Final Exam version A

Final Exam version A - Chemistry 221 Fall 2009 Final Exam...

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Chemistry 221 Fall 2009 Final Exam Do not open this exam until told to do so. Write you name on the back of the last page. All work must be shown for credit. MC._________ (30) 1. _________ (3) 2. _________ (13) 3. _________ (12) 4. _________ (5) 5. _________ (12) 6. _________ (18) 7. _________ (6) 8. _________ (15) 9. _________ (22) 10. _________ (15) 11. _________ (15) total. _________ (166) This score will be scaled to 180 points. Last Name ______________________________ First Name __________________________
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MULTIPLE CHOICE (3 pts. each). Write your answer on the line to the left of each question. There is only ONE correct choice for each question. ______1. Which set of electromagnetic radiation has less energy per photon than visible light? A) radio, infrared, microwave B) gamma rays, X-rays, ultraviolet C) X-rays, ultraviolet, infrared D) infrared, microwave, gamma rays ______2. Which set of four quantum numbers correctly identifies one of phosphorus’ highest energy electrons (the electron that would be ionized first)? A) n = 3 , l = 1 , m l = 1 , m s = +1/2 B) n = 3 , l = 0 , m l = 0 , m s = +1/2 C) n = 3, l = –1, m l = –1, m s = –1/2 D) n = 3, l = 2, m l = 1, m s = +1/2 ______3. Which of the electron configurations below corresponds to an atom with the largest second ionization energy ? The second ionization energy corresponds to the process: X + X 2+ + e - A) 1s 2 2s 2 2p 6 3s 1 B) 1s 2 2s 2 2p 6 3s 2 C) 1s 2 2s 2 2p 6 3s 2 3p 1 D) 1s 2 2s 2 2p 6 3s 2 3p 2 ______4. The element europium exists as two isotopes: 151 Eu and 153 Eu. Which of the following statements is TRUE? A) An atom of
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This note was uploaded on 07/10/2011 for the course MATH 251 taught by Professor Astina during the Spring '11 term at Portland State.

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Final Exam version A - Chemistry 221 Fall 2009 Final Exam...

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