lab1045_exp12 - Experiment 12: Molecular Structure...

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Experiment 12: Molecular Structure Chemistry 1045L- Purpose: The labs purpose was to learn how to construct Lewis Structures by looking at a molecule’s structure. This lab illustrates how to label polarity and resonance. This lab also demonstrated the proper measuring techniques of a protractor.
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Procedure: The procedure was followed by the guidelines at this link: http://www.chem.fsu.edu/chemlab/chm1045lmanual/molstructure/procedure.html . I did not deviate from the procedure. Data: See attached worksheets at end of the report. Calculations: Conclusion: Unknown A was found to be beryllium difluoride and nonpolar. It was nonpolar because each of the fluorine atoms were pulling in opposite directions at an angle of 180 degrees creating a uniform pull on the beryllium atom. Unknown F was found to be carbon trioxide and polar. It was polar because it was being pulled unequally by the double bonded oxygen. Unknown I was found to be nitrogen tetrahydride and nonpolar. It was nonpolar because hydrogen and nitrogen have similar electronegativity and all of
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lab1045_exp12 - Experiment 12: Molecular Structure...

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