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CLEP Prep/CLEP Chemistry
CLEP Exam

CLEP Chemistry Prep

Pass in 7 days with focused, exam-level practice. Save $1,200+ in tuition.

Pass Guarantee

Pass your CLEP exam or your money back — plus the retake fee.

We'll refund your full subscription and pay your official exam retake fee if you finish the program and still don't pass. No fine print, no hoops.

  • Complete ≥80% of your generated study plan
  • Take at least 3 full-length mock exams with a ≥75 average
  • Submit your exam score within 60 days of the exam date
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💰

$97

Exam Cost

⏱️

120 min

Time

🎓

3-6

Credits

✅

~50/80

Passing

What You'll Study

Unit 1: Atomic Structure and Periodicity

electron configurationperiodic trendsquantum numbersatomic orbitalsnuclear chemistry (alpha/beta/gamma decay, half-life)

🎓 Khan Academy — specific sub-units

→ Electron configurations · Aufbau, Hund's, Pauli→ Periodic trends→ Quantum numbers→ Nuclear chemistry (decay & half-life)

Unit 2: Chemical Bonding

ionic vs covalent bondsLewis structures and VSEPRmolecular polarityintermolecular forceshybridization (sp sp2 sp3)sigma vs pi bondsresonance structures

🎓 Khan Academy — specific sub-units

→ Lewis dot structures→ VSEPR & molecular geometry→ Hybridization (sp, sp2, sp3)→ Intermolecular forces→ Resonance structures

Unit 3: Reactions and Stoichiometry

balancing equationslimiting reagentsmole conversionsreaction typesorganic functional groupsisomerism (structural and stereo)

🎓 Khan Academy — specific sub-units

→ Balancing chemical equations→ Limiting reagent & stoichiometry→ Mole conversions→ Organic functional groups

Unit 4: States of Matter and Solutions

gas lawscolligative propertiessolution concentrationphase diagramskinetic-molecular theoryBoltzmann distributionRaoult's law

🎓 Khan Academy — specific sub-units

→ Ideal gas law→ Colligative properties→ Solution concentration (molarity)→ Phase diagrams→ Kinetic-molecular theory

Unit 5: Thermodynamics and Kinetics

enthalpy and Hess's lawentropy and Gibbs free energyrate lawsequilibrium and Le Chatelier's

🎓 Khan Academy — specific sub-units

→ Enthalpy & Hess's law→ Gibbs free energy & spontaneity→ Rate laws & integrated kinetics→ Equilibrium & Le Chatelier

About these external resources

Links below point to publicly available third-party study materials (Khan Academy, YouTube creators, Modern States, OpenStax, College Board, etc.). PrepLion does not own, host, or modify this content. We list links as a study aid only — each resource is the property of its respective owner and is subject to their terms of service.

All trademarks, course names, logos, and content remain the property of their respective owners. Khan Academy®, YouTube™, Modern States®, OpenStax®, and CLEP® are trademarks of their respective holders. PrepLion is not affiliated with, endorsed by, or sponsored by any of them. If you are a content owner and would like a link removed, contact contact@preplion.ai.

Linked content may be removed, paywalled, or changed by its owner at any time. We make no warranty as to its accuracy, availability, or suitability for any exam.

Study Guide

Topics, formulas, and key concepts

Flashcards

Spaced-repetition deck

Practice Test

Full-length timed exam

Before you start studying

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Free Resources We Recommend

The best free materials for CLEP Chemistry. No affiliation, no kickback — just what actually works.

Modern States: Chemistry

Modern States (College Board partner)

Free full video course. Earn the free CLEP voucher after 70% completion.

OpenStax: Chemistry 2e

OpenStax (free, peer-reviewed)

General chemistry — stoichiometry, thermodynamics, equilibrium.

Khan Academy: Chemistry

Khan Academy

Full gen chem — atoms, bonding, reactions, equilibrium.

YouTube: CrashCourse

YouTube

Fast-paced 10-min videos on each topic.

Khan Academy AP Chemistry (full course)

Khan Academy (student-endorsed)

Recent passers report Khan AP Chem 'carried' their prep. AP Chem questions are HARDER than CLEP — if you can do Khan, you're in great shape. ~85% of the CLEP is conceptual, not calculation-heavy.

Official CLEP practice questions

College Board (gold standard)

Slightly easier than the real exam but the most representative resource — directly from CB. Use as your final-week confidence check.

Links open in a new tab. PrepLion has no affiliation with these providers — we just think they're the best free options.

Course Notes

- OpenStax Chemistry 2e (openstax.org/books/chemistry-2e): CC BY 4.0 - Khan Academy Chemistry (khanacademy.org/science/chemistry) - LibreTexts Chemistry (chem.libretexts.org)

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CLEP® is a registered trademark of College Board, which is not affiliated with PrepLion. All practice questions are original content.