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Become familiar with - ETS Home

GRE Chemistry Test . Practice Book This practice book contains n one actual, full-length GRE Chemistry Test n test-taking strategies Become familiar with n test structure and content n test instructions and answering procedures Compare your practice test results with the performance of those who took the test at a GRE administration. Table of Contents Overview ..3. Test Content ..3. Preparing for the Test ..4. Test-Taking Strategies ..4. What Your Scores Mean ..5. Taking the Practice Test ..5. Scoring the Practice Test ..5. Evaluating Your Performance ..6. Practice Test ..7. Worksheet for Scoring the Practice Test ..51. Score Conversion Table ..52. Answer Sheet ..53. Alt text is provided for 77 of the 130 GRE Chemistry Test questions in this practice book. However, because of the complexity and length of the verbal descriptions that the graphics associated with some of the questions would require, it is not practical to provide alt text for all 130 questions in this test.

GRE ® Chemistry Test Practice Book This practice book contains n. one actual, full-length . GRE ® Chemistry Test n. test-taking strategies. Become familiar with

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1 GRE Chemistry Test . Practice Book This practice book contains n one actual, full-length GRE Chemistry Test n test-taking strategies Become familiar with n test structure and content n test instructions and answering procedures Compare your practice test results with the performance of those who took the test at a GRE administration. Table of Contents Overview ..3. Test Content ..3. Preparing for the Test ..4. Test-Taking Strategies ..4. What Your Scores Mean ..5. Taking the Practice Test ..5. Scoring the Practice Test ..5. Evaluating Your Performance ..6. Practice Test ..7. Worksheet for Scoring the Practice Test ..51. Score Conversion Table ..52. Answer Sheet ..53. Alt text is provided for 77 of the 130 GRE Chemistry Test questions in this practice book. However, because of the complexity and length of the verbal descriptions that the graphics associated with some of the questions would require, it is not practical to provide alt text for all 130 questions in this test.

2 The statement No alt text is included for each of the 53 questions for which alt text is not provided. If you need additional accessible practice material for the GRE Chemistry Test, contact ETS Disability Services at 1-609-771-7780 or Copyright 2017 by Educational Testing Service. All rights reserved. ETS, the ETS logo, MEASURING THE POWER OF LEARNING, GRADUATE RECORD EXAMINATIONS, and GRE are registered trademarks of Educational Testing Service (ETS) in the United States and other countries. Overview I. Analytical Chemistry (15%). The GRE Chemistry Test consists of about 130 A. Data Acquisition and Use of Statistics . multiple-choice questions. Testing time is 2 hours and Errors, statistical considerations 50 minutes; there are no separately-timed sections. B. Solutions and Standardization . A periodic table is printed in the test booklet as Concentration terms, primary standards well as a table of information (see pages 8 and 9).

3 Presenting various physical constants and a few C. Homogeneous Equilibria Acid-base, conversion factors among SI units. Whenever oxidation-reduction, complexometry necessary, additional values of physical constants D. Heterogeneous Equilibria Gravimetric are printed with the text of the question. Test analysis, solubility, precipitation questions are constructed to simplify mathematical titrations, chemical separations manipulations. As a result, neither calculators nor E. Instrumental Methods Electrochemical tables of logarithms are needed. If the solution to a methods, spectroscopic methods, problem requires the use of logarithms, the necessary chromatographic methods, thermal values are included with the question. methods, calibration of instruments This publication provides a comprehensive overview of the GRE Chemistry Test to help you get F. Environmental Applications ready for test day. It is designed to help you: G.

4 Radiochemical Methods Detectors, Applications Understand what is being tested Gain familiarity with the question types II. Inorganic Chemistry (25%). Review test-taking strategies A. General Chemistry Periodic trends, Understand scoring oxidation states, nuclear chemistry Practice taking the test B. Ionic Substances Lattice geometries, To learn more about the GRE Subject Tests, visit lattice energies, ionic radii and radius/. ratio effects C. Covalent Molecular Substances Lewis Test Content diagrams, molecular point groups, VSEPR. concept, valence bond description The content of the Chemistry Test emphasizes the and hybridization, molecular orbital four fields into which chemistry has been traditionally description, bond energies, covalent divided and some interrelationships, individual and van der Waals radii of the elements, questions may test more than one field of chemistry. intermolecular forces Some test takers may associate a particular question D.

5 Metals and Semiconductors Structure, with one field, whereas other test takers may have band theory, physical and chemical encountered the same material in a different field. consequences of band theory For example, the knowledge necessary to answer some questions classified as testing organic chemistry E. Concepts of Acids and Bases Br nsted- may well have been acquired in analytical chemistry Lowry approaches, Lewis theory, solvent courses by some test takers. Consequently, the system approaches emphases of the four fields indicated in the following F. Chemistry of the Main Group Elements . outline of material covered by the test should not be Electronic structures, occurrences and considered definitive. recovery, physical and chemical properties of the elements and their compounds GRE Chemistry Test Practice Book 3 Page G. Chemistry of the Transition Elements IV. Physical Chemistry (30%). Electronic structures, occurrences and recovery, physical and chemical properties A.

6 Thermodynamics First, second, and of the elements and their compounds, third laws, thermochemistry, ideal and real coordination chemistry gases and solutions, Gibbs and Helmholtz energy, chemical potential, chemical H. Special Topics Organometallic equilibria, phase equilibria, colligative chemistry, catalysis, bioinorganic properties, statistical thermodynamics chemistry, applied solid-state chemistry, environmental chemistry B. Quantum Chemistry and Applications to Spectroscopy Classical experiments, III. Organic Chemistry (30%) principles of quantum mechanics, atomic and molecular structure, molecular A. Structure, Bonding, and Nomenclature spectroscopy Lewis structures, orbital hybridization, configuration and stereochemical C. Dynamics Experimental and theoretical notation, conformational analysis, chemical kinetics, solution and liquid systematic IUPAC nomenclature, dynamics, photochemistry spectroscopy (IR and 1H and 13C NMR).

7 B. Functional Groups Preparation, Preparing for the Test reactions, and interconversions of alkanes, GRE Subject Test questions are designed to measure alkenes, alkynes, dienes, alkyl halides, skills and knowledge gained over a long period of alcohols, ethers, epoxides, sulfides, thiols, time. Although you might increase your scores to aromatic compounds, aldehydes, ketones, some extent through preparation a few weeks or carboxylic acids and their derivatives, months before you take the test, last minute cramming amines is unlikely to be of further help. The following C. Reaction Mechanisms Nucleophilic information may be helpful. displacements and addition, nucleophilic A general review of your college courses is aromatic substitution, electrophilic probably the best preparation for the test. additions, electrophilic aromatic However, the test covers a broad range of substitutions, eliminations, Diels-Alder subject matter, and no one is expected to be and other cycloadditions familiar with the content of every question.

8 D. Reactive Intermediates Chemistry and nature of carbocations, carbanions, free Become familiar with the types of questions radicals, carbenes, benzynes, enols in the GRE Chemistry Test, paying special attention to the directions. If you thoroughly E. Organometallics Preparation and understand the directions before you take the reactions of Grignard and organolithium test, you will have more time during the test to reagents, lithium organocuprates, and focus on the questions themselves. other modern main group and transition metal reagents and catalysts F. Special Topics Resonance, molecular Test-Taking Strategies orbital theory, catalysis, acid-base The questions in the practice test illustrate the types theory, carbon acidity, aromaticity, of multiple-choice questions in the test. When you antiaromaticity, macromolecules, lipids, take the actual test, you will mark your answers on a amino acids, peptides, carbohydrates, separate machine-scorable answer sheet.

9 Nucleic acids, terpenes, asymmetric synthesis, orbital symmetry, polymers 4 Page GRE Chemistry Test Practice Book The following are some general test-taking GRE Chemistry Test scores are reported on a 200. strategies you may want to consider. to 990 score scale in ten-point increments. Test scores should be compared only with other Read the test directions carefully, and work as scores on the Chemistry Test. For example, a 750 on rapidly as you can without being careless. For the Chemistry Test is not equivalent to a 750 on the each question, choose the best answer from Biology Test. the available options. All questions are of equal value; do not waste Taking the Practice Test time pondering individual questions you nd The practice test begins on page 7. The total time extremely difficult or unfamiliar. that you should allow for this practice test is 2 hours You may want to work through the test and 50 minutes. An answer sheet is provided for you quickly, rst answering only the questions to mark your answers to the test questions.

10 About which you feel con dent, then going It is best to take this practice test under timed back and answering questions that require conditions. Find a quiet place to take the test and more thought, and concluding with the most make sure you have a minimum of 2 hours and 50. dif cult questions if there is time. minutes available. If you decide to change an answer, make sure To simulate how the administration will be you completely erase it and ll in the oval conducted at the test center, print the answer sheet corresponding to your desired answer. (pages 53 and 54). Then go to the back cover of the test book (page 50) and follow the instructions for Your score will be determined by the number completing the identification areas of the answer of questions you answer correctly. Questions sheet. When you are ready to begin the test, note the you answer incorrectly or for which you time and begin marking your answers on the answer mark no answer or more than one answer are sheet.


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