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12 Nov 2019
College of Science and Technology Department of Chemistry and Forensic Science CHEM 1115 Chemical Calculations Exam 2-B DO NOT WRITE ON THE EXAM. Indicate your test version on your scantron fornm nd and answer each question carefully. Choose the best answer and use the scantron form for yo sers No cellphones arc allowed. . Classify the underlined matter: Sugar to put in a cup of coffee. Sugar can be classified as a(n) A) Element B) Ionic compound C) Compound D) Mixture 2. Conversion factors are used to increase the amount of a measurement. A) True B) False 3. Which of the following is a metal? A) sulfur B) oxygen C) calcium D) iodine 4. What is the total number of atoms in the compound: Al2(SO:) A) 20 B) 12 C) 3 D) 17 Give the number of protons (p), neutrons (n), and electrons (e) in a neutral atom of 131, A) 53 p, 131 n, 78 e B) 53 p, 131 n, 53e C) 78 p, 53 n, 78 e ) 53 p, 78 n, 53c Version 2 Page
College of Science and Technology Department of Chemistry and Forensic Science CHEM 1115 Chemical Calculations Exam 2-B DO NOT WRITE ON THE EXAM. Indicate your test version on your scantron fornm nd and answer each question carefully. Choose the best answer and use the scantron form for yo sers No cellphones arc allowed. . Classify the underlined matter: Sugar to put in a cup of coffee. Sugar can be classified as a(n) A) Element B) Ionic compound C) Compound D) Mixture 2. Conversion factors are used to increase the amount of a measurement. A) True B) False 3. Which of the following is a metal? A) sulfur B) oxygen C) calcium D) iodine 4. What is the total number of atoms in the compound: Al2(SO:) A) 20 B) 12 C) 3 D) 17 Give the number of protons (p), neutrons (n), and electrons (e) in a neutral atom of 131, A) 53 p, 131 n, 78 e B) 53 p, 131 n, 53e C) 78 p, 53 n, 78 e ) 53 p, 78 n, 53c Version 2 Page
Bunny GreenfelderLv2
1 Mar 2019