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Energies of Electrons

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S: Seasons of Change

FC: Energies of Electrons | Kristen Cordero

1: Introduction | Gamma rays, x-rays, microwaves, radio waves, and visible light all have something in common: they are all forms of electromagnetic radiation. | 1. Observe how a simple diffraction grating spectroscope operates. 2. Observe and draw the spectra of several elements. | Objectives

2: Procedure | 1. Observe a continuous spectrum by looking at an incandescent light with your Spectrometer. 2. Light your Bunsen burner. Adjust the burner until it procedures a blue or colorless flame. 3. Dip a presoaked splint into the lithium chloride. 4. Have your lab partner look through the spectrometer at the flame. Pit the tip of the splint in the flame long enough for the salt to burn. 5. Have your lab partner observe the spectrum that forms. Remoisten and redip the stick if necessary. Sketch the spectrum at the appropriate calibration marks. 6. Repeat steps 3-5 for the remaining known salts and a unknown salt, using a new splint for each test.

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  • By: Kristen C.
  • Joined: about 7 years ago
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  • Title: Energies of Electrons
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  • Published: almost 7 years ago