120A midterm 1 key spring2010

120A midterm 1 key spring2010 - CHEMISTRY 120A - Inorganic...

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1 CHEMISTRY 120A - Inorganic Chemistry EXAM 1 Tuesday, April 20 th 2010 Guidelines (Please Read Carefully): This is an Open Book and Open Note Exam. Laptops, PDA’s, iPhones/Blackberries, Cell Phones or Calculators are prohibited. Anyone observed using these items will be excused from the Exam and will receive Zero Credit . Show Your Work: You will not receive maximum credit unless your work is clearly shown in the spaces provided. Do not attach additional work sheets (these will not be graded). This Exam Consists of 7 Questions and 7 Pages. Good Luck!! Question 1 ________/ 10 Question 2 ________/ 10 Question 3 ________/ 10 Question 4 ________/ 20 Question 5 ________/ 10 Question 6 ________/ 10 Question 7 ________/ 30 NAME: ___ _Answer Key ____________________ SECTION: ______________________________ PID: ___________________________________ TOTAL
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2 Question 1 (10 Points): Consider the angular wave functions (Y lml ( φ , θ )) in Cartesian coordinates for the s, p and d orbitals. What mathematical dependency differentiates the shapes of these orbitals? Explain. The s orbital has no dependence on the Cartesian Axis system, and is spherical. The p orbitals have a linear dependence on the Cartesian Axis system. The d orbitals have a quadratic dependence on the Cartesian Axis system. Question 2 (10 Points):
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120A midterm 1 key spring2010 - CHEMISTRY 120A - Inorganic...

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