- Passing score is 240; you have 125 selected-response questions in 3 hours 45 minutes of testing time.
- Energy and Chemical Bonding plus Chemical Reactions together make up 46% of the exam.
- The exam fee is $106, and a periodic table, formula sheet, and on-screen calculator are all provided.
- Unscored field-test items may appear, so don't panic over one strange-feeling question.
Exam Snapshot: The Numbers You Must Know
Before you review a single competency, memorize the logistics. TX PACT: Chemistry: Grades 7-12 (740) is a Texas Education Agency Pre-Admission Content Test, administered by Pearson Evaluation Systems as a computer-administered exam at Texas and nationwide test sites. Knowing the structure cold removes anxiety on test day and lets you spend your mental energy on chemistry, not logistics.
- Exam fee: $106
- Question count: 125 selected-response questions
- Testing time: 3 hours 45 minutes of actual testing, inside a 4-hour total appointment (the remaining 15 minutes covers the CAT tutorial and compliance agreement)
- Passing score: 240 on the scaled score
- Content coverage: Grades 7-12 chemistry, organized into five domains and 17 competencies
Some of the 125 items are unscored field-test questions used to evaluate future forms of the exam. You won't know which ones they are, and your final scaled score is calculated only from scored items - so treat every question as if it counts, but don't let one oddly-phrased item derail your confidence. For a deeper walkthrough of how this scoring mechanic works, see the full TX PACT 740 Passing Score 2026 guide.
Domain Breakdown at a Glance
TX PACT 740 organizes grades 7-12 chemistry content into five domains. Use this table as your quick-reference weighting chart when deciding how many practice hours to assign each area.
| Domain | Weight | Core Focus |
|---|---|---|
| 1. Nature of Science | 18% | Scientific method, lab safety, measurement, data analysis |
| 2. Matter and Atomic Structure | 18% | Atomic theory, periodicity, electron configuration |
| 3. Energy and Chemical Bonding | 23% | Thermodynamics, calorimetry, bonding, intermolecular forces, nomenclature, geometry |
| 4. Chemical Reactions | 23% | Reaction types, rates, equilibrium, acid-base chemistry, redox/electrochemistry |
| 5. Stoichiometry and Solutions | 18% | Mole calculations, molarity, solution behavior, gas laws |
For the full competency-level breakdown inside each of these five domains, bookmark the TX PACT 740 Exam Domains 2026 guide - it's the natural companion to this cheat sheet.
The Two Domains That Decide Your Score
Domains 3 and 4 - Energy and Chemical Bonding and Chemical Reactions - each carry 23% of the exam, which means together they account for 46% of your total score. Nearly half the test lives in these two domains, so your review time should reflect that weight, not just an even split across five topics.
Domain 3: Energy and Chemical Bonding (23%)
Candidates must be fluent in thermodynamics and calorimetry calculations, as well as how bonding type predicts physical and chemical behavior.
- Thermodynamics and calorimetry (specific heat, enthalpy, energy diagrams)
- Bonding types and intermolecular forces (ionic, covalent, metallic, hydrogen bonding, dipole interactions)
- IUPAC nomenclature for ionic and molecular compounds
- Molecular geometry and VSEPR-based predictions
Domain 4: Chemical Reactions (23%)
This domain tests your ability to classify reactions, predict rates, and work through equilibrium and acid-base scenarios quantitatively.
- Reaction types (synthesis, decomposition, single/double displacement, combustion)
- Reaction rates and factors affecting kinetics
- Equilibrium and Le Chatelier's principle
- Acid-base chemistry and titration calculations
- Oxidation-reduction and electrochemistry
Key Takeaway
If your study time is limited, prioritize thermodynamics/calorimetry, bonding and IUPAC nomenclature, equilibrium, and titration calculations first - these topics anchor the two heaviest domains and appear across multiple competencies.
What's Provided On Screen (And What Isn't)
One detail that trips up first-time test-takers: you don't need to memorize everything. TX PACT 740 provides several reference tools directly within the testing interface.
- A periodic table - available on screen throughout the test
- A constants and formulas page - covers key equations so you don't need to memorize every formula from scratch
- An on-screen scientific calculator - built into the CAT interface
This changes how you should study. Instead of drilling formula memorization, spend your practice time learning when to apply each formula and how to plug in values correctly under time pressure - that's the skill the exam actually tests. If you're unsure how difficult this makes the exam compared to memorization-heavy tests, the How Hard Is the TX PACT 740 Exam? guide breaks this down in detail.
Question Format and Pacing Math
All 125 questions are selected-response - no written or constructed-response items. With 3 hours 45 minutes of testing time for 125 questions, you have roughly 1.8 minutes per question on average, though calculation-heavy items in Domains 4 and 5 will naturally eat more time than conceptual recall items in Domains 1 and 2.
- Budget extra time for titration, equilibrium, and stoichiometry problems that require multi-step math.
- Move faster through nature-of-science and atomic-structure recall questions to bank time for calculations later.
- Flag and skip any question that stalls you for more than two minutes; return to it after finishing a full pass.
- Remember that some questions are unscored field-test items - don't let a confusing question consume disproportionate time or confidence.
Practicing full-length, timed question sets is the single best way to internalize this pacing. The TX PACT 740 practice test platform lets you rehearse under realistic timing before your real appointment.
Who Actually Takes TX PACT 740
TX PACT 740 exists specifically for candidates who hold a bachelor's degree and have not yet been admitted to a Texas-approved educator preparation program. Passing it demonstrates content mastery required for EPP admission - it's a gateway exam, not a stand-alone teaching credential by itself. That distinction matters when you're mapping out your path into a chemistry classroom.
Because PACT exams taken for EPP admission purposes aren't subject to the standard five-attempt certification test limit, candidates generally have more flexibility here than with certification-stage exams - though the intensive pre-service route does cap attempts at five, with a mandatory 30-day wait between sittings. If you're weighing whether this path fits your career plans, the Is the TX PACT 740 Certification Worth It? ROI analysis and the TX PACT 740 Jobs guide are worth reading alongside this cheat sheet.
Key Takeaway
Because this is an EPP-admission test rather than a final certification exam, treat a strong first attempt as valuable but not irreplaceable - confirm your specific attempt limits with your EPP before test day.
Final-Week Review Plan
In the last stretch before your appointment, structure your review around domain weight rather than alphabetical order or textbook chapter sequence. Here's a compressed plan built around the actual TX PACT 740 domain percentages.
Energy and Chemical Bonding (23%)
- Rework thermodynamics and calorimetry problems from memory
- Drill IUPAC nomenclature and molecular geometry flashcards
- Review intermolecular force comparisons (dispersion vs. dipole vs. hydrogen bonding)
Chemical Reactions (23%)
- Practice balancing and classifying reaction types
- Work equilibrium and Le Chatelier's principle scenario questions
- Run full titration and redox/electrochemistry calculation sets
Matter, Atomic Structure & Stoichiometry (18% each)
- Review periodicity trends and electron configuration shortcuts
- Redo mole-conversion and molarity problems using the on-screen calculator format
Nature of Science (18%) & Weak Spots
- Review lab safety, experimental design, and data-analysis conventions
- Revisit any competency that scored lowest on practice sets
Full Simulation
- Take one complete timed practice test under real 3:45 conditions
- Review missed items by domain, not just by question number
For a longer-horizon version of this plan spread across multiple weeks, the TX PACT 740 Study Guide 2026 walks through a fuller first-attempt strategy. And once you've locked in your review schedule, make sure your test date lines up with registration deadlines - details are in the TX PACT 740 Exam Dates 2026 guide.
Frequently Asked Questions
There are 125 selected-response questions. Your total appointment is 4 hours, made up of 15 minutes for the tutorial and compliance agreement plus 3 hours and 45 minutes of actual testing time.
You need a scaled score of 240. This score is calculated only from scored questions - any unscored field-test items included in your form don't count toward it.
No. A periodic table, a constants and formulas page, and an on-screen scientific calculator are all provided within the exam interface. Focus your studying on applying formulas correctly rather than memorizing them.
Energy and Chemical Bonding and Chemical Reactions each make up 23% of the exam, totaling 46% combined - the largest share of any two domains. Prioritize thermodynamics, bonding, equilibrium, and acid-base/titration content first.
PACT exams taken for EPP admission are not subject to the standard five-attempt certification test limit, but candidates on the intensive pre-service route are limited to five attempts, with a required 30-day wait between attempts. Confirm your specific situation with your EPP.