Admissions & Academic Testing • Exam
CLEP Chemistry
Clear a full year of general chemistry in one sitting for up to six credits.
Researched and maintained by TestPrepPilot Editorial BoardCollege admissions & credit-by-exam desk · Figures last verified August 2026
The short version
What is the CLEP Chemistry and is it worth it?
CLEP Chemistry is an ~75-question, 90-minute exam covering a year of general chemistry. ACE recommends a score of 50 for about six semester hours at accepting schools.
- Commonly awards six semester hours
- Built-in periodic table and scientific calculator
- Year-round at test centers and online with remote proctoring
- Fits science and pre-health general-education plans
What is it?
What exactly is the CLEP Chemistry?
Clear a full year of general chemistry in one sitting for up to six credits.
The CLEP Chemistry exam covers a one-year college general chemistry course: structure and states of matter, reactions, stoichiometry, equilibrium, kinetics, thermodynamics, and descriptive and experimental chemistry. An online scientific calculator and periodic table are built into the exam. It suits students who already have strong chemistry fundamentals and want to skip the sequence.
The path in brief
- Confirm your school’s chemistry credit policy
- Register and pay the $97 fee
- Book a test center or remote-proctoring slot
- Review stoichiometry, equilibrium, and thermodynamics
- Score 50+ for six credits
Before you book
Who is eligible to sit the CLEP Chemistry?
The test itself
What is the format of the CLEP Chemistry?
The CLEP Chemistry is administered by CLEP test center or CLEP with Remote Proctoring and runs 90 minutes and requires 50 (ACE credit-granting score) to pass.
| Administered by | CLEP test center or CLEP with Remote Proctoring |
|---|---|
| Questions | ~75 multiple choice |
| Time limit | 90 minutes |
| Pass mark | 50 (ACE credit-granting score) |
| Exam fee | $97 (2025–26) + test-center fee |
| Format | Multiple choice (calculator + periodic table in software) |
Content outline
What topics are on the CLEP Chemistry?
The CLEP Chemistry is weighted across 7 domains; the largest are Structure of Matter (20%), States of Matter (19%), Descriptive and Experimental Chemistry (14% / 9%).
Weightings come from the official exam outline. Study time is best allocated in roughly these proportions rather than evenly across domains.
- Structure of Matter 20%
Atomic theory, bonding
- States of Matter 19%
Gases, liquids, solids, solutions
- Reaction Types 12%
Acid-base, redox, precipitation
- Equations and Stoichiometry 10%
Balancing, mole concepts
- Equilibrium 7%
Constants, buffers
- Kinetics / Thermodynamics 4% / 5%
Rates, free energy
- Descriptive and Experimental Chemistry 14% / 9%
Reactivity, lab methods
Study materials
Which study guide should you use for the CLEP Chemistry?
Start with the exam sponsor's official content outline. If you also want one structured resource to work through, these are the Mometrix titles that match this exam.
This links to Mometrix's CLEP range rather than a single CLEP Chemistry title. Check that it lists an edition for CLEP Chemistry before you buy.
Affiliate links We may earn a commission if you buy through these links, at no extra cost to you. Mometrix has no say in what our exam guides cover. How we make money.
The path
How do you register for the CLEP Chemistry?
- 1
Create a College Board account10 minutes
Register at collegeboard.org with your legal name exactly as it appears on the photo ID you will bring on test day. One account covers the SAT, the PSAT-related assessments, AP and BigFuture.
- 2
Choose a weekend SAT date or let your school register you20 minutes
The SAT is booked directly by the student for weekend national administrations. PSAT 8/9, PSAT 10 and the PSAT/NMSQT are ordered and scheduled by the school, so for those you speak to your counselor rather than registering yourself.
- 3
Pay the fee or claim a fee waiver5 minutes
The US SAT registration fee is 68 dollars; international test takers add a regional fee of 43 dollars and, at some centres, a further test centre fee. Eligible US students get the SAT free through a counsellor-issued fee waiver, which also unlocks unlimited free score sends.
- 4
Install Bluebook and complete exam setup30 minutes
Download the free Bluebook app to your own laptop or tablet, or use a school-managed device, then run exam setup in the five days before test day to download the test and get your admission ticket.
Students who skip exam setup can be turned away or delayed at check-in.
- 5
Practise with Bluebook full-length tests and Khan Academy4 to 12 weeks
Six free adaptive full-length practice tests sit inside Bluebook, and Official Digital SAT Prep on Khan Academy is free and keyed to the same content domains.
- 6
Test, then review scores onlinetest day
Arrive with your admission ticket, acceptable photo ID and a charged device. Scores post to your College Board account, typically within about two weeks for weekend SAT dates.
The fine print
What are the retake and renewal rules for the CLEP Chemistry?
- Proctoring & delivery
- All SAT Suite tests are taken in Bluebook on a laptop or tablet, in a school or an authorised weekend test centre, under a live human proctor. There is no at-home option. Bluebook locks the device, and a built-in Desmos graphing calculator and formula sheet are available throughout the Math section; you may also bring your own approved non-CAS calculator.
- Retake policy
- There is no limit on SAT attempts and no mandatory waiting period beyond the eight national dates offered each year. The PSAT-related assessments are given once per school year per grade band and are not retaken on demand. Most selective colleges superscore across SAT sittings, taking your best Reading and Writing score and your best Math score.
- Score reporting
- The SAT reports a 400 to 1600 total built from two 200 to 800 section scores. The PSAT/NMSQT and PSAT 10 report 320 to 1520 with 160 to 760 sections, and the PSAT 8/9 reports 240 to 1440 with 120 to 720 sections, so results across the suite sit on one comparable scale. PSAT/NMSQT reports also carry an NMSC Selection Index of 48 to 228.
- Recertification
- SAT Suite scores do not expire and never need renewal, but colleges commonly ask for a score from within the last five years and most students test in the spring of eleventh grade and again in the autumn of twelfth grade. Only a PSAT/NMSQT taken in eleventh grade enters the National Merit competition.
- Refunds & rescheduling
- Cancelling an SAT registration by the change deadline costs 34 dollars; cancelling after the deadline but before test day costs 44 dollars. Changing test centre costs 34 dollars, and late registration costs 38 dollars. Fee-waiver students are not charged for cancellation or late registration.
Context
The digital SAT Suite compared
| Assessment | Grades | Score scale | Length | |
|---|---|---|---|---|
| PSAT 8/9 | 8 and 9 | 240 to 1440 | 2h 14m | |
| PSAT 10 | 10 (spring) | 320 to 1520 | 2h 14m | |
| PSAT/NMSQT | 10 and 11 (autumn) | 320 to 1520 | 2h 14m | |
| SAT | 11 and 12 | 400 to 1600 | 2h 14m |
What it pays
How much does this credential pay?
No direct occupation — a CLEP Chemistry score of 50 earns the ACE-recommended 6 semester hours (General Chemistry I and II), the largest single-exam credit award in the CLEP program, and the payoff is the education-return premium plus the STEM-track progress it buys
The direct answer is that CLEP Chemistry has no BLS occupation of its own — it is a credit-by-examination assessment whose payoff is the college credit it earns and the tuition and time it saves — so the salary story is the education-return premium that CLEP credit accelerates for STEM degrees. The relevant reference points from BLS: in 2023, workers with a bachelor’s degree earned a median weekly wage of about $1,493 versus about $1,059 for associate-degree holders and about $899 for high-school-diploma-only workers, and the earnings gap has persisted in every recent BLS year. A score of 50 or higher on the 20-to-80 CLEP scale earns the ACE-recommended credit of six semester hours for CLEP Chemistry, which the ACE National Guide splits into three hours of General Chemistry I and three hours of General Chemistry II — the largest credit award of any CLEP exam — and colleges that accept CLEP credit typically grant the six hours under their own policies, with some requiring a higher score and many noting that a lab component may still be required. The practical financial value is significant for STEM-track students: six credit hours of a year-long general chemistry sequence replaced by a $97 exam can shorten time-to-degree and save a meaningful share of tuition at in-state public rates, and for pre-med, nursing and engineering-science students, clearing the general chemistry requirement by exam keeps them on schedule for the organic and analytical courses that follow. CLEP Chemistry is one of the most demanding CLEP exams — 75 questions in 90 minutes covering a full year of general chemistry — and its honest value proposition is that it pays off for students with solid recent chemistry mastery, not for learning chemistry from scratch.
| Measure | Figure | Source / note |
|---|---|---|
| Reference: bachelor’s degree, median weekly earnings | $1,493 | BLS Education Pays, 2023 ($77,636/yr equivalent) |
| Reference: associate degree, median weekly earnings | $1,059 | BLS Education Pays, 2023 ($55,068/yr equivalent) |
| Reference: high-school diploma, median weekly earnings | $899 | BLS Education Pays, 2023 ($46,748/yr equivalent) |
| The exam itself | No direct occupation | A credit-by-examination test; ACE recommends 6 semester hours (Gen Chem I + II) for a score of 50+ |
| ACE credit-granting score | 50 (on a 20-80 scale) | ACE National Guide; individual colleges set their own policies |
Job growth.BLS does not project growth for a CLEP exam; the relevant projections follow the occupations the earned degree feeds into, and the value is the six credit hours, tuition savings and time-to-degree it buys toward a year-long chemistry requirement.
Source: BLS Education Pays
Your odds
What are the pass rates?
The College Board publishes no CLEP pass rate — it publishes the score scale (20-80) and the ACE recommendation (50 for 6 semester hours); no official pass-rate or score-distribution statistic exists, and the circulating low pass-rate figures are prep-site estimates
The core fact is that the College Board does not publish pass rates for CLEP exams, and it does not publish score distributions for them either, so there is no official statistic for CLEP Chemistry — the low pass-rate figures you sometimes see online are prep-site estimates, not College Board or ACE numbers, and should be read as an industry warning that this is one of the most difficult CLEP exams, not as verified data. What is published and verifiable is the scoring structure: CLEP scores run on a scaled range of 20 to 80, the American Council on Education recommends a credit-granting score of 50, and the ACE National Guide equates that score to six semester hours — three of General Chemistry I and three of General Chemistry II — with individual colleges setting their own credit policies. The exam itself is approximately 75 multiple-choice questions answered in 90 minutes, with a TI-30XS MultiView scientific calculator and a periodic table integrated into the exam software. The content is weighted across structure of matter (20 percent), states of matter (19 percent), descriptive chemistry (14 percent), reaction types (12 percent), equations and stoichiometry (10 percent), experimental chemistry (9 percent), equilibrium (7 percent), thermodynamics (5 percent) and kinetics (4 percent), and the questions test recall, application and interpretation rather than just computation. Because the score is scaled and no pass rate is published, the practical planning rule is to confirm your college’s credit policy first — some STEM programs require a higher score or a lab component — and to prepare until you are consistently above 50 on full timed practice exams. The absence of a published pass rate should be stated plainly: candidates should plan against the 50 target, the 75-question format and their program’s policy.
Read this before quoting the number.The College Board publishes no pass-rate statistics and no score distributions for CLEP exams. What is published and verifiable is the 20-80 score scale, the ACE credit-granting score of 50 (6 semester hours), the approximately 75-question 90-minute format, and the content weightings.
Source: College Board — CLEP Chemistry
Your schedule
How long should I study for it?
60-90 hours over 6-8 weeks, more if you need to re-learn material rather than review it of focused study
Plan for 6 to 8 weeks and 60 to 90 hours of study if your chemistry is recent but rusty, or 10 to 12 weeks if you are re-learning material, because CLEP Chemistry is a serious exam — 75 questions in 90 minutes covering a full year of general chemistry, with structure of matter (20 percent) and states of matter (19 percent) together making up 39 percent of the paper — and the honest requirement is solid mastery, not familiarity. The exam provides a built-in scientific calculator and a periodic table, and roughly 25 to 35 percent of the questions involve calculations, so the stoichiometry and gas-law fluency must be real. The effective sequence is: first, take a full timed practice exam against the 20-to-80 scale to baseline, and mark every miss by topic; second, master the structure-of-matter block first — atomic theory, quantum mechanics and electron structure, periodic trends, bonding and nuclear chemistry — because it is the largest share and the foundation for everything else; third, work the states-of-matter block — gas laws, phase changes, solutions and colligative properties; fourth, close the reaction-types and equations-and-stoichiometry blocks, because the mole-based calculations recur across the paper; fifth, cover the smaller blocks — equilibrium, thermodynamics, kinetics, descriptive and experimental chemistry — in the remaining weeks; and sixth, in the final two weeks, take two or three more full timed exams and re-study the topics that still drag. Confirm your college’s CLEP credit policy before you invest the hours, since some STEM programs require a higher score or do not accept CLEP credit for the chemistry sequence without a lab, and note the exam fee is about $97 plus a test-center fee.
- Week 18-10 hrs
Baseline and structure of matter
- Take a full timed practice exam and log every miss by topic
- Atomic theory, atomic structure and periodic relationships
- Chemical bonding: covalent, ionic, metallic and the VSEPR shapes
- Weeks 2-39-11 hrs/week
Structure and states of matter (39%)
- Finish quantum mechanics, electron configuration and nuclear chemistry
- Gas laws, the ideal gas equation, phase changes and phase diagrams
- Solutions, concentration methods and colligative properties
- Weeks 4-59-11 hrs/week
Reaction types and stoichiometry
- Acid-base, precipitation and oxidation-reduction reactions
- Mole concept, balancing equations and net-ionic equations
- Drill the stoichiometry calculations with the built-in calculator
- Week 69-11 hrs
Equilibrium, thermodynamics and kinetics
- Equilibrium constants, Le Châtelier’s principle, acid-base and solubility equilibria
- Thermodynamics: enthalpy, entropy, free energy and Hess’s law
- Kinetics: rates, order, activation energy and catalysis
- Week 78-10 hrs
Descriptive and experimental chemistry
- Descriptive chemistry: periodic relationships and main-group and transition elements
- Experimental chemistry: titration, filtration, measurement and lab practice
- Organic and environmental chemistry basics
- Week 88-10 hrs
Full timed exams and taper
- Two or three full timed practice exams under the 75-question format
- Re-lab every miss and re-study those topics
- Light final review and confirm exam logistics
Adjusting the pace
Scored 4 or 5 on AP Chemistry.Three to four weeks. Your course covers most of the blueprint; focus on the CLEP format (no free responses), the descriptive-chemistry details, and two or three full timed practice exams at the 75-question pace.
Strong on calculations, weak on theory.Structure and states of matter are 39 percent of the paper, so a calculation strength does not carry the exam. Spend the extra weeks on atomic structure, bonding and periodic trends, which are the most recall-heavy blocks to recover.
Re-learning chemistry after years away.Plan 12 weeks and 90-120 hours. Use a structured resource — OpenStax Chemistry, Khan Academy — to rebuild the material before exam-format practice, because practice exams against a weak foundation just measure the gap.
How to study
How do I prepare most effectively?
The strategy that passes CLEP Chemistry is "weight the structure and states blocks, master the calculations, and rehearse the format," because structure of matter (20 percent) and states of matter (19 percent) together make up nearly 40 percent of the exam, the stoichiometry and equilibrium calculations are the quantitative core, and the 75-question 90-minute format rewards speed and familiarity. The highest-yield habit is taking full timed practice exams from the start, because the 90-minute pace at just over a minute per question is the real constraint, and candidates who practise the format learn to sweep the questions they know and return to the calculations. A second proven approach is mastering the calculation types deliberately — mole conversions, gas laws, pH and equilibrium calculations, and the on-screen calculator handles the arithmetic while your job is setting the problems up correctly. Third, do not underestimate the recall-heavy blocks: descriptive chemistry (14 percent) and experimental chemistry (9 percent) reward memorising the periodic relationships and the lab techniques, and a few focused hours close the gap completely because the blocks are finite. Fourth, rehearse the distinctive question style where a numbered list of statements asks which combination is correct — I only, I and II, I, II and III — because partial familiarity with a concept is not enough on those items and only careful reading earns the point. Finally, plan against the reality that this is one of the hardest CLEP exams: if your practice scores are not clearing 50 with margin, the honest option may be the classroom course rather than another attempt at the exam fee.
Weight the two largest blocks
Structure of matter (20%) and states of matter (19%) together are 39 percent of the exam. Master atomic structure, bonding, gas laws and phase behaviour first and hardest.
Master the calculation types
Mole conversions, gas laws, pH and equilibrium calculations recur throughout. Set the problems up correctly and let the on-screen calculator handle the arithmetic.
Cover the recall-heavy blocks
Descriptive chemistry (14%) and experimental chemistry (9%) reward memorising periodic relationships and lab techniques; the blocks are finite and a few focused hours close the gap.
Rehearse the combination-question style
Items that ask which numbered combination is correct punish partial familiarity. Practise reading them carefully, because only full understanding earns the point.
Be honest about the pass line
This is one of the hardest CLEP exams. If two or three full practice exams are not clearing 50 with margin, consider whether the classroom course is the better investment.
What to buy
Which study resources are worth paying for?
CLEP Chemistry preparation is unusual in that the highest-value resources are free and the commercial options are mostly structured delivery of the same content: the College Board CLEP page defines the exact format, the ACE National Guide confirms the credit, and free resources like OpenStax Chemistry, Khan Academy and the College Board’s own sample questions cover the content to a solid standard. The comparison below separates official and free resources, with prices current to this review. The rule that works: build the content with free resources, rehearse the calculations and the 75-question format with timed practice, keep total spending well under about $200 including the exam fee, and spend money only on a structured course if self-study has already failed to reach the 50 target. Because the exam is one of the hardest CLEP papers and worth six credit hours, the investment in a review book and a practice bank is worth making early, and candidates should confirm their college’s policy on the lab requirement before spending anything, since many schools require a lab component in addition to the exam credit. Verify the current exam fee, which is about $97 plus a separate test-center administration fee. The practice bank is the component worth paying for first, because the exam’s distinctive combination-item style and the 75-question pace are only calibrated by timed practice, and the periodic-table and calculator interface is best rehearsed on practice software that mirrors it rather than on paper. Candidates who budget the review book, a practice bank and the exam fee together still land well under the cost of a single semester-hour of chemistry tuition, which is the whole point of the credit-by-exam path.
| Resource | Price | Format | Best for |
|---|---|---|---|
| College Board CLEP Chemistry page | Free | Official format and content outline | The authoritative syllabus and content weightings |
| The CLEP exam itself | ~$97 plus a test-center administration fee | Computer-delivered with a built-in TI-30XS and periodic table | Required — the credit-earning event |
| OpenStax Chemistry and Khan Academy | Free | Peer-reviewed textbook and video lessons | Building the content to a solid standard |
| CLEP practice-exam banks and review books | ~$10-60 | Online timed practice or printed book | Format calibration on the 75-question timing |
| Structured CLEP Chemistry courses | ~$50-150 | Video course with practice | Only if self-study has not reached the 50 target |
Prices approximate and dated to this review; the exam is offered year-round by appointment, and the test-center administration fee is separate from the about-$97 exam fee. We do not rank by commission.
Avoid these
What mistakes do candidates most often make?
The most common mistake on CLEP Chemistry is treating it like an AP or classroom exam and skipping format rehearsal, when the 75-question 90-minute pace and the combination-question style are as much of the challenge as the content. The second is over-weighting the calculation topics while neglecting structure of matter, when the two largest blocks are structure (20 percent) and states (19 percent) and the recall-heavy material dominates the paper. A third recurring error is studying without the on-screen calculator and periodic table, doing practice arithmetic by hand and then struggling with the built-in tools on test day. Candidates also routinely misjudge the combination-question style, answering on partial familiarity when those items demand full understanding of every listed statement. Another pattern is skipping experimental chemistry, treating the 9 percent block as optional, when the lab-technique items are finite and drillable. Finally, some students sit the exam without confirming their program’s credit policy and lab requirement, discovering that a 50 earns credit hours but not the lab component their degree requires, and a few never take a full timed practice exam, so the 90-minute stamina and the question volume surprise them on test day. A further recurring error is relying on memorised constants and equations that the provided periodic table and calculator would supply, wasting working memory on the day. A few also spread their preparation evenly across all nine topic blocks instead of weighting the two largest, which together are 39 percent of the paper, and then meet the structure-of-matter and states-of-matter items under-prepared.
✕Skipping format rehearsal
✓The 75-question 90-minute pace and the combination-question style are part of the exam. Take full timed practice exams until the format is familiar.
✕Over-weighting calculations
✓Structure of matter (20%) and states of matter (19%) are the largest blocks. Master the recall-heavy atomic, bonding and phase content before the calculation drills.
✕Studying without the built-in tools
✓The exam provides a TI-30XS and a periodic table in the software. Rehearse calculations with them, because the interface and the constants are part of the test.
✕Answering combination items on partial familiarity
✓Items that ask which numbered statements are correct demand full understanding of every statement. Read carefully and verify each one before choosing.
✕Skipping experimental chemistry
✓It is a finite 9 percent block of lab-technique items — titration, filtration, measurement — that a few focused hours can secure.
What you'll face
What question types will I see?
The CLEP Chemistry exam is approximately 75 multiple-choice questions answered in 90 minutes, scored on a 20-to-80 scale with the ACE credit-granting score at 50 for six semester hours of General Chemistry I and II. A TI-30XS MultiView scientific calculator and a periodic table are integrated into the exam software. The content is weighted across structure of matter (20 percent), states of matter (19 percent), descriptive chemistry (14 percent), reaction types (12 percent), equations and stoichiometry (10 percent), experimental chemistry (9 percent), equilibrium (7 percent), thermodynamics (5 percent) and kinetics (4 percent). The questions test three abilities — recall of facts and terminology, application of concepts to unfamiliar situations, and interpretation of data — and a distinctive share are combination items that present a numbered list of statements and ask which combination is correct. There is no penalty for guessing. The samples below are editor-written illustrations of the published question styles, not live exam items. Because the exam rewards breadth across a full year of general chemistry, candidates who drill the calculation types and the recall-heavy blocks and rehearse the combination-item style against a question bank find the paper predictable, and the balance between structure and states of matter (39 percent together) should shape the study plan more than any other single fact about the exam. The calculation items are weighted toward the setup as much as the arithmetic — candidates who practise recognising which equation applies to which situation, then use the on-screen calculator for the numbers, report that the quantitative half becomes routine — and the descriptive-chemistry block rewards spaced review of the periodic relationships rather than a single read-through, so building the recall blocks into the weekly schedule from week one pays off disproportionately on exam day.
Facts and terminology: electron configuration, periodic trends, lab techniques and descriptive-chemistry facts.
Applying concepts to unfamiliar situations and interpreting data, including the calculation items on stoichiometry, gas laws and equilibria.
A numbered list of statements with "which combination is correct" answer choices — I only, I and II, I, II and III — that punish partial understanding.
Mole conversions, gas laws, pH and equilibrium calculations, solved with the on-screen scientific calculator.
Try these
Q1Which of the following statements about the periodic table is correct? I. Electronegativity generally increases from left to right across a period. II. Atomic radius generally increases from top to bottom within a group. III. Ionization energy generally increases from top to bottom within a group.
Answer:B
Electronegativity generally increases from left to right across a period, so statement I is true. Atomic radius generally increases from top to bottom within a group as electron shells are added, so statement II is true. Ionization energy generally decreases from top to bottom within a group, because the outer electrons are farther from the nucleus and more shielded, so statement III is false — which makes B, I and II only, the correct combination. A omits the true statement II. C includes the false statement III and omits the true statement I. D includes the false statement III. This is the classic combination-item style: each statement must be verified independently, and partial familiarity with periodic trends is exactly what the format punishes.
Q2A sample of a gas occupies 2.0 L at a pressure of 1.0 atm and a temperature of 273 K. If the temperature is raised to 546 K while the pressure is held constant, what is the new volume?
Answer:C
At constant pressure, volume is proportional to absolute temperature by Charles’s law, V1/T1 = V2/T2, so V2 = V1 × (T2/T1) = 2.0 L × (546/273) = 2.0 × 2 = 4.0 L, which is option C. A, 1.0 L, would be the result of halving the volume, confusing the direction of the relationship. B, 2.0 L, is the starting volume, chosen by candidates who mis-read the temperature change as having no effect at constant pressure. D, 8.0 L, comes from doubling both the temperature and the volume incorrectly. This is the routine gas-law calculation type, and the on-screen calculator handles the arithmetic once the setup is correct.
Q3Consider the equilibrium 2 SO2(g) + O2(g) ⇌ 2 SO3(g), which is exothermic. How does increasing the pressure affect the equilibrium position?
Answer:A
By Le Châtelier’s principle, increasing the pressure shifts an equilibrium toward the side with fewer moles of gas. Here the reactant side has 3 moles of gas (2 SO2 + 1 O2) and the product side has 2 moles (2 SO3), so the equilibrium shifts toward the products — option A. B states the direction backwards. C is wrong because pressure changes do affect gaseous equilibria when the mole counts differ. D confuses pressure with temperature: the exothermic nature of the reaction matters for a temperature change, not a pressure change. This item tests the equilibrium reasoning that makes up part of the 7 percent equilibrium block, and candidates who memorise Le Châtelier’s principle but do not count the moles of gas miss it.
Samples are editor-written illustrations of the published blueprint, not live exam items.
The big day
What should I expect on exam day?
The CLEP Chemistry exam is a 90-minute, approximately 75-question computer-delivered test taken by appointment at a CLEP test center or through remote proctoring, with the score reported immediately on a 20-to-80 scale and the ACE credit-granting score at 50 for six semester hours of General Chemistry I and II. The first thing to confirm is your test-center administration fee, because CLEP charges about $97 for the exam plus a separate test-center fee that varies by location, and confirm your college’s credit policy and lab requirement so you know the score you need before you sit. Bring a valid government-issued photo ID matching your CLEP account name exactly, and leave phones, smartwatches, study materials and personal calculators at home — the exam provides a built-in TI-30XS MultiView scientific calculator and a periodic table in the software, and the center provides scratch paper. Arrive at least 30 minutes early so check-in and the tutorial are complete before the clock starts, and when the exam begins, work at a pace of just over a minute per question, sweeping the questions you know quickly and returning to the calculations and the combination items with the remaining time. Use the on-screen calculator for the arithmetic and the periodic table for constants and atomic masses rather than straining to memorise them, and read every combination item statement carefully, since those items reward full understanding. Your score appears on screen the moment you submit, and the official report posts to your CLEP account within a few business days, after which you order the score to your registrar if your school requires an official copy.
Bring
- Valid government-issued photo ID matching your CLEP account name exactly
- Your CLEP registration confirmation and scheduling details
- Payment for any test-center administration fee due at the site
- For remote proctoring: a compliant room, webcam, microphone and stable connection, pre-tested
Leave at home
- Phones, smartwatches and earbuds
- All notes and study materials — the center provides scratch paper
- Personal calculators of any kind — the TI-30XS and periodic table are built into the exam software
- Bags and coats beyond what the test center permits
How the day runs
Rules in the room
- The exam is approximately 75 multiple-choice questions in 90 minutes, scored on a 20-80 scale.
- The ACE credit-granting score is 50 for 6 semester hours (General Chemistry I and II); individual colleges set their own policies.
- A TI-30XS MultiView scientific calculator and a periodic table are built into the exam software; personal calculators are not permitted.
- There is no penalty for guessing — answer every question.
- The exam fee is about $97 plus a separate test-center administration fee.
- The score appears on screen immediately; the official report posts within a few business days.
Afterwards.Your score appears on screen the moment you submit and the official report posts to your CLEP account within a few business days, and a score of 50 or higher earns the ACE-recommended six semester hours of General Chemistry I and II credit — the largest single-exam credit award in the CLEP program — which most colleges accept under their own policies, some requiring a higher score and many requiring a lab component in addition, so the immediate next step is checking your program’s CLEP policy, the lab requirement, and ordering the score report to the registrar if an official copy is required. For a STEM-track student, those six credit hours replace a full year of general chemistry, which shortens time-to-degree and keeps pre-med, nursing and engineering-science students on schedule for the organic and analytical courses that follow. If you fell short of 50, the honest calculation is different from most CLEP exams: because this is one of the hardest CLEP papers and the gap is usually a content gap rather than a format issue, re-sit only after the practice scores genuinely clear the line, and seriously weigh the classroom course against a second attempt at the exam fee, noting that CLEP policy allows a retake after a waiting period (currently three months — confirm at the source).
Reference
What are the key facts about the CLEP Chemistry?
CLEP Chemistry is a exam credential; awarded by College Board; the exam fee is $97 (2025–26) + test-center fee.
| Credential | CLEP Chemistry |
|---|---|
| Type | Exam |
| Profession | Admissions & Academic Testing |
| Specialty | CLEP & Credit by Exam |
| Awarded by | College Board |
| Credit | ACE recommends ~6 semester hours at score 50 |
| Score scale | 20–80 scaled |
| Retake | 3-month wait; full fee each attempt |
| Tools | Periodic table and TI-30XS built in |
| Scope | National / Multi-state |
Real questions
Frequently asked questions about the CLEP Chemistry
How many credits does CLEP Chemistry grant?
ACE recommends about six semester hours for a score of 50, matching a year-long general chemistry sequence. Your college sets the exact credit and minimum.
Can I use a calculator?
Yes — an online TI-30XS scientific calculator and a periodic table are integrated into the exam software, available for the whole session.
Is there a lab component?
No hands-on lab. Some colleges that grant credit may still require their own lab course to complete the sequence.
Can I take it online?
Yes, via CLEP with Remote Proctoring or at a test center, reporting the same 20–80 scaled score.
Why do all four SAT Suite tests take the same 2 hours 14 minutes?
Since the digital transition every assessment in the suite uses the same blueprint: 54 Reading and Writing questions in two 32-minute modules and 44 Math questions in two 35-minute modules. Difficulty is calibrated to the grade band rather than by adding or removing time.
Can I take an SAT Suite test at home?
No. Unlike some other admissions tests, every College Board digital assessment must be taken in a supervised school or test centre, even though it runs on your own device.
How do fee waivers work?
US students in eleventh or twelfth grade who meet income eligibility get SAT fee waivers from their school counsellor. A waiver covers the registration fee, waives cancellation and late fees, and gives unlimited free score reports to colleges.
In short
Is the CLEP Chemistry worth it?
- Equivalent to a year of general chemistry
- ~75 questions in 90 minutes; score 50 for ~6 credits
- Built-in periodic table and scientific calculator
- Strong prep option for pre-health students
Same awarding body
What other credentials does College Board award?
Worth comparing
How does the CLEP Chemistry compare with similar credentials?
Trust
Where does this information come from?
Everything above is taken from the awarding body's own published material. Fees, question counts and domain weights are revised regularly — check the official page before you pay.
- College Board Awarding body
- Official CLEP Chemistry exam page Exam page
Research confidence: high · Last reviewed 2026-08
