ACS Chemistry II Study Guide

ACS Chemistry II Study Guide - CHM ACS 111 - COLLEGE FINAL...

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CHM 111 - COLLEGE CHEMISTRY II ACS FINAL EXAM PRACTICE SHEET 1. Atomic Structure A. Which statement is true ? 1. Protons and neutrons are relatively heavy, but occupy relatively little volume. 2. Electrons are relatively heavy, but occupy relatively little volume. 3. Protons and neutrons are relatively heavy, and occupy a relatively large volume. 4. Electrons are relatively heavy, and occupy a relatively large volume. B. Which of the following could be an isotope of the element X, represented by 7 14 X ? 1. 14 C 2. 15 O 3. 15 N 4. 14 Si C. Which of the following has the highest second ionization energy ? 1. Na 2. Ca 3. Ba 4. Al D. Which of the following has the smallest atomic radius ? 1. Na 2. K 3. Mg 4. Ar E. Which of the following has the largest electronegativity ? 1. K 2. Br 3. Kr 4. I 8/00
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CHM 111 ACS Final Exam Practice Sheet Page 2. Molecular Structure A. Which of the following molecules exhibits resonance? 1. NH 3 2. CH 4 3. NBr 3 4. SO 3 B. The Lewis diagram for BrF 3 is : .. .. .. : F : Br : F : .. .. .. : F : .. so that the molecular structure of BrF 3 is a : 1. trigonal bipyramid 2. trigonal pyramid 3. square pyramid 4. T-shape. C. The bond angle for a trigonal planar electron-pair geometry is : 1. 90°. 2. 120°. 3. 180°. 4. 109.5°. D. Which of the following molecules has no dipole moment ? 1. Cl – Be – Cl 2. H – O \ H 3. H 4. N = N = 0 | N / \ H H 3. Chemical Formulas and Reactions A. Which of the following elements forms an acidic oxide ? 1. Na 2. Ca 3. Fe 4. C B. Which of the following elements forms an oxide X 2 O 3 , and a phosphate XPO 4 ? 1. Na 2. Ca 3. Al 4. C 8/00 2
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CHM 111 ACS Final Exam Practice Sheet Page C. The percentage composition of tartaric acid is : C = 32.0%, H = 4.0%, O = 64.0%. Which of the following is a possible molecular formula ? (Atomic weights: C = 12.0, H = 1.0, O = 16.0) 1. C 2 H 4 O 4 2. CH 12 O 12 3. C 4 H 6 O 6 4. CH 2 O 4 D. The chemical name of H 2 S(aq) is : 1. dihydrogen monosulfide. 2.hydrogen sulfate. 3. hydrosulfuric acid. 4. hydrogen sulfide. 4. Stoichiometry A. How many grams of chlorine can be produced from the complete reaction of 100 g of MnO 2 ? MnO
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This note was uploaded on 07/15/2011 for the course CHEM 111 taught by Professor Ivett during the Spring '11 term at Trident Technical College.

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ACS Chemistry II Study Guide - CHM ACS 111 - COLLEGE FINAL...

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