Chem 115 Exam1Key

Chem 115 Exam1Key - page 1 of 8 KEY Name Last 5 digits of...

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α page 1 of 8 Name _____________________________________ KEY Last 5 digits of Student Number: XXX – X ___ – ___ ___ ___ ___ (may be the same as your social security number) Chem 103 Sample Examination #1 This exam consists of eight (8) pages, including this cover page. Be sure your copy is complete before beginning your work. If this test packet is defective, ask for another one. A copy of the Periodic Table will be distributed with the exam on a separate piece of paper. You may use the back side of the Periodic Table as scratch paper. No work on scratch paper will be graded or collected. DO NOT WRITE BELOW THIS LINE Disclaimer: This is a copy of a typical Exam 1 given in Chem 103 during the academic year. Your test will be different. This test is being posted to give you a sense of the format, style, scope and level of a typical test on this material. This test may have questions on topics that may not be covered on your exam. Moreover, your test may have questions on topics not covered in this practice exam. Posting this test in no way limits the format, style, scope and level of the test that you will take. Do not limit your preparation to the material in this practice exam. Part 1 (out of 51): Part 2. Problem 1 (out of 16): Part 2. Problem 2 (out of 16): Part 2. Problem 3 (out of 16): TOTAL (out of 100):
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α Name ________________________________________ page 2 of 8 Part 1. Multiple Choice and Short Response (each question is worth 3 points) 1. Identify which of the following diagrams represents an element, and explain why it is not a compound or a mixture. (D) is an element. [1 pt] It is not a compound because there is only one kind of element in it. [1 pt] It is not a mixture because there is only one kind of unit in it (N 2 ), unlike (A) and (C). [1 pt] (A) C C C C C C H H H H H H C H (B) Cl O H l O O H (C) Ne Kr Kr Kr Kr Kr Kr Kr Ne Ne Ne Ne Ne Ne Ne Ne Ne Ne Ne Ne Ne Ne Ne Ne Ne (D) N N N N N N N 2. Which of the following properties is extensive, and therefore could not be used in determining the identity of a material?
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This note was uploaded on 10/24/2011 for the course ANP 101 taught by Professor Jaques during the Spring '11 term at Queens University.

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Chem 115 Exam1Key - page 1 of 8 KEY Name Last 5 digits of...

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