(NO3)2 was sun orange‚ CuCl2 was turquoise‚ LiCl was neon red‚ KCl was solar flare yellow‚ and BaCl2 was Voldemort green. Introduction- In Bohr’s
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Discussion: There were some patterns that were noticeable during this experiment. It was noticed that all of the sprays with the metal potassium in them had turned the flame a light pink for a few seconds. The sprays that held the copper in them all turned the flame a vivid green colour‚ with some including green sparks also. Both of the sodium bottles turned the flame orange for a short time. Electrons orbit the nucleus of an atom in energy levels. If atoms are heated up to the point where the
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11th D Flame Test Intro: The flame test is a procedure used by chemists to identify the presence of specified metal ions‚ based on the color the flame that appears along with it when it ’s heated. Our flame test was in lab class‚ where the main aim was to tested different solid metals in the flame in order to observe the wide variety of colors those chemicals also sometimes compounds (by mixing them) they produced‚ the second one was to identify unknown metals based on their flame color
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in a solution into the flame. Note color(s) of the flame and the duration of each color. Immerse the wooden splint in the distilled water to fully extinguish it‚ and then discard it in the trash. Record your results. 2. Repeat step 4 for each of the remaining salts. 3. Repeat step 4 for each of the unknown metals and predict the identity of the unknown metals. Repeat any of the known metals to help with this prediction. **Wash hands thoroughly before leaving the lab. ** Some of the salts
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Lab Questions: Are flame tests valuable for detecting metal ions present in a mixture of metal ions? Flame test may not be valuable for detecting individual metal ions present in a mixture of metal ions. Although each metal ion emits a different color of light‚ which corresponds to a certain wavelength of light‚ the presence of some elements may over power the flame and cause only certain wavelengths to be seen. For example‚ if sodium
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ions. Materials: Safety glasses 10 test tubes Test tube rack Paper Pencil 50 mL beaker Bunsen burner Nichrome wire Barium Nitrate Copper Nitrate Strontium Nitrate Lithium Nitrate Potassium Nitrate Sodium Chloride Calcium Nitrate Unknown solutions A‚B‚ & C Hydrochloric Acid Wash bottle (with distilled water) Procedure: 1. Label the test tubes with the names of the solutions and unknowns. 2. Place about 5 mL of each solution into each test tube‚ and 10 mL of Hydrochloric Acid into
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