- TX PACT 740 is the Pre-Admission Content Test for Chemistry, grades 7-12, run by the Texas Education Agency.
- It has 125 selected-response questions in a 4-hour computer-administered appointment at Pearson sites.
- Energy and Chemical Bonding and Chemical Reactions each carry 23% weight - 46% of the exam combined.
- PACT exists so candidates with a bachelor's degree can prove content mastery before entering a Texas EPP.
What TX PACT 740 Actually Means
TX PACT 740 refers to the Texas Education Agency Pre-Admission Content Test for Chemistry: Grades 7-12, identified by code 740 within the broader PACT (Pre-Admission Content Test) family. The "TX PACT" part signals that this is a Texas-specific instrument, and "740" is simply the numeric designation Pearson Evaluation Systems assigns to the chemistry-specific version of the test. Unlike a generic content exam, TX PACT 740 exists for a narrow purpose: proving that someone who wants to become a secondary chemistry teacher already knows the subject matter before a Texas-approved educator preparation program (EPP) will admit them.
Because "TX PACT 740" as a label can be confused with other credentials that share similar naming patterns, it's worth being precise here: this article is exclusively about the Pearson-administered, TEA-governed chemistry test covering grades 7-12 content. If you've landed on this page while researching admission requirements for a Texas EPP, you're in the right place. For a broader definitional overview, see What Is TX PACT 740? and TX PACT 740 Meaning.
Who Takes This Exam and Why
PACT tests, including TX PACT 740, are designed for candidates who already hold a bachelor's degree but have never been admitted into a Texas-approved EPP. Rather than requiring coursework transcripts alone, TEA allows these candidates to sit for a content exam that verifies subject-matter readiness directly. If you pass, that score becomes part of your admission packet to an EPP, which then leads toward standard certification testing later in the pipeline.
This matters because it changes how you should think about the exam's stakes. TX PACT 740 isn't the final certification hurdle - it's a gateway exam. Passing it opens the door to formal teacher preparation; it doesn't by itself make you a certified teacher. For a full rundown of who qualifies and what documentation is expected, see TX PACT 740 Requirements 2026: Eligibility, Prerequisites & How to Qualify.
People typically pursue this route when they have a science degree (chemistry, biochemistry, biology with a chemistry emphasis, or a related field) but did not go through a traditional teacher-prep track as undergraduates. Career-changers moving from industry or lab work into secondary education are common candidates, since TX PACT 740 lets them lean on prior subject knowledge rather than starting a degree over.
Key Takeaway
If you already have a bachelor's degree and haven't entered a Texas EPP, TX PACT 740 is the mechanism for proving chemistry content mastery so you can be admitted - treat it as an admission gate, not a finish line.
Exam Format and What Happens on Test Day
TX PACT 740 is administered as a computer-administered test (CAT) at Pearson-run testing centers throughout Texas and at additional sites nationwide. Your total appointment runs 4 hours, broken into two parts:
- 15 minutes for the CAT tutorial and the compliance/nondisclosure agreement.
- 3 hours and 45 minutes of actual testing time.
During the test, you'll answer 125 selected-response questions spanning grades 7-12 chemistry content. Some of those questions may be unscored field-test items used to evaluate future exam content - you won't be told which ones, and your final scaled score is calculated using only the scored questions, so there's no benefit to guessing which items don't count.
Several tools are built into the testing interface to support you:
- An on-screen periodic table
- A constants and formulas reference page
- An on-screen scientific calculator
These resources mean you don't need to memorize every constant or formula cold - but you do need to know when and how to apply them quickly, since testing time is fixed. A deeper breakdown of what makes the format challenging (and what doesn't) is available in How Hard Is the TX PACT 740 Exam? Complete Difficulty Guide 2026.
The Five Domains Behind the Number
The "740" designation covers five content domains, further broken into 17 competencies. Understanding the weighting is essential because it tells you exactly where to invest study hours.
| Domain | Weight |
|---|---|
| Domain 1: Nature of Science | 18% |
| Domain 2: Matter and Atomic Structure | 18% |
| Domain 3: Energy and Chemical Bonding | 23% |
| Domain 4: Chemical Reactions | 23% |
| Domain 5: Stoichiometry and Solutions | 18% |
Domains 3 and 4 - Energy and Chemical Bonding, and Chemical Reactions - together make up 46% of the exam, nearly half the total content. That's a meaningful signal: these two domains carry more combined weight than any other pairing on the test.
Domain 3: Energy and Chemical Bonding (23%)
This domain covers thermodynamics and calorimetry, bonding and intermolecular forces, and IUPAC nomenclature paired with molecular geometry.
- Enthalpy, entropy, and calorimetry calculations
- Ionic, covalent, and metallic bonding plus intermolecular forces
- Naming compounds and predicting molecular shapes (VSEPR)
Domain 4: Chemical Reactions (23%)
This domain covers reaction types and rates, equilibrium and Le Chatelier's principle, acid-base chemistry and titration, and oxidation-reduction and electrochemistry.
- Classifying reaction types and calculating rates
- Applying Le Chatelier's principle to shifting equilibria
- Acid-base titration curves and electrochemical cell calculations
The remaining three domains - Nature of Science, Matter and Atomic Structure, and Stoichiometry and Solutions - each carry 18%, which still adds up to a substantial 54% of the exam collectively. Don't let the emphasis on Domains 3 and 4 tempt you into neglecting the others. For a competency-by-competency walkthrough of all five areas, see TX PACT 740 Exam Domains 2026: Complete Guide to All 5 Content Areas.
Key Takeaway
Because Energy and Chemical Bonding plus Chemical Reactions account for 46% of the exam, prioritize thermodynamics, bonding, equilibrium, acid-base chemistry, and electrochemistry in your review schedule.
Registration, Fees, and Attempt Rules
Registering for TX PACT 740 involves scheduling a computer-administered appointment through Pearson, either at a Texas testing site or one of the nationwide locations. The exam fee is $106. Because PACT is an admission tool rather than a certification exam, its attempt rules differ from standard Texas certification tests:
- PACT exams taken for EPP admission purposes are not subject to the five-attempt certification test limit that applies to standard certification exams.
- Candidates testing through the intensive pre-service route are limited to five attempts.
- A 30-day waiting period applies between attempts regardless of pathway.
This distinction is one of the more commonly misunderstood aspects of the credential - many candidates assume every Texas educator exam has the same retake ceiling, but PACT's purpose (proving readiness for EPP admission) changes the rules that apply. For a complete cost breakdown including fee mechanics, see TX PACT 740 Certification Cost 2026: Complete Pricing Breakdown, and for scheduling windows and deadlines, check TX PACT 740 Exam Dates 2026: Testing Windows, Deadlines & Scheduling.
How the 240 Passing Score Works
TX PACT 740 uses a scaled scoring system, and the passing score is 240. Your raw number of correct answers on scored questions is converted to this scale - remember that unscored field-test items don't factor into your result at all, even though you can't distinguish them from scored items during the test.
Because the score is scaled rather than a simple percentage, it's difficult to translate "240" into a precise raw-question target without official conversion tables. What you can control is your domain-by-domain readiness, particularly in the two 23%-weighted domains, since strength there has an outsized influence on your overall performance. A dedicated explanation of scaled scoring and what 240 represents in practice is available in TX PACT 740 Passing Score 2026: Exactly What You Need to Pass.
Turning "What It Means" Into a Study Plan
Once you understand what TX PACT 740 measures and how it's weighted, the practical next question is how to prepare efficiently. A short, structured timeline that mirrors the domain weighting tends to work better than generic review methods, because it directs your limited hours toward the content that actually decides your score.
Energy and Chemical Bonding, Chemical Reactions
- Work through thermodynamics, calorimetry, and bonding/IMF concepts
- Practice IUPAC nomenclature and molecular geometry predictions
- Drill reaction types, rates, equilibrium shifts, titration, and redox/electrochemistry
Matter and Atomic Structure, Stoichiometry and Solutions
- Review atomic models, periodic trends, and quantum concepts
- Practice mole conversions, limiting reactants, and solution concentration problems
Nature of Science and Full Timed Practice
- Cover scientific method, lab safety, and data interpretation questions
- Take full-length timed practice sets to build pacing under the ~2-minutes-per-question constraint
- Use the on-screen periodic table and formula sheet during practice so they feel familiar on test day
This weighting-first approach is the core idea behind a longer walkthrough in TX PACT 740 Study Guide 2026: How to Pass on Your First Attempt, which expands each week into specific practice tasks. If you'd rather review core facts in one sitting before test day, the condensed reference in TX PACT 740 Cheat Sheet 2026: One-Page Review of Must-Know Facts can help reinforce the highest-weight competencies quickly.
Running full-length, timed practice questions modeled on the actual 125-question, selected-response format is one of the most reliable ways to internalize both the content and the pacing demands. You can start building that habit now with realistic practice questions on the main practice test site.
Beyond the Test: What Comes Next
Passing TX PACT 740 gets you admitted into a Texas EPP, but it's worth understanding the fuller picture before you commit study hours. Some candidates want to know whether the investment of time and the $106 fee pays off relative to their career goals - that question is explored in Is the TX PACT 740 Certification Worth It? Complete ROI Analysis 2026. Others want a sense of how candidates generally perform, which is covered qualitatively in TX PACT 740 Pass Rate 2026: What the Data Shows. And if you're weighing what a chemistry teaching credential can lead to afterward, TX PACT 740 Jobs and TX PACT 740 Salary Guide 2026: Complete Earnings Analysis lay out the landscape.
You can also practice under realistic conditions before committing to an official appointment - working through sample question sets on the practice test platform is a low-stakes way to gauge your current standing against the 23%-weighted domains before you schedule with Pearson.
FAQ
No. TX PACT 740 is an admission tool used to get into a Texas educator preparation program. It demonstrates content mastery before you enter an EPP; it is not the same as the certification exams taken later in the pipeline.
There are 125 selected-response questions, and your total appointment is 4 hours, made up of 15 minutes for the tutorial and agreement plus 3 hours and 45 minutes of testing time.
The passing score is 240 on the exam's scaled scoring system, calculated only from scored questions since some field-test items are unscored.
Energy and Chemical Bonding and Chemical Reactions each carry 23% weight, together making up 46% of the exam, so they deserve the largest share of your study time - though the other three domains still total 54% combined.
PACT exams taken for EPP admission are not subject to the standard five-attempt certification limit. However, candidates testing through the intensive pre-service route are capped at five attempts, and a 30-day wait is required between any attempts.