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Sample Exam (2005) - Name Student number Chemistry...

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Name: ____________________ Student number: ______________ Page 1 of 24 Continued on next page Chemistry 1A03/1E03 December, 2005 VERSION 1 Instructors: A. Bain, J. Barbier, R. Dumont, P. Lock, I. Vargas-Baca Duration: 3 hours MCMASTER UNIVERSITY FINAL EXAMINATION This exam contains 28 numbered pages. There are 35 multiple-choice questions appearing on pages numbered 3 to 23. Pages 24-26 are extra space for rough work. Page 27 includes some useful data and equations, and there is a periodic table on page 28. You may tear off the last pages to view the periodic table and the data provided. These question sheets must be returned with your answer sheet. However, no work written on the question sheets will be marked . You must enter your full name and student number on this question sheet, as well as on the answer sheet . Your invigilator will be checking your student card for identification. You are responsible for ensuring that your copy of the question paper is complete. Bring any discrepancy to the attention of your invigilator. Questions 1 to 25 are each worth 2 marks, questions 26 – 35 are each worth 3 marks; the total marks available are 80. There is no additional penalty for incorrect answers. BE SURE TO ENTER THE CORRECT VERSION OF YOUR TEST (shown near the top of page 1), IN THE CORRECT COLUMN ON THE ANSWER SHEET. ANSWER ALL QUESTIONS ON THE ANSWER SHEET, IN PENCIL. Instructions for entering multiple-choice answers are given on page 2. SELECT ONE AND ONLY ONE ANSWER FOR EACH QUESTION from the answers (A) through (E). Only Casio FX 991 electronic calculators may be used; but they must NOT be transferred between students. Use of periodic tables or any aids, other than those provided, is not allowed. Do not make contact with other students directly. Try to keep your eyes on your own paper – looking around the room may be interpreted as an attempt to copy. Academic dishonesty may include, among other actions, communication of any kind (verbal, visual, etc .) between students, sharing of materials between students, copying or looking at other students’ work. If you have a problem please ask the invigilator to deal with it for you.
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Name: ____________________ Student number: ______________ Any questions not relevant to Chem 1A03 Fall 2008 have been covered up, to prevent confusion. Please note blank pages when printing. Exam answers will not be posted, but you are welcome to discuss them in WebCT bulletin board or in office hours/help centre. Questions 1 – 25 are worth 2 marks each. 1. A sample of hydrogen atoms have their electrons excited to various energy levels; this is followed by emission of light. Which one of the following transitions would produce the photons with the shortest wavelength? (A) n = 2 n = 1 (B) n = 3 n = 2 (C) n = 7 n = 6 (D) n = 5 n = 2 (E) n = 4 n = 1
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