Exam1_practice

Exam1_practice - CH145, Fall 2009 Part 1: 6 pts each 1. The...

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CH145, Fall 2009 Exam 1 – PRACTICE Part 1: 6 pts each 1. The amplitude of electromagnetic radiant energy ________. A. reflects its quantum energy level B. dictates the kinetic energy of a corresponding photoelectron C. refers to the crest-to-crest distance of the wave function D. reflects the intensity of the radiation E. is inversely proportional to its frequency 2. According to the de Broglie relationship, what is the wavelength associated with a Jonathan Papelbon fastball thrown at 96.0 mph (42.9 m/s) if the mass of a baseball is 145 g? 3. Which of the following pairs of orbitals is degenerate ? A. 1s of hydrogen and 1s of helium B. 1s of hydrogen and 2s of hydrogen C. 2s of hydrogen and 2p x of helium D. 2p x of helium and 2p y of helium E. σ 1s of H 2 and σ 1s * of H 2 4. Provide a complete set of 4 quantum numbers for the highest energy electron of ground-state Ti 3+ . 5. How many radial nodes exist in a 3d xy orbital? 6.
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This note was uploaded on 02/09/2010 for the course CH CH242 taught by Professor Katz during the Spring '10 term at Colby.

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Exam1_practice - CH145, Fall 2009 Part 1: 6 pts each 1. The...

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