Hardest ap chem questions - SHORT ANSWER. Write the word or phrase that best completes each statement or answers the question. 17) ID: chem9b 6.1-90 MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 18) D ID: chem9b 6.1-95 19) E ID: chem9b 6.1-103 20) A ID: chem9b 6.1-105 21) A

 
Note: This document is not a complete practice exam. Rather, it is a compilation of questions from the 2013 AP Chemistry International Exam that support the learning objectives of the redesigned AP course. Questions that do not support this course have been removed. This publication may be used to help students prepare for the 2014 AP Chemistry exam and future exams. Following the last page of .... Seating chart dorothy chandler pavilion

Antiphospholipid syndrome (APS) is an autoimmune disorder that involves frequent blood clots (thromboses). When you have this condition, your body's immune system makes abnormal pr...AP chemistry may be the best class ever invented. I cannot express how much I love AP chem and unironically as a stupid sophomore who just took this class with no prior chemistry knowledge, the AP test is incredibly easy as long as you start reviewing early and the knowledge you learn about the world is so valuable. 6.The Three Hardest AP Classes. 1. AP Physics 1. Despite a reputation as one of the most difficult AP classes, Physics 1 is also one of the most popular—144,526 students took it in 2022. Physics 1 has the lowest pass rate of any AP exam (43.3%) along with one of the lowest percentages of students scoring a 5 (just 7.9%).From Moab mountain biking to California trails with insanely long climbs, these are the hardest mountain bike trails in the US for experts only. From the red rock deserts of the So...AP Chemistry Chapter 5 Practice Problems Multiple Choice Identify the letter of the choice that best completes the statement or answers the question. Since these are "legacy" AP Chem questions, you may use your calculator for these MC! ____ 1. Consider the following information. Reaction Enthalpy of reaction 3C(s) + 4 H 2(g) ® C 3H 8(g) x ...AP Chemistry Course and Exam Topics. This is an outline of the chemistry topics covered by the AP ( Advanced Placement) Chemistry course and exam, as described by the College Board. The percentage given after the topic is the approximate percentage of multiple-choice questions on the AP Chemistry Exam about that topic.Cram for AP Chemistry Unit 3 - Topic 3.5 with study guides and practice quizzes to review Pressure, Temperature, Volume, and more. ... The following question is from the 2019 AP Examination, number 4 on the FRQ section. A student is doing experiments with CO2(g). Originally, a sample of gas is in a rigid container at 299K and 0.70 atm.3. Chemistry: Here are the top 3 hardest AP classes starting with AP Chemistry. It's 3 hours & 15 minutes exam with 60 MCQs, 4 questions where you need to write short answers, and 3 essay questions. In this class, you will learn chemistry's fundamental concepts. It includes the intermolecular force and reaction, the state and structure of matter.Click through our free AP Chemistry study guides and AP Chemistry flashcards below: AP Chemistry Multiple Choice Practice Problems. AP Chemistry AP Free Response Practice Problems. Ultimate AP Chemistry Study Guide. The only resource you need to get a 5 on the AP Chemistry exam.AP Chemistry exam format. Source: College Board AP Chemistry practice test online. AP Chemistry exam is considered to be one of the hardest AP exams. AP Chemistry had a passing rate of 54% in 2021.When compared to other AP exams, the AP Chemistry exam has a lower pass rate as the average pass rate of other AP exams in 2022 was 66%.. So, this shows that students who opt for AP Chemistry need to ...The AP chemistry exam is a two-part exam designed to take about three hours. The first section has 60 multiple-choice questions. You will have 90 minutes to complete this section. The second part of the exam is the free-response section. You will begin this section after you have completed and turned in your multiple-choice scan sheet.The Ultimate Study Guide to AP® Chemistry. Preparing for AP® Chemistry can be incredibly stressful. From remembering how to balance reactions to keeping entropy and enthalpy straight, AP® Chemistry is one of the densest AP® subjects the College Board offers. Albert.io provides hundreds of AP® Chemistry practice questions to help you ...Organic Chemistry Practice Problems. The problem sets provided here are similar to those found on various kinds of standardized exams, such as GRE, ACS & MCAT. The questions are roughly organized by subject, and most sets have over 50 multiple choice problems. To use a problem set, click on its descriptive title.If the chemical equation is wrong, however, it can make it very difficult to answer the rest of the questions correctly. In short, the topics covered early on in AP Chemistry …Really understanding the concepts for this unit rather than just memorizing definitions is crucial because then you will be able to apply what you know to a system you haven't seen before. After learning the concepts, I suggest doing practice problems that mimic the AP exam to help test your understanding. I hope this helps! 6.This set of Tough Organic Chemistry Questions and Answers focuses on “Reagents in Organic Chemistry”. 1. Which is the suitable catalyst for bringing out the transformation given below? a) BF 3. Et 2 0. b) NaOEt. c) tungsten lamp. d) dibenzoyl peroxide. View Answer.These questions cover all aspects of resonance in organic chemistry, from identifying resonance forms, understanding partial charges, ranking the relative importance of resonance forms, ... Master Organic Chemistry LLC, 1831 12th Avenue South, #171, Nashville TN, USA 37203If you're fetching the AP Chemistry Exam, you'll do to know what hardly questions you should what. ... If you're removal the AP Chemistry Exam, you'll want to know what difficult questions you should expect. Here are our tips for erholen a top score on your exam. Schools. expand_more. Explore schools Rankings Best colleges for Pre-med ...Cram for AP Chemistry Unit 4 - Topic 4.5 with study guides and practice quizzes to review Mole Concept, Limiting Reactants, Percent Yield, and more. ... Question 2. If you have 105.2 g of ethanol (C₂H₅OH), what is the maximum volume of carbon dioxide that can form at STP?3. Chemistry: Here are the top 3 hardest AP classes starting with AP Chemistry. It's 3 hours & 15 minutes exam with 60 MCQs, 4 questions where you need to write short answers, and 3 essay questions. In this class, you will learn chemistry's fundamental concepts. It includes the intermolecular force and reaction, the state and structure of matter.Practice questions, MCQs, Past Year Questions (PYQs), NCERT Questions, Question Bank, Class 11 and Class 12 Questions, NCERT Exemplar Questions and PDF Questions with answers, solutions, explanations, NCERT reference and difficulty levelHey! I'd be happy to help give you a general idea of the difficulty of AP Chemistry units, but remember that difficulty can vary for different people depending on individual strengths and weaknesses. Here's a rough ranking of the units, with 1 being the most challenging and 9 being the least challenging for most students: 1. Thermodynamics (Unit 6) - This is considered the hardest unit for ... AP Chemistry explores the foundational principles of chemistry, encompassing the understanding of matter's structure, its various states, intermolecular forces, and the processes of chemical reactions. Click through our free AP Chemistry study guides and AP Chemistry flashcards below: The only resource you need to get a 5 on the AP Chemistry exam. 10th Class Chemistry 10th Lesson Chemical Bonding 2 Marks Important Questions and Answers. Question 1. Represent each of the following molecules using Lewis notation. (TS March 2015) (i) Calcium and Chlorine to form Calcium chloride. (ii) Formation of Oxygen molecule from Oxygen atoms.Correct answer: r = k [A] [B]2. Explanation: When the concentration of A stays the same but the concentration of B doubles, the rate quadruples, showing a second order rate law based on B. When the concentration of A doubles and B stays the same, the rate also doubles, showing a first order rate law based on A.2019 AP ® CHEMISTRY FREE-RESPONSE QUESTIONS . GO ON TO THE NEXT PAGE. -5-CHEMISTRY . Section II . Time—1 hour and 45 minutes . 7 Questions . YOU MAY USE YOUR CALCULATOR FOR THIS SECTION. Directions: Questions 1–3 are long free-response questions that require about 23 minutes each to answer and are worth 10 points each.6. AP Chemistry. This course covers the fundamental concepts of chemistry in the areas of states of matter, intermolecular forces, and reactions. This course is heavily focused on doing labs and the process of doing labs such as writing a pre lab and a lab report. Fast Facts About AP Chemistry Exam: Section 1: Multiple Choice. 60 Questions; 90 ...The passing rate for the AP Biology exam in 2021 was 59.2%. This is a fairly middle-of-the-road passing rate, as compared to other AP exams; therefore, we can assume that the AP Biology exam has a medium level of difficulty. Additionally, AP Bio's 5 rate was 15%. This is also middle-of-the-road, as far as 5 scores go. chem - hardest class by a landslide. the other 2 classes were easy as hell, chem was the only one I felt like I actually had to try in. disclaimer though, I had an incredible teacher who did square root curve on exams (aka insanely generous curve, take the square root of your score and x10. a 64, for example, becomes an 80) which help keeps ... Assessment Overview. The AP Chemistry Exam assesses student understanding of the science practices and learning objectives outlined in the course framework. The exam is 3 hours and 15 minutes long and includes 60 multiple-choice questions and 7 free-response questions. Starting with the 2022-23 school year (spring 2023 exam), a scientific or ...The content in most APs are relatively easy to grasp. It's the teachers that make it hard. Meh. It depends on the teacher. Personally, I found world 9 honors harder than AP World and the same as APUSH, Pre calc honors harder than BC, Chem honors harder than AP Bio and AP Physics, and English 9 honors harder than AP Lang.The Best Book for Practice Questions: AP Chemistry Practice Questions (Sterling Test Prep) Price: $35 print Pros. 900 practice questions; Great coverage of all the topics and types of questions you'll see on the exam; Useful test-taking tips at the beginning; Online resources frequently and consistently updated (every 4-6 weeks) with user ...Overview of the AP Macroeconomics Exam; 10 Hardest AP Macroeconomics Questions; Final Tips The AP Macroeconomics Exam is fairly tricky compared to other AP exams, with 63.3% of students receiving a score of 3 or higher in 2020 but only 19.7% of students receiving a 5. The exam requires students to complete …AP chemistry is really not as hard as many people make it. Yes, you need to work hard but that is the case for almost every AP. If you do work hard and get help when you need it I can say that you have a very big chance of getting a 5. Tbh tho I had the best teacher in the world so I may be biased.Level up on all the skills in this unit and collect up to 500 Mastery points! This unit focuses on rates of change in chemical reactions and the factors that influence them. Learn about rate laws, reaction mechanisms, collision theory, catalysis, and more. Practice what you've learned and study for the AP Chemistry exam with 60 AP-aligned ...According to the College Board: 11.5% got a 5 in 2019 🥳. 55.6% passed the exam and got a 3+ in 2019 🎉. There is no way to really judge how hard the course is, but many deem it to be harder than AP Biology. It all truly depends on the teacher you have, your workload, and how much time you want to commit to this course alone.golfer78 February 20, 2013, 9:50pm 2. <p>I am currently taking AP Chemistry and the hardest part would be the workload and remembering to use significant figures.</p>. Darthpwner February 22, 2013, 12:50am 3. <p>Acids and Bases and Electrochemistry</p>. manrushi February 24, 2013, 7:12pm 4.First, let's talk about the basic concepts of stoichiometry. First of all, we have to start with a balanced reaction. Let's say that we have this equation, which is the combustion of methane. CH_4 + O_2 \rightarrow CO_2 + H_2O C H 4 +O2 → C O2 +H 2O. Now, this equation is not yet balanced.The last equation on that chart above is the ideal gas law: PV=nRT. The following information can be found on the AP Chemistry reference table, but it's quick and easy to memorize! P = pressure in atm. V = volume in L. n = moles of gas. R = universal gas constant (0.08206 Latm/molK) T = temperature in Kelvin. ⭐️.SOLUBILITY REVIEW QUESTIONS Solubility Problem Set 2 1. In a saturated solution of FeS, the [Fe2+] and the [S2-] are both 6.08 x 10-10 M. Calculate the value of K sp. 2. Find [Ca2+] and [SO 4 2-] in a saturated solution of CaSO 4. 3. Find [Ca2+] and [F-] in a saturated solution of CaF 2. K sp for CaF 2 is 4.9 x 10-11. 4. Find the solubility of Ag 2PRACTICE PROBLEMS ON NET IONIC EQUATIONS page 1 of 3 Show the complete ionic and net ionic forms of the following equations. If all species are spectator ions, please indicate that no reaction takes place. Note: you need to make sure the original equation is balanced before proceeding!6. AP Chemistry. This course covers the fundamental concepts of chemistry in the areas of states of matter, intermolecular forces, and reactions. This course is heavily focused on doing labs and the process of doing labs such as writing a pre lab and a lab report. Fast Facts About AP Chemistry Exam: Section 1: Multiple Choice. 60 …AP Chemistry Course and Exam Topics. This is an outline of the chemistry topics covered by the AP ( Advanced Placement) Chemistry course and exam, as described by the College Board. The percentage given after the topic is the approximate percentage of multiple-choice questions on the AP Chemistry Exam about that topic.e. CO. 2 ____ 24. London forces exist . a. for all molecules. b. only for molecules with nonpolar bonds. c. only for molecules with polar bonds.The first unit (kinematics) in AP Physics 1 might be difficult for many students because it introduces new concepts. It's typical to find the first tests challenging, but as you develop and lay a solid basis, later units may become more manageable. Don't get discouraged; it's all part of the process. 1. Reply.Here is a quick overview: Section 1: Multiple Choice Questions (MCQ) You have 90 minutes to answer 60 MCQs. This will count as 50% of your total exam score. A calculator is permitted in this section, starting with the 2023 exam. Section 2: Free Response Questions (FRQ) You have an hour and 45 minutes to answer 7 FRQs.Questions 1-3 are long free-response questions that require about 23 minutes each to answer and are worth 10 points each. Questions 4-7 are short free-response questions that require about 9 minutes each to answer and are worth 4 points each. For each question, show your work for each part in the space provided after that part.AP Chemistry score distributions, 2019 vs. 2021. The following table enables comparisons of student performance in 2021 to student performance on the comparable full-length exam prior to the covid-19 pandemic. Of these 134,316 students, 2 achieved a perfect score from all professors/readers on all free-response questions and correctly answered ...The AP Chemistry exam is a difficult 3 hour and 15 minute test that requires a mastery of chemistry concepts as well as a strong baseline understanding of Algebra. It covers the scientific principles outlined in the AP Chemistry course units, and expects students to be able to solve problems related to topics such as atomic/molecular …Rate the AP Chem units from easiest to hardest. ello'! I know difficulty is subjective to different people but I want to see what units you guys you think are hardest so I can prepare accordingly beforehand :) Hardest- acid and bases. Ranked hardest to easiest: 8 (this one is in a league of its own) (hardest to easiest) 8, 6, 4, 9, 2, 3, 1, 7 ...2019 AP ® CHEMISTRY FREE-RESPONSE QUESTIONS . GO ON TO THE NEXT PAGE. -5-CHEMISTRY . Section II . Time—1 hour and 45 minutes . 7 Questions . YOU MAY USE YOUR CALCULATOR FOR THIS SECTION. Directions: Questions 1-3 are long free-response questions that require about 23 minutes each to answer and are worth 10 points each. This article will provide you with links to every practice test and quiz for AP Chemistry that's available online, including full official and unofficial tests, shorter quizzes that cover each topic area, and other prep services you can access with a subscription! Exercise 3. Exercise 4. Exercise 5. Exercise 6. Exercise 7. Exercise 8. Exercise 9. Exercise 10. Find step-by-step solutions and answers to Chemistry, AP Edition - 9781305957732, as well as thousands of textbooks so you can move forward with confidence.6. AP Chemistry. This course covers the fundamental concepts of chemistry in the areas of states of matter, intermolecular forces, and reactions. This course is heavily focused on doing labs and the process of doing labs such as writing a pre lab and a lab report. Fast Facts About AP Chemistry Exam: Section 1: Multiple Choice. 60 …2024 AP Chemistry exam study guides, practice quizzes, live reviews, community support | Fiveable500 AP-style questions and answers referenced to core AP materials; NEW! 20 Question Diagnostic Quiz to test your knowledge; Questions parallel the topic, format, and degree of difficulty of those in the AP exam, followed by answers with comprehensive, easy-to-understand explanations; Detailed review explanations for right and wrong answersWhen you set up your wireless connection, the router or device that enables the connection is called an access point. The AP name is the name by which other devices list your wirel...your dream score on test day! Study on your own schedule at an affordable price. Thousands of practice questions that mimic the real test. Answer explanations that help you learn and retain information. Full-length practice tests, score predictors, and ongoing progress monitoring. Plus, it’s all online and at your fingertips on any device.chem - hardest class by a landslide. the other 2 classes were easy as hell, chem was the only one I felt like I actually had to try in. disclaimer though, I had an incredible teacher who did square root curve on exams (aka insanely generous curve, take the square root of your score and x10. a 64, for example, becomes an 80) which help keeps test grades up if that's something anyone was ...If you're taking the AP Chemistry Exam, you'll wish to know what difficult questions you should expect. ... If you're fetching the ELEVEN-PLUS Chemistry Exam, you'll want to know how difficult questions you should expect. Here are our tips for getting a top grade on your exam. Trains. expand_more. Explore schools Rankings Best …Correct answer: r = k [A] [B]2. Explanation: When the concentration of A stays the same but the concentration of B doubles, the rate quadruples, showing a second order rate law based on B. When the concentration of A doubles and B stays the same, the rate also doubles, showing a first order rate law based on A.so I came up with a list of units ranked easiest to hardest. let me know what you guys think and what units you thought were the easiest and hardest too. U7 Kinetics. already covered most of it in honors chem, so all that was new was just integrated rate law and the slow step stuff. U2 Molecular and ionic compound structure.A. At atmospheric pressure, helium can exist in all three phases, as well as a supercritical fluid phase near absolute zero. (Choice B) Solid and gaseous helium never exist in equilibrium with each other at any temperature or …AP Chem has a reputation for being on the more difficult side, along with the other science classes. Looking at the grade distribution will tell you that this exam is "statistically difficult" with about 6 percent getting 5s each year, making it about the 4/5th hardest exam. From personal experience, the class isn't too hard if you have taken a ...Is AP Chem Easy or Hard To Self-Study. AP Chemistry is rated as very hard to self-study relative to other AP classes. A survey of AP alumnae asked for a rating out of 10 for how easy each class is to self study, with 1 = easiest to self study, 10 = hardest to self study. The average rating for AP Chemistry was 8.4/10 (vs the average across all ...Overview. Question 2 presented students with a series of chemical reactions involving aluminum, chlorine, and the compound AlCl3. Part (a) of this question required students to apply the concepts of stoichiometry (Learning Objective SPQ-4.A, Skill 5.F from the AP Chemistry Course and Exam Description) to calculate the mass in grams of Cl(g ...The harder physical chemistry topics are on kinetics, Arrhenius in particular. Organic mechanisms account for the highest proportion (roughly 20%) of difficult paper 2 questions. Questions on practical chemistry (especially organic laboratory techniques) are the next highest proportion. Organic analysis (especially NMR) and organic synthesis ...AP Chemistry Unit 5: Kinetics. Kinetics is the study of the rate of chemical reactions, essentially how fast a chemical reaction goes. While we can study whether a reaction will actually happen or not using many tools, such as solubility rules and activity series, one cannot use these same tools to study the specific rate at which a reaction ...Go to the NMSI AP Chemistry website! You will find lots of old frqs by topic. 1. Reply. Share. OWNHAY. • 7 yr. ago. 5 steps to a 5 has a "500 questions to know by test day" book, sorted by topic. I used it and it worked well for me.Multiple Choice. Question 1. The correct answer to this question is 4, Sublimation. Sublimation is a mature type of defense mechanism where socially unacceptable impulses are transformed into socially accepted actions (though we don't recommend yelling at your mother).Sign in to access your AP or Pre-AP resources and tools including AP Classroom.311 kJ. 69 kJ. -1991 kJ. -69 kJ. The DHfe of I2 (g) is needed for the calculation. Answer Key Testname: CH_06_PRAC_TEST.TST. MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. A.AP classes ranked by difficulty (pass rate)! In this video, I rank AP classes by their 2020 pass rates! Be sure to subscribe for more SAT prep, college essay...Equilibrium questions. A covalent bond has a standard Gibbs free energy of 400 kJ/mol, while the hydrogen bond and van der Waals forces have substantially lower values, respectively 25 and 5 kJ/mol. Given such ∆G° values, which of the following is equivalent to the ratio of the K e q value of a covalent bond to that of a hydrogen bond?Use the following AP® Chemistry tips in answering the multiple-choice questions: 1. Manage your time. The best way to do this is to mark and skip difficult questions as you move through the test. Answer easy questions for guaranteed points, then return to your marked questions at the end. 2.Oxidation and Reduction Questions and Answers - Practice questions, MCQs, PYQs, NCERT Questions, Question Bank, Class 11 and Class 12 Questions, NCERT Exemplar Questions, and PDF Questions with answers, solutions, explanations, NCERT reference, and difficulty level in Oxidation and Reduction chemistry.We would like to show you a description here but the site won't allow us.10 Feb 2021 ... Hardest AP Exams by Pass Rate! #shorts ... AP Chemistry Unit 7 Practice Problems 2020. A ... Everything You Need to Know About the AP Chemistry Exam ...Note: This document is not a complete practice exam. Rather, it is a compilation of questions from the 2013 AP Chemistry International Exam that support the learning objectives of the redesigned AP course. Questions that do not support this course have been removed. This publication may be used to help students prepare for the 2014 AP Chemistry exam and future exams. Following the last page of ...

2. Multiple Choice. Which of the following will have a lower ionization energy than Scandium (Sc)? 3. Multiple Choice. As you move down the periodic table atoms get bigger. This is because ____________. The atoms have more mass. The atoms have more protons.. Edwards cash saver main st little rock ar

hardest ap chem questions

7 Mar 2019 ... This video describes the most important topics for acids and bases in AP chemistry. A calculator is needed.Exercises ( Applications of Redox Reactions - Voltaic Cells) Draw the voltaic cell represented by this reaction and label the cathode, the anode, the salt bridge, the oxidation half cell, the reduction half cell, the positive electrode, and the negative electrode. Use Fig. 14.4.1 as a guide. Zn + 2Ag + → Zn 2 + + 2Ag.It can be used to predict the behavior of real gases in situations other than low temperatures or high pressures. This collection of ten chemistry test questions deals with the concepts introduced with the ideal gas laws. Useful information: At STP: pressure = 1 atm = 700 mm Hg, temperature = 0 °C = 273 K. At STP: 1 mole of gas occupies 22.4 L.2024 AP Chemistry exam study guides, practice quizzes, live reviews, community support | FiveableLogistics of the MCQ Section: The MC section of the AP exam is comprised of 60 questions that could include calculations and several concepts. You have an hour and a half to complete this portion and it is worth 50% of the exam. This means you have about 1.5-2 min per question if you’re aiming to finish all the questions.Questions by Topic. Balanced Equations and Calculations 1. Balanced Equations and Calculations 2. Balanced Equations and Calculations 3. Empirical and Molecular Formula. RAM and RMM. The Ideal Gas Equation 1. The Ideal Gas Equation 2. The Mole and Avogadro's Constant.These questions cover all aspects of resonance in organic chemistry, from identifying resonance forms, understanding partial charges, ranking the relative importance of resonance forms, ... Master Organic Chemistry LLC, 1831 12th Avenue South, #171, Nashville TN, USA 372038.8%. You can earn a passing score on the AP Biology exam by scoring a 3 or higher on test day. Roughly 65% of students who took the test last year passed. The average score on the AP Bio exam for 2019 was a 2.92. For more information on AP exam score distributions, check out our post on the easiest and hardest AP Exams.The examiner-written revision resources that improve your. grades 2x. Save My Exams is the stress-free path to helping students study effectively and get higher grades than they ever thought possible. 20,000 + revision notes • Past papers and mark schemes • 100,000 + practice questions and model answers • And lots more.Multiple Choice Questions. Correct Answer: C. The reason that there are fewer Department of Education bureaucrats employed by the federal government is because their issues are localized by state, whereas the Department of Homeland security primarily addresses national issues. Correct Answer: B.Every AP Chemistry student knows that while some questions can be straightforward, others can really test your mettle. Let's shine a light on some of these tougher areas and offer strategies to conquer them: Complex Equilibrium Problems: Questions that involve multiple equilibria simultaneously can be tricky. Tackle th.5) IGCSE Chemistry. Chemistry is the second hardest science subject - making it harder than IGCSE Biology. Naturally, students who pick IGCSE Chemistry in this way will have to put in a lot of extra hours compared to other non-science related subjects they could be taking.Level up on all the skills in this unit and collect up to 500 Mastery points! This unit examines the role of energy in physical and chemical processes. Learn about heat transfer, calorimetry, enthalpy of reaction, Hess's law, and more. Practice what you've learned and study for the AP Chemistry exam with more than 55 AP-aligned questions.Standard-Penalty-876. •. Not hard but there is a lot of memorization involved and some teachers (like the one I had last year) will make you memorize as many small details as possible. As for the exam, it wasn't too bad, but it seemed to test your ability to interpret situations more than the sole course concepts.Correct answer: Explanation: The trend for electron affinity increases upwards through a group, and rightwards along a period. The noble gasses already have full octets, so the increasing trend stops at the halogens and the noble gasses have extremely low values. The element with the highest electron affinity is fluorine.2019 AP ® CHEMISTRY FREE-RESPONSE QUESTIONS . GO ON TO THE NEXT PAGE. -5-CHEMISTRY . Section II . Time—1 hour and 45 minutes . 7 Questions . YOU MAY USE YOUR CALCULATOR FOR THIS SECTION. Directions: Questions 1–3 are long free-response questions that require about 23 minutes each to answer and are worth 10 points each.CHEMISTRY. YOU MAY USE YOUR CALCULATOR FOR THIS SECTION. Directions: Questions 1-3 are long free-response questions that require about 23 minutes each to answer and are worth 10 points each. Questions 4-7 are short free-response questions that require about 9 minutes each to answer and are worth 4 points each..

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