Exam108_answers - Exam 1 Chemistry 2401(10 I The answer to...

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Exam # 1 Chemistry 2401 – September 25, 2008 (10) I. The answer to each of the following is a number. Place that number in the space provided including a sign if required. __12_ A. The number of protons in the nucleus of a Mg +2 cation. __10_ B. Number of electrons in an atom of sulfur residing in p-type orbitals (all levels) __3__ C. Number of pi bond in a molecule of acetonitrile, CH 2 CHCN. __3__ D. Number of nonbonded electron pairs in a molecule of C 3 H 9 NO. __16_ E. The number of hydrogen atoms in a molecule of myrcene (right) (18) II. Provide appropriate IUPAC names for each of the following. B. A. C. D. E. CH 3 CH 3 CH 3 CH 2 CH CH CH 3 CH 3 CH 2 CH 2 CH 3 H CH 2 CH 3 H CH 3 CH 3 H F. CH 3 CH 2 C(CH 3 ) 3 CH 2 CH 2 CH(CH 2 CH 3 ) 2 (10) III. Complete each of the following statements by supplying the word omitted. A. A Lewis _ acid __ is a molecule that possesses an empty orbital thereby allowing it to form a chemical bond by accepting an electron pair from another molecule. B. Conformations of organic molecules in which the bonding electrons are eclipsed are high in energy. This is due to repulsion between these bonding electrons and is called
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This note was uploaded on 03/06/2012 for the course CHEMISTRY 90262 taught by Professor Mccord during the Spring '09 term at University of Central Arkansas.

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Exam108_answers - Exam 1 Chemistry 2401(10 I The answer to...

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